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USN-4844-1: Cinnamon vulnerability

15 March 2021

Cinnamon could be made to overwrite files as root.

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Releases

Packages

  • cinnamon - Innovative and comfortable desktop

Details

Matthias Gerstner discovered that the cinnamon-settings-users utility in
Cinnamon did not safely handle symlinks. An unprivileged attacker could
potentially use this vulnerability to overwrite arbitrary files as root.

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 18.04
Ubuntu 16.04

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

References

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Further reading