sudo: Multiple vulnerabilities — GLSA 202101-33

Multiple vulnerabilities have been found in sudo, the worst of which could result in privilege escalation.

Affected packages

app-admin/sudo on all architectures
Affected versions < 1.9.5_p2
Unaffected versions >= 1.9.5_p2

Background

sudo (su “do”) allows a system administrator to delegate authority to give certain users (or groups of users) the ability to run some (or all) commands as root or another user while providing an audit trail of the commands and their arguments.

Description

Multiple vulnerabilities have been discovered in sudo. Please review the CVE identifiers referenced below for details.

Impact

Local users are able to gain unauthorized privileges on the system or determine the existence of files.

Workaround

There is no known workaround at this time.

Resolution

All sudo users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-admin/sudo-1.9.5_p2"
 

References

Release date
January 26, 2021

Latest revision
January 26, 2021: 1

Severity
high

Exploitable
local

Bugzilla entries