[USN-5179-2] BusyBox vulnerability


========================================================================== Ubuntu Security Notice USN-5179-2 May 10, 2022
busybox vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 16.04 ESM
Summary:
BusyBox could be made to crash or run programs if it received specially crafted input.
Software Description: – busybox: Tiny utilities for small and embedded systems
Details:
USN-5179-1 fixed vulnerabilities in BusyBox. This update provides the corresponding updates for Ubuntu 16.04 ESM.
Original advisory details:
 It was discovered that BusyBox incorrectly handled certain malformed gzip  archives. If a user or automated system were tricked into processing a  specially crafted gzip archive, a remote attacker could use this issue to  cause BusyBox to crash, resulting in a denial of service, or possibly  execute arbitrary code. (CVE-2021-28831)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04 ESM:   busybox                         1:1.22.0-15ubuntu1.4+esm1   busybox-initramfs               1:1.22.0-15ubuntu1.4+esm1   busybox-static                  1:1.22.0-15ubuntu1.4+esm1
In general, a standard system update will make all the necessary changes.
References:   ubuntu.com/security/notices/USN-5179-2   ubuntu.com/security/notices/USN-5179-1   CVE-2021-28831