[USN-5551-1] mod-wsgi vulnerability


========================================================================== Ubuntu Security Notice USN-5551-1 August 04, 2022
mod-wsgi vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 22.04 LTS – Ubuntu 20.04 LTS – Ubuntu 18.04 LTS
Summary:
mod-wsgi could allow unintended access to network services.
Software Description: – 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 LTS: libapache2-mod-wsgi-py3 4.9.0-1ubuntu0.1
Ubuntu 20.04 LTS: libapache2-mod-wsgi 4.6.8-1ubuntu3.1 libapache2-mod-wsgi-py3 4.6.8-1ubuntu3.1
Ubuntu 18.04 LTS: libapache2-mod-wsgi 4.5.17-1ubuntu1.1 libapache2-mod-wsgi-py3 4.5.17-1ubuntu1.1
After a standard system update you need to restart your web service to make all the necessary changes.
References: ubuntu.com/security/notices/USN-5551-1 CVE-2022-2255
Package Information: launchpad.net/ubuntu/+source/mod-wsgi/4.9.0-1ubuntu0.1 launchpad.net/ubuntu/+source/mod-wsgi/4.6.8-1ubuntu3.1 launchpad.net/ubuntu/+source/mod-wsgi/4.5.17-1ubuntu1.1