USN-3563-1: Mailman vulnerability

Ubuntu Security Notice USN-3563-1

8th February, 2018

mailman vulnerability

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

  • Ubuntu 17.10
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS

Summary

Mailman could be made to run arbitrary code.

Software description

  • mailman
    – Powerful, web-based mailing list manager

Details

It was discovered that Mailman incorrectly handled certain web scripts.
An attacker could possibly use this to inject arbitrary code.

Update instructions

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

Ubuntu 17.10:
mailman

1:2.1.23-1ubuntu0.2
Ubuntu 16.04 LTS:
mailman

1:2.1.20-1ubuntu0.3
Ubuntu 14.04 LTS:
mailman

1:2.1.16-2ubuntu0.5

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.

References

CVE-2018-5950

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