Several security issues were fixed in Mailman.
It was discovered that the Mailman administrative web interface did not protect against cross-site request forgery (CSRF) attacks. If an authenticated user were tricked into visiting a malicious website while logged into Mailman, a remote attacker could perform administrative actions. This issue only affected Ubuntu 12.04 LTS. (CVE-2016-7123)
1 November 2016
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in Mailman.
It was discovered that the Mailman administrative web interface did not protect against cross-site request forgery (CSRF) attacks. If an authenticated user were tricked into visiting a malicious website while logged into Mailman, a remote attacker could perform administrative actions. This issue only affected Ubuntu 12.04 LTS. (CVE-2016-7123)
Nishant Agarwala discovered that the Mailman user options page did not protect against cross-site request forgery (CSRF) attacks. If an authenticated user were tricked into visiting a malicious website while logged into Mailman, a remote attacker could modify user options. (CVE-2016-6893)
The problem can be corrected by updating your system to the following package versions:
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.
Vulmon