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GHSA-7527-8855-9cf8: Incorrect header handling in mod-wsgi

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.

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Incorrect header handling in mod-wsgi

Moderate severity GitHub Reviewed Published Aug 26, 2022 • Updated Aug 30, 2022

Related news

CVE-2022-2255: mod_wsgi/mod_wsgi.c at 4.9.2 · GrahamDumpleton/mod_wsgi

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.

Ubuntu Security Notice USN-5551-1

Ubuntu Security Notice 5551-1 - It was discovered that mod-wsgi did not correctly remove the X-Client-IP header when processing requests from untrusted proxies. A remote attacker could use this issue to pass the header to WSGI applications, contrary to expectations.