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Burp Extender

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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Sample extensions View community discussions about Extensibility

Bug Reports

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  • Blank page displayed in Firefox when requesting websites behind corporate firewall

    Hi, As the topic says, the browser (Firefox) simply shows a blank page when requesting websites hosted behind our corporate firewall (but not on same network). The behavior is quite strange considering the following: 1) "No proxy for" is empty. 2) This can be reproduced on several workstations in the company. 3) Burp proxy in response intercept mode ON correctly receives the HTML r...

    3 Agent Answers    2 Community Answers
    Jan 18, 2017 04:24PM UTC
  • Executing infiltrator on webgoat-container-7.1-exec.jar

    Hi, don't know if it is a bug or not, but the problem accurs on Windows 7 and Xubuntu 16.04. Java Version: 1.8.0_111 Burp Suite Professional v1.7.15 The Problem: executing the burp_infiltrator_java.jar on webgoat-container-7.1-exec.jar (both files are in the same folder) java -Xmx1024m -jar burp_infiltrator_java.jar --non-interactive (independet if non-interactive or interacti...

    2 Agent Answers    0 Community Answer
    Jan 17, 2017 11:51AM UTC
  • Opening and saving an Intruder attack saves nothing

    Steps to reproduce: 1. Open a previously saved Intruder attack using the "Intruder | Open saved attack" menu item in the main window. 2. Save the attack using the "Save | Attack" menu item. Expected results: Attack state is saved to disk. Actual results: File is created on disk, but with no content (valid ZIP file with an empty Intruder file within). Burp holds a lock...

    2 Agent Answers    0 Community Answer
    Jan 12, 2017 04:15PM UTC
  • ECB Block Shuffler Payload type behaviour

    Not sure if this is bug or im doing it wrong but i tried using the ECB Payload of Burpsuite with base request of: GET /payment/callback?data=5765679f0870f4309b1a3c83588024d7c146a4104cf9d2c80cf1fc4796100e1128df361f896eb3c3706cda0474915040 HTTP/1.1 As you can see the "data" is a sequence of 96 characters. And what i expected when i run intruder w/ "ECB Block Shuffler" would...

    2 Agent Answers    2 Community Answers
    Jan 02, 2017 02:23AM UTC
  • Version burpsuite_pro_v1.7.15 (OSX) is crashing when trying to start

    While trying to start, the burp window opens but closes just after the screen refresh. It is strange because the JVM don't crash. The worst part is, I can not use the older version to reopen the project as now burps understand it was created for a newer version. Thanks

    1 Agent Answer    0 Community Answer
    Dec 21, 2016 06:33PM UTC
  • Viewing aspx extensions

    Hi, When using Burp Suite Pro I've come across a problem where the response tabs are unable to display the raw response from aspx file extensions. When copying the raw response into both classic Notepad and Notepad++ the raw response displays fine as HTML. Sending the response to the decoder also displays HTML - without using any of the encode or decode options. The proxy, intercept, i...

    1 Agent Answer    0 Community Answer
    Dec 20, 2016 04:49PM UTC
  • Cancelling a repeater request looses history

    In the repeater, if a request is timing out and it is cancelled then the history is lost, i.e. the arrows stop working and you can't see other requests. Done it for me a few times on current test so very repeatable.

    1 Agent Answer    1 Community Answer
    Dec 15, 2016 10:51AM UTC
  • Mouse events ignored in filter text boxes

    In some text inputs like the filters (by search term, by file extension: show/hide) in both the Target and Proxy tab seem to update the internals only when there's a keystroke event fired in them (the user either deletes or types some characters using the keyboard). This ignores mouse events, which in case of Burp means that people on Unix-like systems (tested on Linux/X11) can paste into the...

    1 Agent Answer    0 Community Answer
    Dec 15, 2016 09:26AM UTC
  • Java crypto policy files overwritten on upgrade

    I'm testing a site which requires the alternative Java crypto policy files, I put them in place but after a Burp upgrade they were put back to the original ones. Left me confused as to why I could no longer access the site. It would be nice to be able to place them somewhere and reference them rather than having them overwritten.

    1 Agent Answer    1 Community Answer
    Dec 14, 2016 09:48AM UTC
  • Cacheable responses

    HTTP, not just HTTPS responses obey the cache control headers, yes? So, shouldn't the finding for '' be more generic. I noted in a recent test the burp does NOT catch these cache issues when HTTP is the protocol in use. I guess I'll research the standards more, but thought to ask for yo...

    1 Agent Answer    1 Community Answer
    Dec 13, 2016 10:54PM UTC