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Ubuntu 23.10: USN-6695-1 Critical: TeX Live Denial of Service

ubuntu
Calendar Grey March 14, 2024
Dist Ubuntu Esm H88
Tackling TeX Live security flaws in Ubuntu, with focus on denial of service attacks and potential remote exploitation threats.
Several security issues were fixed in TeX Live.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: Several security issues were fixed in TeX Live. Software Description: - texlive-bin: Binaries for TeX Live Details: It was discovered that TeX Live incorrectly handled certain memory operations in the embedded axodraw2 tool. An attacker could possibly use this issue to cause TeX Live to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2019-18604) It was discovered that TeX Live allowed documents to make arbitrary network requests. If a user or automated system were tricked into opening a specially crafted document, a remote attacker could possibly use this issue to exfiltrate sensitive information, or perform other network-related attacks. This issue only affected Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS. (CVE-2023-32668) It was discovered that TeX Live incorrectly handled certa...

Read the Full Advisory

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10: texlive-binaries 2023.20230311.66589-6ubuntu0.1 texlive-binaries-sse2 2023.20230311.66589-6ubuntu0.1 Ubuntu 22.04 LTS: texlive-binaries 2021.20210626.59705-1ubuntu0.2 Ubuntu 20.04 LTS: texlive-binaries 2019.20190605.51237-3ubuntu0.2 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6695-1

CVE-2019-18604, CVE-2023-32668, CVE-2024-25262

Severity
critical
Lowest
Low
Medium
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Critical

Ubuntu Security Notice USN-6695-1

Package Information

https://launchpad.net/ubuntu/+source/texlive-bin/2023.20230311.66589-6ubuntu0.1 https://launchpad.net/ubuntu/+source/texlive-bin/2021.20210626.59705-1ubuntu0.2

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