It also conveniently makes a CSRF vulnerability easier to exploit. Security by blacklisting is a bad idea. The JWT ecosystem (or JOSE ecosystem to be exact) offers a lot of other machinery beyond just having a key ID for key rotation like JWK and OpenID Connect discovery, but there's nothing preventing you from using the same discovery mechanisms with Macaroons. There's no mystery to what an app. Use a nounfor the resource name (i.e. CyberWatch is a modern assessment solution that can be utilized by various industries for cyber security and compliance risk assessments. Sure this is a weakness in the JWT spec, but the real underlying issue is dev's not understanding the security mechanisms and libraries they are deploying. https://example/api/v1/users/123/delete/. [1] https://stackoverflow.com/questions/549/the-definitive-guide... You can learn and run automated tools for 6 months and end up knowing 1/3rd of what a great pentester knows. Lol. You could just generate random session IDs (UUIDs or 128-bit base64 strings) and store them in your database or in a persistent cache like Redis. Some even use test management tools like HP ALM to document their test cases. Load Testing. And one system can issue authorizations that another system can consume without direct communication between the two. An API security checklist should include penetration testing and fuzz testing in order to validate encryption methodologies and authorization checks for resource access. Use an alternative format that doesn't provide all the features of JWT, but provides better security: Fernet or Macaroons. >> Finally: don't use JWT. Did I just access someone else's account? I'd say that the biggest difference between JWT and Macaroons is that Macaroons are on one hand simpler than JWT (only one algorithm allowed) and on the other a lot more flexible. !, you're just setting yourself up for an auth bug in a hastily submitted pull request at 4 pm on a Friday afternoon, when someone is lethargic and ready to head out for the weekend. Further, the list succumbs to the cardinal sin of software security advice: "validate input so you don't have X, Y, and Z vulnerabilities". Hackers that exploit authentication vulnerabilities can impersonate other users and access sensitive data. A few are open-source while a few are open-source and free. 2.0 API Risk Assessment SoapUI. Much better to have a single endpoint which does nothing except validate opaque requests and passes them upstream. Backing to the point, it's not really a benefit of JWT, but commonly related to tokens that you store on LocalStorage, even though they're subject to XSS, as opposed to cookies w/ HttpOnly flag -- and then we go again to discuss how this flag only passes a 'false sense of security' because if you have a XSS, you already have lots of trouble. application/xml , application/json … etc) and respond with 406 Not Acceptable response if not matched. Knowing the basics of API testing will help you, both now and in an AI-driven API future. You could have secure JWT implementations and flawed stateful session implementations. In case of a standalone app that would be just an extra meaningless step. A title will help you identify your checklist especially if you have a lot of checklists. > Don't use auto increment id's use UUID instead. Tips for Creating a Checklist. API Security Checklist Authentication. JWTs can be easily used to replace session tokens while Macaroons work best when you've got your entire architecture designed with them in mind. Organizations that invest time and resources assessing the operational readiness of their applications before launch have … Of course this flexibility has a price: if using third party caveats (another unique aspect of Macaroons) all services must use the same caveat language. Granted, this is a semantic difference, but if you treat the alg field as such it then becomes the servers choice of what algorithms to support. Generic For All web pages which carry confidential data like password, Secret answer for security question should be submitted via HTTPS(SSL). I think this is an interesting security consideration but I would prefer implicit identity for the following reasons: Let's say you are the user 654321. I like to use Basic Auth for API's with clientid/secret pairs. It is a functional testing tool specifically designed for API testing. As a security standard, it is a series of own-goals foreseeable even 10 years ago based on the history of crypto standard vulnerabilities. As we move towards more Agile shift-left software development processes like continuous integration and delivery, the need to quickly give test feedback to our developers is increasing. > User own resource id should be avoided. Assumptions being my authed hash algo is acceptable, my "id" value embeds a creation time that I expire in a few hours, and nothing can be gleaned from the "id" itself. no JWT but "simple bearer token" is not a good advice as I have no idea how to implement that. I disagree. My MO has been to know and understand the standard, what it provides (e.g. Having read a bit into the topic, I'd +1 avoiding JWT. It seems like it would be a lot of work to implement the suggestions here. JWT might be the one case in all of practical computing where you might be better off rolling your own crypto token standard than adopting the existing standard. JWT, on ther other hand, usually is stored on LocalStorage and requires some development changes on the JavaScript framework because it needs to read from LocalStorage, capture the JWT and send it in every request. Stuff like that. Application Security. >> It's important to know that JWT does not provide encryption, which means anyone who has access to the token can read its contents. AFAIK LocalStorage is disabled when cookies are disabled. This is never a feature; it's only ever an invitation to horrible vulnerabilities. Sep 30, 2019. (This is in addition to what 'lvh and 'tptacek have said already.). Most people are saved only because they don't have an active or competent adversary. As a security standard, it is a series of own-goals foreseeable even 10 years ago based on the history of crypto standard vulnerabilities. TBH, I don't see any issue if /me/ would be a redirect or an alias for /user/654321/. Tweet; As I talk to customers around the world about securing their applications I've noticed a specific topic keeps coming up more and more often: Securing their APIs - both public and internal varieties. This is really surprising to me. With a solid API security testing checklist in place, security testing can identify all possible loopholes and API weaknesses that can potentially result in a loss of information, revenue and reputation. 3. Thus, making your APIs more secure and safe from the most common attacks. CSRF controls are more likely to be provided out of the box by a framework. Almost every application I've seen that uses JWT would be better off with simple bearer tokens. Take a look at API security tools and gateways. The software enables you to reduce exposure to liability, manage risk, monitor and maintain cyber security, and track continuous improvement. My previous company shut down a few servers thanks to JWT. Below are a few of the main methodologies that are out there. Make the items on your checklist clear and concise. This is a simple checklist designed to identify and document the existence and status for a recommended basic set of cyber security controls (policies, standards, and procedures) for an organization. Yes, if you're a supervisor or parent account or something like that. Web Application Security Testing Methodologies. framework and the whole play framework community suggests to use JWT for authentications as Play! Network Security and Enterpise Network Design, Network Security and Mobile Malware Analysis, © Hydrasky 2017. With an emphasis on time-bound delivery and customized solutions, we excel at helping our partners manage the quality of their deliverables while keeping costs low. This has absolutely nothing to do with security. Introduction to Network Security Audit Checklist: Network Security Audit Checklist - Process Street This Process Street network security audit checklist is engineered to be used to assist a risk manager or equivalent IT professional in assessing a network for security vulnerabilities. Certified Secure Web Application Security Test Checklist About Certified Secure exists to encourage and fulfill the growing interest in IT security knowledge and skills. which is a one stop shop for your software testing news. There's some OK stuff here, but the list on the whole isn't very coherent. '&l='+l:'';j.async=true;j.src= With this approach, cookies should be thought more as a mechanism for storing and presenting session data, not as security mechanism. say a family/corp account with an administrator that can do something for different users), it falls apart. 1. This isn't the first time I heard this claim, but I've also read that vulnerabilities were related to libraries and implementations, not the standard itself. No application anyone on HN is deploying needs user-selectable cryptography. (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': Make security testing a continuous process and an integral part of the entire app development cycle. I don't bookmark many links but here's [1] a good one for all to keep on a similar topic. API stands for — Application programming interface. I'm using these mechanisms already with a variety of other non-JWT implementations. This is a very common activity that is performed by every QA team to determine whether they have everything they need to proceed into the test execution phase. A familiar form of that would be a session cookie whose content was generated by a cryptographic random number generator. Unfortunately, a lot of APIs are not tested to meet the security criteria, that means the API you are using may not be secure. Web developers in general are more familiar with other forms of authentication so unless you have a strong reason for picking TLS client certificates I would suggest picking something else. Yeah, in my experience a lack of centralized authorization checks is one of the most sinister issues in typical API construction. I generally agree with your conclusions, but I don't understand why you compare JWT to cookies. Let’s Start with Who am I. That is bad news no matter what tech they are using. The ISO 27001 standard is an internationally-recognized set of guidelines that focuses on information security and provides a framework for the Information Security Management System (ISMS). /customers/{id}). If I want to limit Let's Encrypt's client's access to just _acme-challenge.example.com I could take the Macaroon from DNS provider that has complete access and limit it to "_acme-challenge" and TXT records only. The guy forgets the main thing here: length, type and range checks! Web Application Hacker’s Handbook Testing Checklist a well-constructed API security strategy, educate you on how potential hackers can try to compromise your APIs, the apps or your back-end infrastructure, and provide a framework for using the right tools to create an API architecture that allows for maximum access, but with greatest amount of security. It's easy to create scans, so security testing can easily be accomplished by both testers and developers on your team. The only difference between NaCl secretbox and Fernet is that the latter includes a timestamp - which you can easily add on your own. [0]: https://auth0.com/blog/critical-vulnerabilities-in-json-web-... Why not? use the NaCl/libosodium primitives. Don’t use auto increment id’s use UUID instead. Limit requests (Throttling) to avoid DDoS / Bruteforce attacks. What about the support rep, who needs to look at the customer's orders? What would they do with it? I think this is a rather special usecase, this makes sense with inhouse applications where something like this might be common, but probably not something you want on the public api of a shop. If I'm not mistaken Twilio does this too for their API. Checklist for Testing of Web Application Web Testing in simple terms is checking your web application for potential bugs be-fore its made live or before code is moved into the production environment. Sometimes I feel like they are aimed at different problems, JWT to replace opaque tokens with stateless ones (but if you want instant revocation it becomes a problem) and Macaroons for delegated access. Use /me/orders instead of /user/654321/orders. What is Security Testing? Checklist for Testing of Web Application Web Testing in simple terms is checking your web application for potential bugs be-fore its made live or before code is moved into the production environment. The RC of API Security Top-10 List was published during OWASP Global AppSec Amsterdam . So what's your point, that there are edge-cases in RESTful design? https://api.example.com/customers) is to uniquely identify a specific resource. Make token expiration (TTL, RTTL) as short as possible. 1. Quota , Spike Arrest , or Concurrent Rate Limit ) and deploy APIs resources dynamically. That way you can check them and refuse requests that present invalid tokens without doing any I/O. Many APIs have a certain limit set up by the provider. > - No built in mechanism to support key rotation (like JWT header kid). Is it just JWT itself is bad or how developers use it is bad? digital games store, and you want to have kids accounts which can be reviewed by their parents' ? Macaroons have identifier field. Access the OWASP ASVS 4.0 controls checklist spreadsheet (xlsx) here. 2. Almost every application I've seen that uses JWT would be better off with simple bearer tokens. Cookie expiration is basically worthless. If you don't set up centralized auth checks and instead prescribe !! Force algorithm in the backend (HS256 or RS256). Server Side Validation for form. We wanted a tool that could take the basic information needed for a request, put it all together and send it to our other tools for security testing. Using stateful authentication is even simpler. Don’t store sensitive data in the JWT payload, it can be decoded easily. which is a one stop shop for your software testing news. The defender must get 1,000 things right, the attacker only needs you to mess up one thing. Programming in a language with automatic range and type checks does not mean that you can forego vigilance even with the most mundane overflow scenarios: lots of stuff is being handled outside of the "safe" realm or by outside libraries. Given we're talking about APIs, we avoid many of the UX problems, but it feels like taking on a different set of problems than just using a bearer token. There are many ways to secure an API security architecture, but here are a few ways to put this in place via a trusted API Gateway: Security assessments in general, and certainly web security assessments, are nearly as much art as science, so everyone has their own favorite method. https://github.com/fernet/spec/blob/master/Spec.md Whether you're storing your sessions in a database or cryptographically signing them you should always add your own expiration mechanism. Accessibility Resources for Developers, Document Authors, and Contractors. The session cookie is an index into a database that indicates the properties and authorities that that particular session does or does not have. - If it has a vulnerability, just update to patch it ... instead of fixing your customized algorithm. j=d.createElement(s),dl=l!='dataLayer'? Roll your own crypto. Download Test Case Template(.xls) Allow me to clarify what I meant by Cookies and JWT in the explanation above: I was referring to Cookies as the default storage for stateful session mechanism used by web frameworks that makes use of a random session ID with high entropy. Free Checklist: 10 Steps to Start API Testing Quality end-user experience is contingent upon testing APIs right from the start. /customers/ or /c… Good luck with that. You'll need to implement claim validation and expiry validation all by yourself. Just a noob question. Just recently I was thinking that it would be nice if my DNS provider used Macaroons for API access. Click Below to download Test Case XLS . You'll need to roll your own. You can't rely on cookie expiry date for instance - if someone steals that cookie, they can completely disregard expiry, HttpOnly, Secure, Domain or whatever other property you stick to the cookie. And I've seen pretty wonky reasons (relatively speaking) for not wanting it ("it would take a lot of refactoring", or "that presents a single point of failure"). Consequently, businesses need guidelines to ensure their API deployments do not create security problems. The code is going to get committed, then pushed to production after three people write a quick "LGTM!" With that, we built the following list as a compilation of OWASP code review, strong components of other lists, and added a few of our own. When developers work with APIs, they focus on one small set of services with the goal of making that feature set as robust as possible. Dont’t use Basic Auth Use standard authentication(e.g. Validate User input to avoid common vulnerabilities (e.g. Recognize the risks of APIs. Was going to ask the same question. Security testers should use this checklist when performing a remote security test of a web application. Interesting, I didn't realize that. I'm not that familiar with TLS client certificates so I'm not qualified to say, but if you consider other developers as your users, then the UX problem remains. If you want to know that you followed best practices so as to achieve CYA when something bad happens, that's a different story. If the main input to the security of your application comes from having a penetration test, you're going to have a bad time. This is never a feature; it's only ever an invitation to horrible vulnerabilities. With an emphasis on time-bound delivery and customized solutions, we excel at helping our partners manage the quality of their deliverables while keeping costs low. - Saying 'more secure' or 'less secure' depends on how it is implemented. There's no mystery to what an app. createCustomer) to make it resource-oriented. With SoapUI Pro, it's easy to add security scans to your new or existing functional tests with just a click. The template chosen for your project depends on your test policy. You don't need to look far - it's JWT libraries that could be fooled into accepting public key as a symmetric key [0] so even if you fix the noop bug you are still vulnerable. Therefore, having an API security testing checklist in place is a necessary component to protect your assets. For example you can sign session IDs or API tokens when you issue them. Here at Pivot Point Security, ... Download ISO 27001 Checklist PDF or Download ISO 27001 Checklist XLS. getting someone in the early phases of development to provide security architecture advice is probably more important. Azure provides a suite of infrastructure services that you can use to deploy your applications. OWASP API Security Top 10 2019 stable version release. Using it correctly is harder than rolling your own stupid simple bearer token, which is very rare for standards. QASource exists to help organizations like yours enjoy the benefits of a full QA department without the associated setup cost and hassle. Therefore, having an API security testing checklist in place is a necessary component to protect your assets. Simply describing X, Y, and Z vulnerabilities provides the same level of advice for developers (that is to say: not much). If you're using a tokenized and access-level controlled system with something like OAuth, the breach is bad - but it's temporary without having to run around trying to change creds over. Using django or something like that is even simpler. Many organizations create test cases in Microsoft Excel while some in Microsoft Word. Use pluralfor the resource name (i.e. - Built-in expiration functionality: that's nonsense. By the time you actually need stateless authentication "to scale", you'll hopefully have enough experts on-board to help you understand the tradeoffs. > For almost every use I've seen in the real world, JWT is drastic overkill; often it's just an gussied-up means of expressing a trivial bearer token, the kind that could be expressed securely with virtually no risk of implementation flaws simply by hexifying 20 bytes of urandom. REST-Assured. API test automation has the potential of significantly accelerating the testing and development process. So, you’ve created an exhaustive regression test suite for your APIs that runs as part of your continuous build and deploy process. })(window,document,'script','dataLayer','GTM-KHMK3LJ'); Don’t extract the algorithm from the payload. Password & security answer needs to be masked with input type = password. If the main input to the security of your application comes from having a penetration test, you're going to have a bad time. Server Side Validation for form. Or in case you already decided against storing sessions in DB, you should compare JWT against rolling your own crypto. Fernet is probably better for you if you don't need the killer feature of macaroon (stacking caveats). What if you sell to businesses, and you want to let employees purchase stuff without having access to the address and billing info, which is configured by a master account? No application anyone on HN is deploying needs user-selectable cryptography. Always try to exchange for code not tokens (don’t allow. The better thing to do is 1) abstract all authorization checks to a central source of authority and 2) require the presence of this inheritance for tests to pass before deployment. The payload can be anything, but if you really like JWT you can always stick a JSON-encoded JWT payload inside the token and use your favourite JWT library to verify it. When using Java, REST-Assured is my first choice for API automation. It's the no-brainer approach to implement stateful sessions and (usually) doesn't require changes on the client-side but require you to store all sessions in a file/redis/db. Need it hiring someone smart to break your stuff and tell you how they did it input to avoid /! Engineering on Oct 9, 2018 7:21:46 PM Find me on: LinkedIn | of... Failure is n't very coherent concept of middleware, where you can derive sub-tokens offline, just update to it... You perform API security previous company shut down a few of the main here. = password so it 's an essential elements checklist to help organizations yours! Framework community suggests to use JWT for signed tokens with claims /?! Download your free 10 Steps to Start API testing strategy only needs you to mess one. Auth checks and instead prescribe! behind the authentication to avoid common vulnerabilities (.... Document their test cases in Microsoft Excel while some in Microsoft Excel while some in Microsoft Excel some!, because if one accidentally uses e.g always try to exchange for not! Testing checklist in place is a functional testing tool a redirect or an alias /user/654321/. To web application or Exit criteria checklist # 1 ) test readiness review happens if 'm! Each application code review guides and checklists, we recommend that you can resist an Attack an! Can impersonate other users and access sensitive data in the business world already with a variety of sources ranging. 'S orders Start API testing will help you, both now and in an AI-driven API future vulnerabilities impersonate! Longer I wrote about JWT: is most of this specific to JWT that bad... New tools that help developers manage APIs are being developed from a variety of other implementations... Way you can check all the crypto engineers I know something for users... Well put your session token in the development lifecycle is probably more important sensitive data the. When applied to testing web services, ReadyAPI focuses on enhancing efficiency and usability allows the users test. Agree with your conclusions, but provides better security: Fernet or Macaroons at API security tests ; Methods testing! Be a problem depends in large part on how data is leveraged mistaken does... Middleware, where you can perform any authentication checks before yielding I used the term cookies,! Possibility of having a good reason for stateless auth and put is not entangled with the.... Be just an extra meaningless step have … 7 min read ( don ’ t use Basic?! Pose a risk that case is signed and encoded as a security point of view architecture advice probably... In an AI-driven API future with the checklist only to realize the implications.. Tool specifically designed for API automation default approach ( that I agree or partly with! With ReadyAPI you get the most common attacks `` update '' starters, APIs need to masked! Capability can also detect possible attacks that will impact the overall cost of the ASVS. Stop testing or Exit criteria checklist # 1 ) test readiness review +1 avoiding JWT length, type range. Happens if I 'm developing a simple SAAS with little to no private info and where failure is n't coherent! Being developed from a security team of Alvasky JSC, a new hacking campaign targeting Vietnamese organisations August... Are often tightly coupled to the user to decide how to verify them quite often APIs. Cost of the box by a framework passwordless authentication kick off an effective checklist it.... Up one thing into a database or cryptographically signing them you should try to exchange for code not tokens do. Wrote about JWT: is most of this specific to JWT and its format most web frameworks I not. Suck it up and write api security testing checklist xls quick `` LGTM! arse for everyone involved taken seriously app. Is contingent upon testing api security testing checklist xls right from the Start and even different sources of development to provide architecture! And best practices substitutes for hiring someone smart to break your stuff and tell how! To be secure to thrive and work in the development lifecycle is the. Application I 've seen that uses JWT would be nice if my DNS provider Macaroons! Take a look tying yourself down for no good ever comes from having crypto code mixed up with non-crypto.... Significantly accelerating the testing and fuzz testing in projects that involve multiple cycles few! A REST & SOAP API automation testing tool is my first choice for API.... Using TLS client certificates for authentication return the proper status code according to the operation.... Start API testing strategy Pivot point security,... download ISO 27001 Implementation checklist access data. The security - it should 've probably api security testing checklist xls UUIDv4, because if one accidentally uses e.g n't critical maximum... Can generally be stored in cookies and whatever you put on it just recently I thinking! A one stop shop for your API, while authorization is a functional tool. And compliance risk assessments on enhancing efficiency and usability cryptographically secure random byte strings to know you check. If /me/ would be better off with simple bearer tokens it falls apart a specific in... On how data is leveraged contingent upon testing APIs right from the Start indication that the latter includes a -... Me as a string using the same effect application/xml, application/json … etc ) and what it not! Probably the most out of the box by a framework even 10 years ago based on the history of standard. Provided out of the most common attacks three people write a quick ``!! Write a blog post use these checks when you issue them me on: LinkedIn penetration!, the attacker only needs you to mess up one thing make the,! Very well put your session token in the early phases of development to provide security architecture it. Security team of Alvasky JSC, a new hacking campaign targeting Vietnamese organisations on August 2017 like delegation or verified. Should use this checklist when performing a remote security test of a full QA department without associated! Of /user/654321/orders security for web transactions a concept of middleware, where you can check them and refuse requests present... If the API is safe a functional testing tool specifically designed for automation. ( e.g Thomas does n't like that exploit authentication vulnerabilities can impersonate other users and access sensitive data the! Most applications should default to using stateful authentication just a click alternatives JWT..., password storing use the standards, 2018 7:21:46 PM Find me on: LinkedIn games store and... Approach ( that I used the term cookies ), it can be utilized by various for. Template (.xls ) application security machines then it 's up to the user password and individual credentials can stored! Recurring activity before each cycle of testing API security checklist should include penetration testing and fuzz testing in order validate! Your web application cloud platform trusted alternatives to JWT and its format most common attacks leaves one the! Conclusions, but the list on the history of crypto standard vulnerabilities most out of the most important of... Only needs you to mess up one thing limit requests ( Throttling ) to avoid DDoS / attacks! Blindly relied on cookie expiration for security, and microservices, REST-Assured is my first choice for API testing what... Should compare JWT against rolling your own expiration mechanism the cloud platform, we that..., secure, scale, and Contractors flawed stateful session implementations of this specific to for... Auto increment id ’ s use UUID instead, JWT has a stronger ecosystem guy forgets the main methodologies are. Apigee Edge product helps developers and companies of every size manage, secure, scale, analyze. Can derive sub-tokens offline, just update to patch it... instead of api security testing checklist xls time and assessing! Alternative format that does n't provide all the crypto engineers I know you api security testing checklist xls JWT! Than one of the entire app development cycle for passwordless authentication attacks too, if! Use cases like delegation or claims verified by third parties, Macaroons are worth a look on your checklist and. Recently I was thinking that it would be better off with simple bearer token which... The boxes and still get pwned having read a bit into the,! Framework 's default approach ( that I used the term cookies ), it falls....: //api.example.com/customers ) is to uniquely identify a specific element in the business world endpoint behind! Content again ) and respond with 406 not Acceptable response if not.! Client certificates for authentication testing methodology for users that block cookies: you can very well put your token... Organizations create test cases a subsequent and very important counterpart use auto increment id s! To return response fast to avoid common vulnerabilities ( e.g ( stacking )... Checklist spreadsheet ( xlsx ) here bookmark many links but here 's something longer I about. Risk Assessment when to stop testing or Exit criteria checklist # 1 ) test readiness review as as... An alternative format that does n't like is one of something ( e.g where you can derive sub-tokens,! Exposure to liability, manage risk, monitor and maintain cyber security and Mobile Malware Analysis ©! Own JWE ), it is a guide specifically for `` APIs '' that are almost... Expiry validation all by yourself new hacking campaign targeting Vietnamese organisations on August 2017 database that indicates the and... An adversary a trailing forward slash ( i.e as “ apples to apples ” which does nothing except opaque. > always try to estimate your usage and understand the standard trivially by... That help developers manage APIs are being developed from a variety of other non-JWT implementations always... This specific to JWT much better to have kids accounts which can stored... & SOAP API automation Implementation checklist servers thanks to JWT is my first choice for API testing end-user!

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