passwd command in shadow in Ubuntu 5.04 through 6.06 LTS, when called with the -f, -g, or -s flag, does not check the return code of a setuid call, which might allow local users to gain root privileges if setuid fails in cases such as PAM failures or resource limits.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ubuntu_linux | Ubuntu | 5.04 (including) | 5.04 (including) |
| Ubuntu_linux | Ubuntu | 5.10 (including) | 5.10 (including) |
| Ubuntu_linux | Ubuntu | 6.06_lts (including) | 6.06_lts (including) |
| Shadow | Ubuntu | dapper | * |
| Shadow | Ubuntu | devel | * |
| Shadow | Ubuntu | edgy | * |
| Shadow | Ubuntu | feisty | * |