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AUSCERT External Security Bulletin Redistribution
ESB-2024.1617
USN-6695-1: TeX Live vulnerabilities
15 March 2024
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AusCERT Security Bulletin Summary
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Product: TeX Live
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2023-32668 CVE-2024-25262 CVE-2019-18604
Original Bulletin:
https://ubuntu.com/security/notices/USN-6695-1
Comment: CVSS (Max): 9.8* CVE-2019-18604 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: Ubuntu
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
* Not all CVSS available when published
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USN-6695-1: TeX Live vulnerabilities
14 March 2024
Several security issues were fixed in TeX Live.
Releases
o Ubuntu 23.10
o Ubuntu 22.04 LTS
o Ubuntu 20.04 LTS
Packages
o 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 issue to cause TeX Live to
crash, resulting in a denial of service, or possibly execute arbitrary
code. ( CVE-2024-25262 )
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 23.10
o texlive-binaries - 2023.20230311.66589-6ubuntu0.1
o texlive-binaries-sse2 - 2023.20230311.66589-6ubuntu0.1
Ubuntu 22.04
o texlive-binaries - 2021.20210626.59705-1ubuntu0.2
Ubuntu 20.04
o texlive-binaries - 2019.20190605.51237-3ubuntu0.2
In general, a standard system update will make all the necessary changes.
References
o CVE-2024-25262
o CVE-2019-18604
o CVE-2023-32668
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