[USN-5378-1] Gzip vulnerability


========================================================================== Ubuntu Security Notice USN-5378-1 April 13, 2022
gzip vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 21.10 – Ubuntu 20.04 LTS – Ubuntu 18.04 LTS
Summary:
Gzip could be made to overwrite arbitrary files.
Software Description: – gzip: GNU compression utilities
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.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 21.10: gzip 1.10-4ubuntu1.1
Ubuntu 20.04 LTS: gzip 1.10-0ubuntu4.1
Ubuntu 18.04 LTS: gzip 1.6-5ubuntu1.2
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-5378-1 CVE-2022-1271
Package Information: launchpad.net/ubuntu/+source/gzip/1.10-4ubuntu1.1 launchpad.net/ubuntu/+source/gzip/1.10-0ubuntu4.1 launchpad.net/ubuntu/+source/gzip/1.6-5ubuntu1.2