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USN-3118-1: Mailman vulnerabilities

1 November 2016

Several security issues were fixed in Mailman.

Releases

Packages

  • mailman - Powerful, web-based mailing list manager

Details

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)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 16.10
Ubuntu 16.04
Ubuntu 14.04
Ubuntu 12.04

In general, a standard system update will make all the necessary changes.