Advisories » MGASA-2021-0056

Updated sudo packages fix security vulnerability

Publication date: 27 Jan 2021
Modification date: 27 Jan 2021
Type: security
Affected Mageia releases : 7
CVE: CVE-2021-3156

Description

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). 
                

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