CVE-2022-2255 Information

Description

A vulnerability was found in mod_wsgi. The X-Client-IP header is not removed from a request from an untrusted proxy allowing an attacker to pass the X-Client-IP header to the target WSGI application because the condition to remove it is missing.

Reference

https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L14046-L14082 https://github.com/GrahamDumpleton/mod_wsgi/blob/4.9.2/src/server/mod_wsgi.c#L13940-L13941 https://modwsgi.readthedocs.io/en/latest/release-notes/version-4.9.3.html