A certain debugging component in IBM AIX 5.3 and 6.1 does not properly handle the (1) _LIB_INIT_DBG and (2) _LIB_INIT_DBG_FILE environment variables, which allows local users to gain privileges by leveraging a setuid-root program to create an arbitrary root-owned file with world-writable permissions, related to libC.a (aka the XL C++ runtime library) in AIX 5.3 and libc.a in AIX 6.1.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Aix | Ibm | 5.3 (including) | 5.3 (including) |
| Aix | Ibm | 6.1 (including) | 6.1 (including) |
References
- http://aix.software.ibm.com/aix/efixes/security/libC_advisory.asc
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=815
- http://secunia.com/advisories/36156
- http://www.ibm.com/support/docview.wss?uid=isg1IZ54090
- http://www.ibm.com/support/docview.wss?uid=isg1IZ54091
- http://www.ibm.com/support/docview.wss?uid=isg1IZ54593
- http://www.ibm.com/support/docview.wss?uid=isg1IZ56203
- http://www.ibm.com/support/docview.wss?uid=isg1IZ56204
- http://www.ibm.com/support/docview.wss?uid=isg1IZ56205
- http://www.ibm.com/support/docview.wss?uid=isg1IZ56206
- http://www.securityfocus.com/bid/35934
- http://www.vupen.com/english/advisories/2009/2151
- http://aix.software.ibm.com/aix/efixes/security/libC_advisory.asc
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=815
- http://secunia.com/advisories/36156
- http://www.ibm.com/support/docview.wss?uid=isg1IZ54090
- http://www.ibm.com/support/docview.wss?uid=isg1IZ54091
- http://www.ibm.com/support/docview.wss?uid=isg1IZ54593
- http://www.ibm.com/support/docview.wss?uid=isg1IZ56203
- http://www.ibm.com/support/docview.wss?uid=isg1IZ56204
- http://www.ibm.com/support/docview.wss?uid=isg1IZ56205
- http://www.ibm.com/support/docview.wss?uid=isg1IZ56206
- http://www.securityfocus.com/bid/35934
- http://www.vupen.com/english/advisories/2009/2151