[USN-5069-2] mod-auth-mellon vulnerability
marc.deslauriers at canonical.com
Wed Sep 8 18:44:58 UTC 2021
Ubuntu Security Notice USN-5069-2
September 08, 2021
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 21.04
mod-auth-mellon could be made to redirect to arbitrary sites.
- libapache2-mod-auth-mellon: SAML 2.0 authentication module for Apache
USN-5069-1 fixed a vulnerability in mod-auth-mellon. This update provides
the corresponding updates for Ubuntu 21.04.
Original advisory details:
It was discovered that mod-auth-mellon incorrectly filtered certain URLs.
A remote attacker could possibly use this issue to perform an open redirect
The problem can be corrected by updating your system to the following
In general, a standard system update will make all the necessary changes.
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