CVE-2022-31813: Apache HTTP Server: mod_proxy X-Forwarded-For dropped by hop-by-hop mechanism

[Stefan Eissing <icing () apache org>]

Severity: low

Description:

Apache HTTP Server 2.4.53 and earlier may not send the X-Forwarded-* headers to the origin server based on client side 
Connection header hop-by-hop mechanism.
This may be used to bypass IP based authentication on the origin server/application.

Credit:

The Apache HTTP Server project would like to thank Gaetan Ferry (Synacktiv) for reporting this issue

References:

https://httpd.apache.org/security/vulnerabilities_24.html