Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

USN-7030-1: py7zr vulnerability

24 September 2024

py7zr could be made to create arbitrary files when extracting the contents of a specially crafted 7z archive.

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

Packages

  • py7zr - Pure Python 7-zip library

Details

It was discovered that py7zr was vulnerable to path traversal attacks.
If a user or automated system were tricked into extracting a specially
crafted 7z archive, an attacker could possibly use this issue to write
arbitrary files outside the target directory on the host.

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 22.04

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

References