USN-5378-4: Gzip vulnerability
13 April 2022
Gzip could be made to overwrite arbitrary files.
- gzip - GNU compression utilities
USN-5378-1 fixed a vulnerability in Gzip. This update provides
the corresponding update for Ubuntu 14.04 ESM and 16.04 ESM.
Original advisory details:
Cleemy Desu Wayo discovered that Gzip incorrectly handled certain
filenames. If a user or automated system were tricked into performing zgrep
operations with specially crafted filenames, a remote attacker could
overwrite arbitrary files.
The problem can be corrected by updating your system to the following package versions:
In general, a standard system update will make all the necessary changes.