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AUSCERT External Security Bulletin Redistribution
ESB-2023.3074
USN-6115-1: TeX Live vulnerability
31 May 2023
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AusCERT Security Bulletin Summary
---------------------------------
Product: LuaTeX (TeX Live)
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2023-32700
Original Bulletin:
https://ubuntu.com/security/notices/USN-6115-1
Comment: CVSS (Max): 7.8 CVE-2023-32700 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVSS Source: NVD
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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USN-6115-1: TeX Live vulnerability
30 May 2023
LuaTeX (TeX Live) could be made to run programs as your login if it compiled a
specially crafted TeX file.
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and
Universe repositories, and it is free for up to five machines.
Learn more about Ubuntu Pro
Releases
o Ubuntu 23.04
o Ubuntu 22.10
o Ubuntu 22.04 LTS
o Ubuntu 20.04 LTS
o Ubuntu 18.04 ESM
Packages
o texlive-bin - Binaries for TeX Live
Details
Max Chernoff discovered that LuaTeX (TeX Live) did not properly disable
shell escape. An attacker could possibly use this issue to execute
arbitrary shell commands.
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and
Universe repositories, and it is free for up to five machines.
Learn more about Ubuntu Pro
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 23.04
o texlive-binaries - 2022.20220321.62855-5ubuntu0.1
Ubuntu 22.10
o texlive-binaries - 2022.20220321.62855-4ubuntu0.1
Ubuntu 22.04
o texlive-binaries - 2021.20210626.59705-1ubuntu0.1
Ubuntu 20.04
o texlive-binaries - 2019.20190605.51237-3ubuntu0.1
Ubuntu 18.04
o texlive-binaries - 2017.20170613.44572-8ubuntu0.2
In general, a standard system update will make all the necessary changes.
References
o CVE-2023-32700
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