The (1) ncpmount, (2) ncpumount, and (3) ncplogin programs in ncpfs 2.2.6 do not properly create lock files, which allows local users to cause a denial of service (application failure) via unspecified vectors that trigger the creation of a /etc/mtab~ file that persists after the program exits.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ncpfs | Ncpfs | 2.2.6 (including) | 2.2.6 (including) |
| Ncpfs | Ubuntu | dapper | * |
| Ncpfs | Ubuntu | hardy | * |
| Ncpfs | Ubuntu | intrepid | * |
| Ncpfs | Ubuntu | jaunty | * |
| Ncpfs | Ubuntu | karmic | * |
References
- http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html
- http://seclists.org/fulldisclosure/2010/Mar/122
- http://www.securityfocus.com/archive/1/509893/100/0/threaded
- http://www.securityfocus.com/archive/1/509894/100/0/threaded
- http://www.securityfocus.com/bid/38563
- http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html
- http://seclists.org/fulldisclosure/2010/Mar/122
- http://www.securityfocus.com/archive/1/509893/100/0/threaded
- http://www.securityfocus.com/archive/1/509894/100/0/threaded
- http://www.securityfocus.com/bid/38563