USN-6169-1: GNU SASL vulnerability

Publication date

15 June 2023

Overview

gsasl could possibly be made crash or expose sensitive information over the network.


Packages

  • gsasl - GNU SASL command line utility

Details

It was discovered that GNU SASL’s GSSAPI server could make an
out-of-bounds reads if given specially crafted GSS-API authentication
data. A remote attacker could possibly use this issue to cause a
denial of service or to expose sensitive information.

It was discovered that GNU SASL’s GSSAPI server could make an
out-of-bounds reads if given specially crafted GSS-API authentication
data. A remote attacker could possibly use this issue to cause a
denial of service or to expose sensitive information.

Update instructions

In general, a standard system update will 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
22.04 jammy gsasl –  1.10.0-5ubuntu0.1~esm1  
20.04 focal gsasl –  1.8.1-1ubuntu0.1~esm1  
18.04 bionic gsasl –  1.8.0-8ubuntu3+esm2  
16.04 xenial gsasl –  1.8.0-8ubuntu2+esm1  
14.04 trusty gsasl –  1.8.0-2ubuntu2+esm1  

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