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Ubuntu 24.04 LTS USN-7000-1 Critical: Expat Code Execution Risk

ubuntu
Calendar Grey September 12, 2024
Dist Ubuntu Esm H88
Maintain awareness of Expat security patches for Ubuntu to guarantee optimal system protection and functionality.
Several security issues were fixed in Expat.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: Several security issues were fixed in Expat. Software Description: - expat: XML parsing C library Details: Shang-Hung Wan discovered that Expat did not properly handle certain function calls when a negative input length was provided. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2024-45490) Shang-Hung Wan discovered that Expat did properly handle the potential for an integer overflow on 32-bit platforms. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2024-45491, CVE-2024-45492)

Topics%20covered

Topics Covered

security advisory denial of service code execution Ubuntu expat

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS   expat                           2.6.1-2ubuntu0.1   libexpat1                       2.6.1-2ubuntu0.1 Ubuntu 20.04 LTS   expat                           2.2.9-1ubuntu0.7   libexpat1                       2.2.9-1ubuntu0.7 Ubuntu 18.04 LTS   expat                           2.2.5-3ubuntu0.9+esm1                                   Available with Ubuntu Pro   libexpat1                       2.2.5-3ubuntu0.9+esm1                                   Available with Ubuntu Pro Ubuntu 16.04 LTS   expat                           2.1.0-7ubuntu0.16.04.5+esm9                                   Available with Ubuntu Pro   lib64expat1                     2.1.0-7ubuntu0.16.04.5+esm9                                   Available with Ubuntu Pro   libexpat1                       2.1.0-7ubuntu0.16.04.5+esm9                                   Available with Ubuntu Pro Ubuntu 14.04 LTS   expat                           2.1.0-4ubuntu1.4+esm9                                   Available with Ubuntu Pro   lib64expat1                     2.1.0-4ubuntu1.4+esm9                                   Available with Ubuntu Pro   libexpat1                       2.1.0-4ubuntu1.4+esm9                                   Available with Ubuntu Pro In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-7000-1

  CVE-2024-45490, CVE-2024-45491, CVE-2024-45492

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7000-1

Topics%20covered

Topics Covered

security advisory denial of service code execution Ubuntu expat

Package Information

  https://launchpad.net/ubuntu/+source/expat/2.6.1-2ubuntu0.1   https://launchpad.net/ubuntu/+source/expat/2.2.9-1ubuntu0.7

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