USN-4597-1: mod_auth_mellon vulnerabilities
22 October 2020
Several security issues were fixed in mod_auth_mellon.
Releases
Packages
- libapache2-mod-auth-mellon - SAML 2.0 authentication module for Apache
Details
François Kooman discovered that mod_auth_mellon incorrectly handled
cookies. An attacker could possibly use this issue to cause a Cross-Site
Session Transfer attack. (CVE-2017-6807)
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. (CVE-2019-3877)
It was discovered that mod_auth_mellon incorrectly handled certain requests.
An attacker could possibly use this issue to access sensitive information.
(CVE-2019-3878)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04
In general, a standard system update will make all the necessary changes.