USN-4291-1: mod-auth-mellon vulnerability
libapache2-mod-auth-mellon vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.10
- Ubuntu 18.04 LTS
Summary
libapache2-mod-auth-mellon could be made to redirect users to malicious
sites.
Software Description
- libapache2-mod-auth-mellon – SAML 2.0 authentication module for Apache
Details
It was discovered that mod_auth_mellon incorrectly handled certain
requests. An attacker could possibly use this issue to redirect a user to a
malicious URL.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 19.10
- libapache2-mod-auth-mellon – 0.14.2-1ubuntu1.19.10.1
- Ubuntu 18.04 LTS
- libapache2-mod-auth-mellon – 0.13.1-1ubuntu0.2
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-4291-1: mod-auth-mellon vulnerability
