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Ubuntu Security Notice USN-5807-1

Ubuntu Security Notice USN-5807-1
Posted Jan 18, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5807-1 - 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. 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.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2022-44617, CVE-2022-46285, CVE-2022-4883
SHA-256 | e1de9f68822448486e9a30c411c9bff69ec6ebfad7e02d2b2d311e75c7cca79f

Ubuntu Security Notice USN-5807-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-5807-1
January 17, 2023

libxpm vulnerabilities
==========================================================================

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

- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in libXpm.

Software Description:
- libxpm: X11 pixmap library

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 22.10:
libxpm4 1:3.5.12-1ubuntu0.22.10.1

Ubuntu 22.04 LTS:
libxpm4 1:3.5.12-1ubuntu0.22.04.1

Ubuntu 20.04 LTS:
libxpm4 1:3.5.12-1ubuntu0.20.04.1

Ubuntu 18.04 LTS:
libxpm4 1:3.5.12-1ubuntu0.18.04.2

After a standard system update you need to restart your session to make all
the necessary changes.

References:
https://ubuntu.com/security/notices/USN-5807-1
CVE-2022-44617, CVE-2022-46285, CVE-2022-4883

Package Information:
https://launchpad.net/ubuntu/+source/libxpm/1:3.5.12-1ubuntu0.22.10.1
https://launchpad.net/ubuntu/+source/libxpm/1:3.5.12-1ubuntu0.22.04.1
https://launchpad.net/ubuntu/+source/libxpm/1:3.5.12-1ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/libxpm/1:3.5.12-1ubuntu0.18.04.2
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