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Ubuntu Security Notice USN-5807-1 ≈ Mobile Hacker For Hire

Table of Contents

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Ubuntu Security Notice USN-5807-1
January 17, 2023

libxpm vulnerabilities
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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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