[USN-5454-1] CUPS vulnerabilities


========================================================================== Ubuntu Security Notice USN-5454-1 May 31, 2022
cups vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 22.04 LTS – Ubuntu 21.10 – Ubuntu 20.04 LTS – Ubuntu 18.04 LTS
Summary:
Several security issues were fixed in CUPS.
Software Description: – cups: Common UNIX Printing System(tm)
Details:
Joshua Mason discovered that CUPS incorrectly handled the secret key used to access the administrative web interface. A remote attacker could possibly use this issue to open a session as an administrator and execute arbitrary code. (CVE-2022-26691)
It was discovered that CUPS incorrectly handled certain memory operations when handling IPP printing. A remote attacker could possibly use this issue to cause CUPS to crash, leading to a denial of service, or obtain sensitive information. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2019-8842, CVE-2020-10001)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 22.04 LTS: cups 2.4.1op1-1ubuntu4.1
Ubuntu 21.10: cups 2.3.3op2-7ubuntu2.1
Ubuntu 20.04 LTS: cups 2.3.1-9ubuntu1.2
Ubuntu 18.04 LTS: cups 2.2.7-1ubuntu2.9
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-5454-1 CVE-2019-8842, CVE-2020-10001, CVE-2022-26691
Package Information: launchpad.net/ubuntu/+source/cups/2.4.1op1-1ubuntu4.1 launchpad.net/ubuntu/+source/cups/2.3.3op2-7ubuntu2.1 launchpad.net/ubuntu/+source/cups/2.3.1-9ubuntu1.2 launchpad.net/ubuntu/+source/cups/2.2.7-1ubuntu2.9