Mageia 2021-0056: sudo security update

A serious heap-based buffer overflow has been discovered in sudo that is exploitable by any local user. It has been given the name Baron Samedit by its discoverer. The bug can be leveraged to elevate privileges to root, even if the user is not listed in the sudoers file. User authentication is not required to exploit the bug (CVE-2021-3156).

MGASA-2021-0056 - Updated sudo packages fix security vulnerability

Publication date: 27 Jan 2021
URL: https://advisories.mageia.org/MGASA-2021-0056.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2021-3156

A serious heap-based buffer overflow has been discovered in sudo that is
exploitable by any local user. It has been given the name Baron Samedit
by its discoverer. The bug can be leveraged to elevate privileges to
root, even if the user is not listed in the sudoers file. User
authentication is not required to exploit the bug (CVE-2021-3156). 
Advisory text to describe the update.
Wrap lines at ~75 chars.

References:
- https://bugs.mageia.org/show_bug.cgi?id=28230
- https://www.sudo.ws/alerts/unescape_overflow.html
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3156

SRPMS:
- 7/core/sudo-1.9.5p2-1.mga7