Ubuntu alert USN-6408-1 (libxpm)

From:
             
 
Marc Deslauriers <marc.deslauriers@canonical.com>
To:
             
 
"ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com>
Subject:
             
 
[USN-6408-1] libXpm vulnerabilities
Date:
             
 
Tue, 03 Oct 2023 15:40:39 -0400
Message-ID:
             
 
<33e58b96-b429-6c95-e03b-9d1cf33caa45@canonical.com>
==========================================================================
Ubuntu Security Notice USN-6408-1
October 03, 2023

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

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

- Ubuntu 23.04
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in libXpm.

Software Description:
- libxpm: X11 pixmap library

Details:

Yair Mizrahi discovered that libXpm incorrectly handled certain malformed
XPM image files. If a user were tricked into opening a specially crafted
XPM image file, a remote attacker could possibly use this issue to consume
memory, leading to a denial of service. (CVE-2023-43786)

Yair Mizrahi discovered that libXpm incorrectly handled certain malformed
XPM image files. If a user were tricked into opening a specially crafted
XPM image file, a remote attacker could use this issue to cause libXpm to
crash, leading to a denial of service, or possibly execute arbitrary code.
(CVE-2023-43787)

Alan Coopersmith discovered that libXpm incorrectly handled certain
malformed XPM image files. If a user were tricked into opening a specially
crafted XPM image file, a remote attacker could possibly use this issue to
cause libXpm to crash, leading to a denial of service. (CVE-2023-43788,
CVE-2023-43789)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 23.04:
   libxpm4                         1:3.5.12-1.1ubuntu0.1

Ubuntu 22.04 LTS:
   libxpm4                         1:3.5.12-1ubuntu0.22.04.2

Ubuntu 20.04 LTS:
   libxpm4                         1:3.5.12-1ubuntu0.20.04.2

After a standard system update you need to reboot your computer to make all
the necessary changes.

References:
   https://ubuntu.com/security/notices/USN-6408-1
   CVE-2023-43786, CVE-2023-43787, CVE-2023-43788, CVE-2023-43789

Package Information:
   https://launchpad.net/ubuntu/+source/libxpm/1:3.5.12-1.1u...
   https://launchpad.net/ubuntu/+source/libxpm/1:3.5.12-1ubu...
   https://launchpad.net/ubuntu/+source/libxpm/1:3.5.12-1ubu...