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Ubuntu Security Notice USN-5807-2
February 21, 2023
libxpm vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 ESM
Summary:
Several security issues were fixed in libXpm.
Software Description:
- libxpm: X11 pixmap library
Details:
USN-5807-1 fixed vulnerabilities in libXpm. This update provides the
corresponding updates for Ubuntu 16.04 ESM.
Original advisory details:
Martin Ettl discovered that libXpm incorrectly handled certain XPM files.
If a user or automated system were tricked into opening a specially
crafted
XPM file, a remote attacker could possibly use this issue to cause libXpm
to stop responding, resulting in a denial of service. (CVE-2022-44617)
Marco Ivaldi discovered that libXpm incorrectly handled certain XPM files.
If a user or automated system were tricked into opening a specially
crafted
XPM file, a remote attacker could possibly use this issue to cause libXpm
to stop responding, resulting in a denial of service. (CVE-2022-46285)
Alan Coopersmith discovered that libXpm incorrectly handled calling
external helper binaries. If libXpm was being used by a setuid binary, a
local attacker could possibly use this issue to escalate privileges.
(CVE-2022-4883)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 16.04 ESM:
libxpm4 1:3.5.11-1ubuntu0.16.04.1+esm1
xpmutils 1:3.5.11-1ubuntu0.16.04.1+esm1
After a standard system update you need to restart your session to make all
the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5807-2
https://ubuntu.com/security/notices/USN-5807-1
CVE-2022-44617, CVE-2022-46285, CVE-2022-4883
