CVE-2009-0034: Gratisoft Sudo

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

parse.c in sudo 1.6.9p17 through 1.6.9p19 does not properly interpret a system group (aka %group) in the sudoers file during authorization decisions for a user who belongs to that group, which allows local users to leverage an applicable sudoers file and gain root privileges via a sudo command.

Affected products

• Gratisoft Sudo: version 1.6.9 only
• VMware Esx: version 4.0 only

Published 2009-01-30. Last modified 2026-06-16.