1. Ubuntu Security Notices
  2. USN-5744-1

USN-5744-1: libICE vulnerability

Publication date

28 November 2022

Overview

Weak session cookies generated using libICE could allow sensitive information to be exposed.

Releases

Packages

  • libice - X11 Inter-Client Exchange library (development headers)

Details

It was discovered that libICE was using a weak mechanism to generate the
session cookies. A local attacker could possibly use this issue to perform
a privilege escalation attack.

It was discovered that libICE was using a weak mechanism to generate the
session cookies. A local attacker could possibly use this issue to perform
a privilege escalation attack.

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
18.04 bionic libice6 –  2:1.0.9-2ubuntu0.18.04.1
libice-dev –  2:1.0.9-2ubuntu0.18.04.1
16.04 xenial libice6 –  2:1.0.9-1ubuntu0.16.04.1+esm1  
libice-dev –  2:1.0.9-1ubuntu0.16.04.1+esm1  

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References

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