Description
The malloc subsystem in libc in IBM AIX 5.3 and 6.1 allows local users to create or overwrite arbitrary files via a symlink attack on the log file associated with the MALLOCDEBUG environment variable.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Kingsoft Webshield 1.1.0.62 - Cross-Site Scripting / Remote Command Execution EDB-33001 · webapps · May 20, 2009 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- http://aix.software.ibm.com/aix/efixes/security/libc_advisory.asc
- IZ50445 vendor-advisory
- oval:org.mitre.oval:def:6276 vdb-entry signature
- IZ50447 vendor-advisory
- 54617 vdb-entry
- IZ50121 vendor-advisory
- 20090520 IBM AIX libc MALLOCDEBUG File Overwrite Vulnerability third-party-advisory
- 35034 vdb-entry
- 9306 exploit
- 1022261 vdb-entry
- ADV-2009-1380 vdb-entry
- aix-mallocdebug-privilege-escalation(50636) vdb-entry
- IZ50517 vendor-advisory
- 35146 third-party-advisory
- IZ50500 vendor-advisory
- IZ50129 vendor-advisory
- IZ50139 vendor-advisory