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USN-5033-1: Perl vulnerability

9 August 2021

Perl could be made to run arbitrary programs.

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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.

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Releases

Packages

  • perl - Practical Extraction and Report Language

Details

It was discovered that the Perl Encode library incorrectly handled paths. A
local attacker could possibly use this issue to trick the library into
executing arbitrary code from the current working directory.

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 21.04

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

References