Ubuntu alert USN-5744-1 (libice)

From:
             
 
Nishit Majithia <nishit.majithia@canonical.com>
To:
             
 
ubuntu-security-announce@lists.ubuntu.com
Subject:
             
 
[USN-5744-1] libICE vulnerability
Date:
             
 
Mon, 28 Nov 2022 14:04:09 +0530
Message-ID:
             
 
<20221128083409.cuydviev3gsrxnzu@machine>
==========================================================================
Ubuntu Security Notice USN-5744-1
November 28, 2022

libice vulnerability
==========================================================================

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

- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM

Summary:

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

Software Description:
- 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.

Update instructions:

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

Ubuntu 18.04 LTS:
  libice-dev                      2:1.0.9-2ubuntu0.18.04.1
  libice6                         2:1.0.9-2ubuntu0.18.04.1

Ubuntu 16.04 ESM:
  libice-dev                      2:1.0.9-1ubuntu0.16.04.1+esm1
  libice6                         2:1.0.9-1ubuntu0.16.04.1+esm1

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

References:
  https://ubuntu.com/security/notices/USN-5744-1
  CVE-2017-2626

Package Information:
  https://launchpad.net/ubuntu/+source/libice/2:1.0.9-2ubun...