scponlyc in scponly 4.1 and earlier, when the operating system supports LD_PRELOAD mechanisms, allows local users to execute arbitrary code with root privileges by creating a chroot directory in their home directory, hard linking to a system setuid application, and using a modified LD_PRELOAD to modify expected function calls in the setuid application.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Scponly | Scponly | 3.1 (including) | 3.1 (including) |
| Scponly | Scponly | 3.2 (including) | 3.2 (including) |
| Scponly | Scponly | 3.3 (including) | 3.3 (including) |
| Scponly | Scponly | 3.4 (including) | 3.4 (including) |
| Scponly | Scponly | 3.6 (including) | 3.6 (including) |
| Scponly | Scponly | 3.7 (including) | 3.7 (including) |
| Scponly | Scponly | 3.8 (including) | 3.8 (including) |
| Scponly | Scponly | 3.9 (including) | 3.9 (including) |
| Scponly | Scponly | 3.11 (including) | 3.11 (including) |
| Scponly | Scponly | 4.0 (including) | 4.0 (including) |
| Scponly | Scponly | 4.1 (including) | 4.1 (including) |
| Scponly | Ubuntu | dapper | * |
| Scponly | Ubuntu | devel | * |
| Scponly | Ubuntu | edgy | * |
| Scponly | Ubuntu | feisty | * |
References
- http://secunia.com/advisories/18223
- http://secunia.com/advisories/18236
- http://secunia.com/advisories/18829
- http://sublimation.org/scponly/#relnotes
- http://www.debian.org/security/2006/dsa-969
- http://www.gentoo.org/security/en/glsa/glsa-200512-17.xml
- http://www.securityfocus.com/bid/16051
- https://exchange.xforce.ibmcloud.com/vulnerabilities/23874
- http://secunia.com/advisories/18223
- http://secunia.com/advisories/18236
- http://secunia.com/advisories/18829
- http://sublimation.org/scponly/#relnotes
- http://www.debian.org/security/2006/dsa-969
- http://www.gentoo.org/security/en/glsa/glsa-200512-17.xml
- http://www.securityfocus.com/bid/16051
- https://exchange.xforce.ibmcloud.com/vulnerabilities/23874