View at Official ubuntu advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2011-0010 medium priority: Ubuntu including 1 source packages (sudo), 6 status rows across 6 suites (dapper, hardy, karmic, lucid, maverick, upstream): released 4, not-affected 2.
check.c in sudo 1.7.x before 1.7.4p5, when a Runas group is configured, does not require a password for command execution that involves a gid change but no uid change, which allows local users to bypass an intended authentication requirement via the -g option to a sudo command.