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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

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 certain TrueType fonts.

If a user or automated system were tricked into opening a specially crafted

TrueType font, a remote attacker could use this...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service remote exploit ubuntu security issues texlive

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
High
Critical

Ubuntu Security Notice USN-6695-1

Topics%20covered

Topics Covered

security advisory denial of service remote exploit ubuntu security issues texlive

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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