USN-5454-2: CUPS vulnerabilities
31 May 2022
Several security issues were fixed in CUPS.
Releases
Packages
- cups - Common UNIX Printing System(tm)
Details
USN-5454-1 fixed several vulnerabilities in CUPS. This update provides
the corresponding update for Ubuntu 16.04 ESM.
Original advisory 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 16.04
-
cups
-
2.1.3-4ubuntu0.11+esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-5454-1: libcupsppdc1, cups-server-common, libcupsimage2, cups-ppdc, cups-bsd, cups-ipp-utils, cups-core-drivers, libcups2-dev, cups-daemon, cups, cups-common, libcupsimage2-dev, libcups2, libcupsmime1, libcupscgi1, cups-client