Ubuntu 16.04 LTS: USN-3118-1 Moderate: Mailman CSRF Flaws

ubuntu

November 1, 2016

Several security issues were fixed in Mailman.

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)

Topics Covered

security advisory software update ubuntu mailman csrf attack administrative actions

Update Instructions

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

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

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