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Ubuntu 23.04 USN-6408-1: Risk of Denial of Service via LibXpm

ubuntu
Calendar Grey October 3, 2023
Dist Ubuntu Esm H88
Numerous security flaws in libXpm impact various versions of Ubuntu, underscoring potential denial of service threats.
Several security issues were fixed in libXpm.

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...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service update instructions ubuntu attack vector memory consumption libxpm

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

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6408-1

Topics%20covered

Topics Covered

security advisory denial of service update instructions ubuntu attack vector memory consumption libxpm

Package Information

https://launchpad.net/ubuntu/+source/libxpm/1:3.5.12-1.1ubuntu0.1
https://launchpad.net/ubuntu/+source/libxpm/1:3.5.12-1ubuntu0.22.04.2
https://launchpad.net/ubuntu/+source/libxpm/1:3.5.12-1ubuntu0.20.04.2

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