Related Vulnerabilities: CVE-2022-2255  

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.

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.

Additional Information

  • Bugzilla 2100563: CVE-2022-2255 mod_wsgi: Trusted Proxy Headers Removing Bypass
  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
  • FAQ: Frequently asked questions about CVE-2022-2255