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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.

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Releases

Packages

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
Ubuntu 22.10
Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04

In general, a standard system update will make all the necessary changes.

References

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Further reading