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Ubuntu Security Notice USN-5744-1
Ubuntu Security Notice 5744-1 - 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.
=========================================================================Ubuntu Security Notice USN-5744-1November 28, 2022libice vulnerability=========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 18.04 LTS- Ubuntu 16.04 ESMSummary:Weak session cookies generated using libICE could allow sensitiveinformation 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 thesession cookies. A local attacker could possibly use this issue to performa privilege escalation attack.Update instructions:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 18.04 LTS: libice-dev 2:1.0.9-2ubuntu0.18.04.1 libice6 2:1.0.9-2ubuntu0.18.04.1Ubuntu 16.04 ESM: libice-dev 2:1.0.9-1ubuntu0.16.04.1+esm1 libice6 2:1.0.9-1ubuntu0.16.04.1+esm1In general, a standard system update will make all the necessary changes.References: https://ubuntu.com/security/notices/USN-5744-1 CVE-2017-2626Package Information: https://launchpad.net/ubuntu/+source/libice/2:1.0.9-2ubuntu0.18.04.1