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.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Sudo | Todd_miller | 1.7.0 (including) | 1.7.0 (including) |
| Sudo | Todd_miller | 1.7.1 (including) | 1.7.1 (including) |
| Sudo | Todd_miller | 1.7.2 (including) | 1.7.2 (including) |
| Sudo | Todd_miller | 1.7.2p1 (including) | 1.7.2p1 (including) |
| Sudo | Todd_miller | 1.7.2p2 (including) | 1.7.2p2 (including) |
| Sudo | Todd_miller | 1.7.2p3 (including) | 1.7.2p3 (including) |
| Sudo | Todd_miller | 1.7.2p4 (including) | 1.7.2p4 (including) |
| Sudo | Todd_miller | 1.7.2p5 (including) | 1.7.2p5 (including) |
| Sudo | Todd_miller | 1.7.2p6 (including) | 1.7.2p6 (including) |
| Sudo | Todd_miller | 1.7.2p7 (including) | 1.7.2p7 (including) |
| Sudo | Todd_miller | 1.7.3b1 (including) | 1.7.3b1 (including) |
| Sudo | Todd_miller | 1.7.4 (including) | 1.7.4 (including) |
| Sudo | Todd_miller | 1.7.4p1 (including) | 1.7.4p1 (including) |
| Sudo | Todd_miller | 1.7.4p2 (including) | 1.7.4p2 (including) |
| Sudo | Todd_miller | 1.7.4p3 (including) | 1.7.4p3 (including) |
| Sudo | Todd_miller | 1.7.4p4 (including) | 1.7.4p4 (including) |