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Ubuntu 18.04 LTS: USN-6408-2 Critical: LibXpm Denial of Service

ubuntu
Calendar Grey October 23, 2023
Dist Ubuntu Esm H88
Essential patch for Ubuntu targeting libXpm vulnerabilities, eliminating risks of Denial of Service and potential arbitrary code execution threats.
Several security issues were fixed in libXpm.

Summary

Several security issues were fixed in libXpm.

Software Description:

- libxpm: X11 pixmap library

Details:

USN-6408-1 fixed several vulnerabilities in libXpm. This update provides

the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Original advisory 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....

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service code execution ubuntu memory consumption libxpm malformed files

Update Instructions

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

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
  libxpm4                         1:3.5.12-1ubuntu0.18.04.2+esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
  libxpm4                         1:3.5.11-1ubuntu0.16.04.1+esm2

Ubuntu 14.04 LTS (Available with Ubuntu Pro):
  libxpm4                         1:3.5.10-1ubuntu0.1+esm2

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

References

https://ubuntu.com/security/notices/USN-6408-2

https://ubuntu.com/security/notices/USN-6408-1

CVE-2023-43786, CVE-2023-43787, CVE-2023-43788, CVE-2023-43789

Severity
critical
Lowest
Low
Medium
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Critical

Ubuntu Security Notice USN-6408-2

Topics%20covered

Topics Covered

security advisory denial of service code execution ubuntu memory consumption libxpm malformed files

Package Information

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