WAF Cookie Fetcher
This extension allows web application security testers to register various types of cookie-related session handling actions to be performed by the Burp session handling rules.
The extension can be used to add cookies to Burp's cookie jar which originate from a WAF or other bot defense system but are set in the browser using client-side code. Burp cannot normally detect updates to the values of these cookies without a request from the browser, which will not happen automatically during active scanning and intruder attacks etc. Therefore when the obfuscated new cookie value, or code to calculate the value is sent by the WAF's bot defense system, Burp doesn't update its cookie jar. This means that any requests which don't contain the updated value will be blocked. This makes it very difficult to use important Burp features such as the Scanner and Intruder when these bot defenses have been employed.
The other action types allow features such as the removal of specific named cookies from Burp's cookie jar, and the ability to empty the whole jar. These additional features add some helpful flexibility when using more complex session handling rulesets, to ensure the session remains valid by avoiding problematic cookies or to ensure specific application code-paths are properly tested.
|Author||Paul Taylor, Foregenix Ltd|
|Last updated||16 January 2018|
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.|
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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.