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
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[oss-security] 20110111 CVE request: sudo does not ask for password on GID changes
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