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Burp Extender lets you extend the functionality of Burp Suite in numerous ways.

Extensions can be written in Java, Python or Ruby.

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Monday, May 22, 2017


This release adds the capability to report a number of new scan issues:
Burp Infiltrator for Java has been enhanced to correctly deal with some kinds of edge case bytecode that were not previously patched correctly.

Extensions written in Python and Ruby can now import libraries located in Java JARs. You can configure a location for Java libraries at Extender / Options / Java environment. This location is now used for extensions written in Python and Ruby, as well as those written in Java.

Various performance improvements and other minor enhancements have been made.
MD5: 72d9d7cddcc01e1f7313310deca24e8a
SHA256: 5e74b38ea51007009a1d8f19ccdb5dcfcea632b9895b41019084f5df0195cbd6

MD5: 758cdcd6fa227bf0028f35834a7cda5a
SHA256: 15fe5ac4c2d0f0aa62c1c470a237be669024fcab4aefa93f7d753992dc25d5f5

MD5: 0943306c0d1434ff79febf34210fb87e
SHA256: 5611badf74b68898d7270002acc796683365113c915e78374276de6475c403f9

MD5: ff903ff72e93b9ca44565388e0577e3a
SHA256: a71a165df2644cc829eabfaa01512f7d316b4f73a4a25cc4c8f4c0d6109b7c79

MD5: 2cf7aa2499647075b7b6b490b71e1b4e
SHA256: 7fe95e194622df38c8924484c43cfceb1ef5cda21a23f8e5ab392b6b0954fb79
MD5: bbd18a2bed12b8289bed27bb3870bbf3
SHA256: 642d597774b369120ede5d5251ca59203a2ccdfeafaa39e4620b60f60ffa8818

MD5: 69c13296d7411d00b5d376460b593277
SHA256: 09891adff1f7e39213167190fdb96641b7e5c2128431a45ffe43d436a21b795c

MD5: cc37820971ae74b32429ef962711e0b5
SHA256: a9e97e0d83b7b29db20f27b3e931e99ce64313206afd153fcae101a8c957eaea

MD5: eaa21157d1e2c4c898b225cbc6ead0a7
SHA256: 41a16a19e2486eaac7ef567fc3b719cfeb5045b70107c3dfbac181f06ae2fb9d

MD5: 63862e13eefe2516ee447840b1368049
SHA256: 0913910cfcab3571f350d46a326c749191d73917b4679fe227da1c42999d0ff9

Friday, April 28, 2017


This release introduces Burp Suite Mobile Assistant, a new tool to facilitate testing of iOS apps with Burp Suite. It supports the following key functions:
  • It can modify the system-wide proxy settings of iOS devices so that HTTP(S) traffic can be easily redirected to a running instance of Burp. (Supported on iOS 8 and later.)
  • It can attempt to circumvent SSL certificate pinning in selected apps, allowing Burp Suite to break their HTTPS connections and intercept, inspect and modify all traffic. (Supported on iOS 8 and 9).

Burp Suite Mobile Assistant runs on jailbroken devices running iOS 8 and later. For full details of how to install and use Burp Suite Mobile Assistant, please see the documentation.

A number of other minor enhancements and fixes have been made, including:
  • The selected column ordering in the Proxy history is now remembered in user-level settings.
  • Editing URL or cookie parameters in the "Params" view no longer loses the request body if it contains JSON/XML/etc.
  • Performance when deleting multiple selected items from the Proxy history is significantly improved.
  • Some memory problems encountered when scanning items with huge responses have been addressed.
  • A new method has been added to the API: IMessageEditor.getSelectionBounds().
MD5: 14dbd70a89460e54df480e9affd0e470
SHA256: 79dac5ec342dc037464496371129b29bc794d186dd36cbf447b96a68af7e0acf

MD5: 74c5f13c271039a01111458ac0d37244
SHA256: 938c7e7cb79477ce69a772e476d120b95963bd249801c63d65b330a220f57f6b

MD5: 1608a8e5c88271975ca66e5f4d122147
SHA256: 4f67942b1b5588f7c9707ea61a6de1b1d83f9496ab6a5532685eccaf1d0f0a4c

MD5: ec4bf216313865cae2f66078c0757b8a
SHA256: 487de9dc34a2638c3b1ade0e1765f10e8e8359b8b42f07610a22850cbbb5881f

MD5: 2fc257b38664d55d6d87d1de8490695d
SHA256: a0f9c5511e31af8570673861307100788d8edef6c8630944c22594d2a4952b98
MD5: 795d2bee9bec97d241243b4a24fa8779
SHA256: 915d9471ce9a00361b539f9fce1bf4175bd48c051264f3073178cfe71879e6d0

MD5: 94ab0c655589555e5abcbf4978bbdf4b
SHA256: 7cf1edfb508be61e5042669df7e3ee95335e18c6d089ff47767eab401db0e069

MD5: 5f9edf88e239d2f9c2c512f12675905f
SHA256: f6d38f66fdc9d33c719967754353580abfb84ec841b5cf86f513b129559fe435

MD5: 77ba365f8200a93a273e9a2fd6b86592
SHA256: 0e087cbc627d436c14b7e6688aa6b71c74ac3e648e0283f535e915528ac0382c

MD5: fdf1ade757bb41e2500aa55d27d024f0
SHA256: 776e418e64c7aabe3ad43a638dfd2ff4857f30cf5baa92ce7fca5e8f6249a646

Friday, April 7, 2017


This release fixes a bug that was introduced in 1.7.20 relating to configuration of SSL protocols and ciphers.
MD5: 277623002d675591590eaabc0ddc4f6d
SHA256: 92f8f3127ea7503716528e57e849c5514cfd41692d3ab77346d3b23ae98cb847

MD5: 97a21a2d67f77269260cec2d3d39c1c3
SHA256: 54160c183789824d9a75d5dce61990299bfbd2d3167a886b64edffcebef37591

MD5: a44cad25fd5e60f7523d5ca85754f8ad
SHA256: 2824d7651686c65d6161ba95047a2ccdc208bafb2b3b3cfa57132ff84b63cc53

MD5: 38272e3241413c6acae2d659c86ff7e9
SHA256: 94ff5c029ddf273ec79aeda5e49b4623a339ea07133dd773e9e81fc5404aab2f

MD5: b096337d370e28c8f809f73821572ed7
SHA256: e3fa9c8e097fb368569bdd6a24257e7a46a35e6c1f2b072c2ef12496c3981187
MD5: 28d91f937c013c39cd98bedb820016d5
SHA256: 0e5fe4325b7d6a6a65e9edb67e431dc435fea8198e2e701bd7aa398f4168e920

MD5: e4d7a02ea503819cb184ca37f9682499
SHA256: e98593ca2a76e6f6d9b0804cbcab55d8f0a574f83131a326415c2f8f1c67898e

MD5: c7d75718a8b7fe4d0cd9e7f94053a54d
SHA256: cdac5303caa21f9a1c10ba266fc0a8bb14b2b83a495451a6219114eb6b509dd4

MD5: 53295bc1ee8c57882bf239b4b2fc2c68
SHA256: 4677fec46904d597652f0f91fb3965aaa1b577161912165554fd9138bcb6df98

MD5: 63dd904695372c2c62a83da76125e31c
SHA256: c8e9a6a72d97b4f609dc279159e8e04ab5f512435d23925f074c89ae16657448

Thursday, April 6, 2017


This release considerably enhances the detection of blind injection vulnerabilities based on response diffing. Various Burp Scanner checks involve sending pairs of payloads (such as or 1=1 and or 1=2) and looking for a systematic difference in the resulting responses. Previously, Burp used a fuzzy diffing algorithm that analyzed the whole content of responses. This approach has various limitations that can lead to false negatives, such as:
  • Small variations that are insignificant in the context of the whole response content are liable not to trigger the fuzzy diffing threshold, despite being highly significant when their precise syntactic context is taken into account.
  • Situations where application responses vary due to non-deterministic or unrelated factors can lead to large variations that trigger the fuzzy diffing threshold for all payloads, thereby masking other variations that depend systematically on the supplied payload. 
Burp now uses a more granular diffing logic that takes into account all of the response attributes that were previously exposed in the analyzeResponseVariations API and used in our backslash powered scanning research. Variations are separately analyzed for attributes such as tag names, HTTP status code, line count, HTML comments, and many others. This granularity avoids the limitations described above and dramatically improves the accuracy of blind scan checks in many cases.

Additionally, several of the payloads used in diff-based scan checks have been enhanced to ensure that observed differences are indeed the result of injecting into the intended technology, rather than other input-dependent logic. For example, some web application firewalls (lamely) filter input that matches or N=N and cause a different response than is observed for or N=M. Burp's payloads are now intelligent enough to avoid false positives in situations like this.

The scan checks whose logic has improved include: SQL injection, LDAP injection, XPath injection, file path manipulation, User-agent-dependent response, X-forwarded-for-dependent response, and Referer-dependent-response.

We welcome feedback about the real-world performance of the new scanning logic, particularly in relation to false negatives or positives for diff-based injection issues.

Burp Proxy's generated per-host SSL certificates now include the site's commonName in the subjectAlternativeName extension. Apparently fallback to the commonName was deprecated by RFC2818 (in 2000), and browsers have recently decided to implement this.

Burp Collaborator server now has a configurable logging function that can be used for diagnostic purposes. See the Collaborator configuration file documentation for more details.

Various other minor fixes and enhancements have been made.
MD5: ed0d6a96f043ff4143dd28af3b07bec1
SHA256: 0b0053019f451132872d91c3c94bbad64b57e6990716b74f4724d187afc25900

MD5: ecdefeaa0359a25c1efd320bc7ca0b71
SHA256: ac576e85e7e02b6b4bd182198dac29289c171d6e5bf0dffafe1321b67a066364

MD5: e4074c98e1e3e41a2cb4777c83aaf2e0
SHA256: d5d7c93940507fce4ed6db5c0e422ae02bfce0f64af85a92b639054feb81d052

MD5: c4d8375750ac90b551d5dd48c4cce393
SHA256: fc61aafe3f5505db3abe8d370e04293aebd2340dbf6d6d825e75073e7f2ba4a1

MD5: 2f1f672f30bcc8d41e1b387d9402c478
SHA256: 68c182dc44e7d36bc3327b7103b242666b2b083adf096d7d314c119f94904a13
MD5: 7998e5b00e7308dae89fff7b2a6d3c8e
SHA256: 38f05f214b3292b6049c1f33446edba856b2c2d8fc083891c9c8566600016dc6

MD5: bdee19ebbccb76832b1ca79c9dd6f02f
SHA256: 161f69be4c5da6a6de927030d25a72da020e5a81a6c5419c25284a6b41b65808

MD5: 8b2751140a2a2c4f7dc073df122f9a73
SHA256: 5fd7d81ec4a5d0ec50aa3e4a37d26af17faea754b8a5652f9fc9e6842989013b

MD5: 52f0d409464ace54e00dc850be6e0fd5
SHA256: 463a6304978f000ee7fa62c150f4281784669481225ac65d3fe7fe4e3fd8a3ac

MD5: 9ae37b24a92237eea212d919a5161b87
SHA256: bc61f7bc1fa8e0e408a5cf1ebc83688b68d144064f584d15ef66af48e3d606ef

Wednesday, March 1, 2017


This release fixes a bug that was introduced in 1.7.18 that prevented Python and Ruby extensions from loading in Windows.
MD5: fbae4fd9f8e9a58dda009266c227be5b
SHA256: 45a4092218cc79cb41e008de12a5ff7ca539560df7f71097bbfab3b7f1c5c187


MD5: f41f66d2257d2155388fdf6ebc2c8020
SHA256: 0ee69e71319c6279f7c47baf1b9a3000350b3349a854374191bd76cd7ad7e6fa


MD5: bfb0dfb33b175b2eefc96694c1a635b4
SHA256: d00ab78507ca378dadf3c43153c014e87ba16f52487cb3091fb18de68fd57da6


MD5: 02e5771798b6d53264adebc972401e0b
SHA256: 867383ecdaa932ebc87a6b946dbfa8060d9f0834c6f42f0ea1232732a799b5ae


MD5: ec3545997c7e669e6ff27c3728c2d170
SHA256: 2aabd7dce50ea07b7b538ce54c751316440246499f28afd77d5946da60002f5d
MD5: 2bf759aee934cd2049f4aa68d86c1935
SHA256: e6fdaf42ec67eebb392d137ba914ff1c18920d6225646068e092fc7f8bb29c03

MD5: 49e50f15d148fd60ce05d0a719b79f78
SHA256: fbb0c14f038439efa48ba098281588aaaf336e1740ef2a2f2e5d2ec6144339c9

MD5: 8f8e1c809f3865ba5ee0d9f5ee901333
SHA256: fe2a486fe4c9cf33ea57af3a6a96ecbae15e69ebcbe3bd935d3cf314c0d2e3aa

MD5: c3e6e6afab4d948225939dca9c186e3b
SHA256: 8eec4e7f787cefb69c4292e2025d52a052e5098a59652faf5510cacda5b1e9a6

MD5: 545daea08c0b40a5010e7ad03c6acb28
SHA256: c589d98782f51f080938797f20935f8aa85be63348c9651c197565f4911d1c48

Tuesday, February 28, 2017


This release adds a new option to prevent project data being accumulated for out-of-scope items that pass through Burp Proxy.

It is common for users to configure their system-wide proxy settings to send all traffic through Burp, with the result that a large quantity of irrelevant requests and responses go through Burp Proxy, generated by OS components, other software, or unrelated browsing by the user. With the new feature, you can prevent out-of-scope items being added to the Proxy history or Target site map, or being automatically sent to other Burp tools (such as for live scanning).

The new option can be turned on at Proxy / Options / Miscellaneous:
When you first add an item to scope, Burp will ask if you want to enable this option, to prevent the Proxy from sending out-of-scope items to the history or other Burp tools:

If you check "always take the same action in future", then Burp will remember your choice and apply it automatically on future executions of Burp, when you first add an item to scope. You can control the use of this setting, and whether the dialog is shown, at User options / Misc / Proxy history logging:

A large number of minor bugfixes and other enhancements have also been made.
MD5: aa8969a7b564bf5713afb7ee6be7584d
SHA256: 891545d49099d8d2b636ad8f72ac54b2c615328fe55381f95f6de9a8296bc634

MD5: 4c76a10ea231eabf30950cc731a4bc7a
SHA256: edbd7ecd2bc80a72010c74780252c9d9c3be1ec8f9ee863924f115c47020a28a

MD5: 95ba0c1cb3b0de11a0bbc391bdb565bf
SHA256: 4dbb88e1bf69bc2ea02cf8d34198a7ca96b626a0dda87db71c6f83a738a1ff49

MD5: 19706e3b0919d5a9a9f33076900176fd
SHA256: ab35ad872adfdf390a7a71b1f855acf88be16d7df677f2ad1473342e8cfbf68c

MD5: d9fd8166a7f1eb6b4ed9ee5603705876
SHA256: 1fd91819c892ad9ead96004145af835406f24697e8ae24e977572aa1af52e2b4
MD5: 1a2b9127d2e97f140352e26514b450eb
SHA256: 3077a3416d312867c71b3eb43ac975b254bf457d1beea50a0be18653355f2af6

MD5: 721aab10d94b60983d0007d6312d4c8c
SHA256: 45101ad919943ea7d54325e0f399b195f19efb06d53424f16a08f454da8f43e0

MD5: 2c584dad187b623a96def1ddd697904b
SHA256: fa37d8e84cb7d8933929f59486ef785530091fee6f99fa0c38107efd0ac6275e

MD5: 3bff1e18963f8be977fbc18fdd2a2c7c
SHA256: 8a85245912d3b74de1a9daa61feb74c46950d88672453c5b24f899d9f6c39964

MD5: 8ddaf43ba0673bb926e83e5b46999553
SHA256: e04d9a4d7f59e47629183ae87c2d77617c9c083e7f3df947c160e954396bca0b

Wednesday, February 1, 2017


This release adds various new features and addresses some issues.

There is a new Scanner check for suspicious input transformation. This issue arises when an application receives user input, transforms it in some way, and then performs further processing on the result. Burp reports reflected and stored input that has been transformed in the following ways:
  • Overlong UTF-8 sequences are decoded.
  • Invalid UTF-8 sequences containing illegal continuation bytes are decoded.
  • Superfluous (or "double") URL-encoded sequences are decoded.
  • HTML-encoded sequences are decoded.
  • Backslash escape sequences are unescaped.
  • Unexpected transformations resulting from submitting any of the above payloads.
Performing these input transformations does not constitute a vulnerability in its own right, but might lead to problems in conjunction with other application behaviors. An attacker might be able to bypass input filters by suitably encoding their payloads, if the input is decoded after the input filters have been applied. Or an attacker might be able to interfere with other data that is concatenated onto their input, by finishing their input with the start of a multi-character encoding or escape sequence, the transformation of which will consume the start of the following data.

Various enhancements have been made to Burp Infiltrator, in response to feedback from real-world usage:
  • A bug affecting the patcher when running on Java 6 or earlier has been fixed.
  • A bug that caused the manifest files of some nested JAR files to be lost has been fixed.
  • A bug that left invalid signatures in place after the relevant bytecode was modified has been fixed
Burp Scanner's issues are now mapped to CWE vulnerabilities.

There is a new command-line option to prevent Burp from pausing the Spider and Scanner when reopening existing projects. To prevent this, add the following argument to the command to launch Burp:


Various other enhancements and bugfixes have been made.
MD5: b9371185454563e5ca279ab80d5fdd28
SHA256: aae6d011211313f9408de431c7ac3fe230d6d0d61c038add3778b453ad33e9b8

MD5: bb3592dd77027d583be6081988e48522
SHA256: 77740b44eebba7dce56cc866380a7cf94fca4536c22d14edb183d2f7f7a3177c

MD5: a572b5b026290335f8b5d2dac0766dbd
SHA256: 2bd6c8f09ad657716e95191ac4841297f268ca5ce279dd164b0d67ccd375683d

MD5: fc1bb251a9ec7685160cff3fcd5119e3
SHA256: 4b54fbe77bf8e89508316731f621ba03a25dd224fa7f3855e7a6db8dd653a5df

MD5: 8b40a5bdf55848329ca9f9eb9b3e7154
SHA256: c8c4c8cb3156d523e3f5630b0c1500df05eb4a0297bdcd23fb00e0853467bf7e
MD5: 408d063f42f51ea027bb6a5014ae58e6
SHA256: f18ad7d5873ca4fa29af04e8cd9ce967792377366b74edc5943014440f2cc815

MD5: 83d6022c7b739c346b14897ac491e8a0
SHA256: ea41d8afeb1f621ccfa15d56d4bb8a0a72d5fab3dabe4164696527ae692df4db

MD5: 1af427b18de46c38410b46fb5a3f8080
SHA256: 603ca7adb8561a73c6ce49c463c8e8bee36c9ae88422f53b9af5fe5136f80aec

MD5: 36567e3a4b010d981d477be97c924753
SHA256: ecc64b14e64225bd54429a283cc184f5febea93d1eac531cda302d2defcb48f5

MD5: b9c142ffff80cce82c54e3ed3ce17814
SHA256: 96fc23d40efbe386217ce71c33a68a31fa589f13443a25c2bb5842c55d6fca0f

Monday, January 16, 2017


This release adds various enhancements and fixes:
  • There is a new command-line option to launch Burp with a specified user configuration file:


    This can be used to set any user-level option, including Burp extensions to load. It is useful when running Burp on headless systems where there is no UI for configuring user-level options. By creating a suitable user-level config file, it is possible to launch Burp on a headless system with specific Burp extensions or any other user-level setting.
  • Some recent changes to Tomcat cause it to reject a wider range of raw characters in the URL query string, going beyond the standard practice of browsers and other web servers. Burp Scanner and Intruder now apply URL-encoding to the relevant characters by default, ensuring that their payloads are accepted by Tomcat and reach the application code.
  • A bug that was recently introduced that prevented license activation in headless mode has been fixed.
  • The Content Discovery function now correctly handles applications that have wildcard behavior for file extensions (e.g. those that return a specific response for regardless of the file extension). This eliminates the only known false positives reported by the new Content Discovery engine.
  • There are some new options in the Proxy for stripping request headers that offer to support encodings that may cause problems with intercepted traffic in Burp. These options are on by default.
  • Logging options have moved from the user level to the project level, and are now included in project-level configuration files and project files. This means that you can enable logging on a per-project basis and have this setting remembered when reopening a project file.
  • Unicode characters in URLs are now properly handled in the "Paste URL as request" function.
  • Various other minor bugfixes and enhancements have been made.
MD5: 6a1d1e734e9191b4eb8476b1da691597
SHA256: e2d30656bf3f6b51d48c212853ef0f1ab85a62850d398bfb40e616173eb2b023

MD5: 2ef30460b9609ff1c8692453a4f4ed35
SHA256: 9aa48e63d66e701a17db10bd47f12c899efc68213f4d32d29472e8ddd857fa07

MD5: e71679acf722df8f54a66df7bda1c5a4
SHA256: eda1e4ff9db2235cb2a3d2c7637c79d00387a862c82f839f042f4ee4d62b949a

MD5: a8d30d750458339a58165eda96a83b96
SHA256: ae0f3dd56005e5f7ea4e9addf4be448fcf50f321fb07148d9140d83a54f8b4f4

MD5: 60c970dc6830d1ad4a6080b88012d94f
SHA256: 655241b5da121cc34c7b3962f2d654cd029efebdc46aa6d80ceda7a6151e2019
MD5: 47d11b07fe7b385dd1001b326efb5e79
SHA256: 2acb901751a81411a73edd8e15bbcc5b8c6167faae491d88a8dced56747043d1

MD5: 4aea2396b922299976884414a0931dac
SHA256: 3e9ef1b58e9fd6aecde614b61a9a61f0a86f03ac123d1d81e11c60a5dd61252c

MD5: 647c2992b7c6bc463776a13439af2765
SHA256: a281b6101c0fbec7e07c9165a2865978a6c380f4471ff53d9256cba028b08c7d

MD5: af74d8e21dacb022f8ae76a65456c7e6
SHA256: 9187bcefbef1ea7a5ac6bbc9c76db8d0a53a8922c1251401775a8f6faf323c5d

MD5: b3962e75638ec65dcc17e4c6d4305989
SHA256: a7bb5f4a1af3ab27350d54c8567becd4c4ff96a79f0efb2bb951e67e7dae6f52

Wednesday, December 21, 2016


This release includes the most frequently requested feature of all time: custom wordlists in the Content Discovery feature.

It also massively improves the accuracy of detection of valid vs. not-found responses in the Content Discovery engine. We believe that this is now approaching 100% accuracy in terms of both false positives and false negatives. If anyone encounters a site where the Content Discovery function is not completely accurate, please let us know the details and we will investigate.

A number of other enhancements and fixes have been made:
  • Further to the security issues that were fixed in 1.7.14, some additional hardening has been performed of in-browser actions and the CSRF PoC generator, to prevent some conceivable attacks involving excessive amounts of socially engineered user actions on a malicious site. 
  • A bug that caused the Burp Comparer progress bar to intermittently hang has been fixed.
  • The SMTP service of the Burp Collaborator server has been modified to reject emails without a valid interaction ID. This effectively prevents the Collaborator wrongly appearing to be an open mail relay, which caused failure reports by naive security scans.
  • A bug that was introduced in 1.7.14, which prevented Repeater requests from being issued when a tab other than the "Raw" tab was selected, has been fixed.
MD5: 28fd91f8d490539f43f7656be183a2f8
SHA256: 5c6c92ba03f9949bdee5ad06de1857cf95b6a185472099714c35fe803493d5f8

MD5: 4dda1b4b6f5b2f6e26800d2de27cee81
SHA256: 4981643c399dd99f9466137e847802358ace1008fb0e6e427b9608453b97d494

MD5: 00805dcdc13a8980feeda8385d090ab6
SHA256: f1ed25e925b68bbc6c83a350a768e663e51d2cbd60e1a7ef5fa9a70a305928f4

MD5: 6c0ead0f72fe6b1d5253c704112fed7b
SHA256: 9a58431985e160676dee27f86d5d0122a946b576d69b8c9501ec095635179b8f

MD5: 5d4eda1c4081fb6569210fb33ddfe1e0
SHA256: 82d7224ddd9e645686141eb47380df90f6717221fde65f865e2696c47944b559
MD5: bffe16e37aece609df12f4db5ce4521a
SHA256: 06a412dc4c42ea25e6aa374f6b37485d64ebde297e40a2c30a8ade889c242e1d

MD5: 0f6025fe4a822d784796fe376554438b
SHA256: 8d8ad2bcf579dec1a78f8972e0ea79c48d5a107b87bf870627f529b5f2e1c4fe

MD5: 2c237465d7a56e06f36191566f0c9e7c
SHA256: 0fc1c1cfe9804277a4674e16ceb5ac564d24330eae085c660f6c8b9646315e91

MD5: 70fe127e99827df4c15453a89dc6afab
SHA256: 500f265c1726b7d87cba6ccdf24b4e173606c07c8c7a2fae83a96808375c8c86

MD5: ddb4e11c25f65403083cf4911f9c78cf
SHA256: d5816fa34f22c4d90e4903e756c52c925e09701a00941892848d24288678a57b

Tuesday, December 13, 2016


This release fixes the following security issues that were identified through our bug bounty program. Note that all of these issues involve the Burp user actively testing a malicious website that has been designed specifically to attack Burp Suite.
  • If a user visits a malicious website in their browser, and in Burp selects a crafted request that was generated by that website, and uses either the "Request in browser" function or the "Generate CSRF Poc" and "Test in browser" function, then the malicious website can XSS an arbitrary website.
  • If a user scans a malicious website and another website within the same Burp project, and exports all of the scan results as a single HTML report, and views that report in a browser, then the malicious website can capture the scan results for the other site.
  • If a user scans a malicious website and another website within the same Burp project, then the malicious website might be able to capture the raw data of any Burp Collaborator interactions that were performed by the other website.
We are pleased that our bug bounty program has alerted us to these issues within Burp. As well as fixing known issues at source, we have taken a defense-in-depth approach to hardening Burp in response to them, including:
  • Some functions within Burp's in-browser interface that increased its attack surface have been removed altogether, including the Proxy history, the buttons to repeat requests and view responses, and support for the plug-n-hack Firefox extension.
  • Scan issue descriptions, including those generated by Burp extensions, are now subject to an HTML whitelist that allows only formatting tags and simple hyperlinks.
  • HTML scan reports now include a Content Security Policy directive that prevents execution of scripts in modern browsers.
Note: The security issues identified have all been fixed within Burp Suite. As a defense-in-depth measure, some hardening has also been performed of Burp Collaborator. It is recommended that users who have deployed a private Burp Collaborator server should update to the current version in a timely way.

Thanks are due to @_Abr1k0s_ for reporting the aforementioned issues.

A number of other enhancements were made, including:
  • A number of improvements to existing Scanner checks to improve accuracy.
  • When a request is sent to Repeater but never issued, the request is now stored in the Burp project file, so the initial unrequested item will reappear when the project is reopened.
  • The Proxy listener now accepts SSL negotiations from browsers that are hardened only to support selected protocols and ciphers.
MD5: a7d25a036f8800876b0ea068c20aad74
SHA256: 850d7a319fd869f346435ff0cdf8f1e4be8cc6cb48c1e1873c5b6891d54ef16e

MD5: 127043d3efb121938d00df46b33475cb
SHA256: c2a9177e822dcb11c9b8135889bd5395b7f059d450e99e89c20b8e380c7aa479

MD5: cf7b9daf47cc691b71f8a9d0f7cf4ca1
SHA256: 5781caa88a5e5f24fbc69eb9c9a16923faa104f3962ebc6e309e5d1c5e4e1457

MD5: 6649ef1ec97760069c337c5ac2519e54
SHA256: 52c5539e099fbb1a09e3d7991f9122543ab22b3eb37250f5f304123378d3e6be

MD5: 56aacc5bd084284815f4cc4065536573
SHA256: b3b2878389bbd3145eaf2cd588e6f77ec9fc5dabd5cd9ea92d485d961ada5c9e
MD5: 5f5d41c2272b286e538ce262de638122
SHA256: f856708a42764683ad32aac14147b5b5dfc8a46e1ea896cdd152fd04c513eb0b

MD5: fe2f537e8857c85d15057c656a18109c
SHA256: a0dfd6655209712708194b37e33fb3d3b56589a0399ca0f17f4e3c24a204d72b

MD5: 3de7554ee093195b577ab47c556f86c1
SHA256: afa278687957f3bb8fad20d8f088b18fa0ffd399621ec891855fb1116ab42476

MD5: 91b9d62bf72b4de20cc18cf246fe8d12
SHA256: 64a25a8a79c69c0c6e2f59b654351333165f26af39fe7b044fb73f88c0818dc8

MD5: 132ad25dbde203ac9f0b09a4ca9bcba1
SHA256: 5dc5c9ca26bb1d4fef67b79fd77543fe8b854f85ecf2c1be94310b9c44f88314