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.
Affected Software
| 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 | * |
References
- http://secunia.com/advisories/20950
- http://secunia.com/advisories/20966
- http://secunia.com/advisories/21480
- http://www.debian.org/security/2006/dsa-1150
- http://www.osvdb.org/26995
- http://www.securityfocus.com/bid/18850
- http://www.ubuntu.com/usn/usn-308-1
- http://secunia.com/advisories/20950
- http://secunia.com/advisories/20966
- http://secunia.com/advisories/21480
- http://www.debian.org/security/2006/dsa-1150
- http://www.osvdb.org/26995
- http://www.securityfocus.com/bid/18850
- http://www.ubuntu.com/usn/usn-308-1