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Take a look at our Documentation section for full details about every Burp Suite tool, function and configuration option.

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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.

API documentation Writing your first Burp Suite extension
Sample extensions View community discussions about Extensibility
  1. Support Center
  2. BApp Store
  3. Java Deserialization Scanner

Java Deserialization Scanner

This extension gives Burp Suite the ability to find Java deserialization vulnerabilities.

It adds checks to both the active and passive scanner and can also be used in an "Intruder like" manual mode, with a dedicated tab.

The extension allows the user to discover and exploit Java Deserialization Vulnerabilities with different encodings (Raw, Base64, Ascii Hex, GZIP, Base64 GZIP) when the following libraries are loaded in the target JVM:

  • Apache Commons Collections 3 (up to 3.2.1), with four different chains
  • Apache Commons Collections 4 (up to 4.4.0), with two different chains
  • Spring (up to 4.2.2)
  • Java 6 and Java 7 (up to Jdk7u21) without any weak library
  • Hibernate 5
  • JSON
  • Rome
  • Java 8 (up to Jdk8u20) without any weak library
  • Apache Commons BeanUtils

New CPU mode is able to detect deserialization issues also without the presence of any vulnerable library, thanks to the work of Wouter Coekaerts

After that a Java deserialization vulnerability has been found, a dedicated exploitation tab offers a comfortable interface to exploit deserialization vulnerabilities using frohoff ysoserial

Mini walkthrough:

Author Federico Dotta
Version 0.5
Last updated 27 June 2017

You can install BApps directly within Burp, via the BApp Store feature in the Burp Extender tool. You can also download them from here, for offline installation into Burp.

You can view the source code for this BApp by visiting our GitHub page.
Follow @BApp_Store on Twitter to receive notifications of all BApp releases and updates.
Download BApp

Please note that extensions are written by third party users of Burp, and PortSwigger Web Security makes no warranty about their quality or usefulness for any particular purpose.

Go back to BappStore