Description
Integer signedness error in the authentication functionality in librpc.dll in the Informix Storage Manager (ISM) Portmapper service (aka portmap.exe), as used in IBM Informix Dynamic Server (IDS) 10.x before 10.00.TC9 and 11.x before 11.10.TC3 and EMC Legato NetWorker, allows remote attackers to execute arbitrary code via a crafted parameter size that triggers a stack-based buffer overflow.
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
- Multiple Vendor 'librpc.dll' Signedness Error - Remote Code Execution EDB-12109 · dos · Apr 8, 2010 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 38731 third-party-advisory
- 20100301 ZDI-10-023: Multiple Vendor librpc.dll Signedness Error Remote Code Execution Vulnerability mailing-list
- ADV-2010-0508 vdb-entry
- IC55329 vendor-advisory
- IC55330 vendor-advisory
- http://www.zerodayinitiative.com/advisories/ZDI-10-023
- ibm-ids-portmap-bo(56586) vdb-entry
- ADV-2010-0509 vdb-entry
- http://knowledgebase.emc.com/emcice/login.do?sType=ax1990&sName=1204&id=emc183834
- 38472 vdb-entry