pam_ssh 1.92 and possibly other versions, as used when PAM is compiled with USE=ssh, generates different error messages depending on whether the username is valid or invalid, which makes it easier for remote attackers to enumerate usernames.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Pam_ssh | Andrew_j.korty | 1.92 (including) | 1.92 (including) |
Libpam-ssh | Ubuntu | dapper | * |
Libpam-ssh | Ubuntu | gutsy | * |
Libpam-ssh | Ubuntu | hardy | * |
Libpam-ssh | Ubuntu | intrepid | * |
Libpam-ssh | Ubuntu | jaunty | * |
Libpam-ssh | Ubuntu | karmic | * |