USN-4291-1: mod-auth-mellon vulnerability

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

• CVE-2019-13038

Source: USN-4291-1: mod-auth-mellon vulnerability