USN-3118-1: Mailman vulnerabilities

Ubuntu Security Notice USN-3118-1

1st November, 2016

mailman vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 16.10
• Ubuntu 16.04 LTS
• Ubuntu 14.04 LTS
• Ubuntu 12.04 LTS

Summary

Several security issues were fixed in Mailman.

Software description

• 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 version:

Ubuntu 16.10:

mailman 1:2.1.22-1ubuntu0.1

Ubuntu 16.04 LTS:

mailman 1:2.1.20-1ubuntu0.1

Ubuntu 14.04 LTS:

mailman 1:2.1.16-2ubuntu0.2

Ubuntu 12.04 LTS:

mailman 1:2.1.14-3ubuntu0.4

To update your system, please follow these instructions: http://ift.tt/17VXqjU.

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

References

CVE-2016-6893, CVE-2016-7123

from Ubuntu Security Notices http://ift.tt/2ewJpzQ