USN-5301-2: Cyrus SASL vulnerability

Publication date

22 February 2022

Overview

Cyrus SASL could run programs if it received specially crafted network traffic.


Packages

  • cyrus-sasl2 - Cyrus Simple Authentication and Security Layer

Details

USN-5301-1 fixed a vulnerability in Cyrus. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that the Cyrus SASL SQL plugin incorrectly handled SQL
input. A remote attacker could use this issue to execute arbitrary SQL
commands.

USN-5301-1 fixed a vulnerability in Cyrus. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that the Cyrus SASL SQL plugin incorrectly handled SQL
input. A remote attacker could use this issue to execute arbitrary SQL
commands.

Update instructions

After a standard system update you need to reboot your computer to make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
16.04 xenial libsasl2-modules-sql –  2.1.26.dfsg1-14ubuntu0.2+esm1  
14.04 trusty libsasl2-modules-sql –  2.1.25.dfsg1-17ubuntu0.1~esm2  

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