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USN-5551-1: mod-wsgi vulnerability

4 August 2022

mod-wsgi could allow unintended access to network services.

Releases

Packages

  • mod-wsgi - Python WSGI adapter module for Apache

Details

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.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04

After a standard system update you need to restart your web service to make
all the necessary changes.

References