Description
The Trace Events functionality in the kernel in Microsoft Windows XP SP3 does not properly perform type conversion, which causes integer truncation and insufficient memory allocation and triggers a buffer overflow, which allows local users to gain privileges via a crafted application, related to WmiTraceMessageVa, aka "Windows Kernel Integer Truncation Vulnerability."
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
- Microsoft Windows XP - WmiTraceMessageVa Integer Truncation (PoC) (MS11-011) EDB-16262 · dos · Mar 1, 2011 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- oval:org.mitre.oval:def:11996 vdb-entry signature
- 46136 vdb-entry
- 8110 third-party-advisory
- http://support.avaya.com/css/P8/documents/100127248
- ADV-2011-0324 vdb-entry
- ms-win-kernel-privilege-escalation(64926) vdb-entry
- MS11-011 vendor-advisory
- 1025046 vdb-entry
- 70823 vdb-entry
- http://www.zerodayinitiative.com/advisories/ZDI-11-064
- 20110208 ZDI-11-064: Microsoft Windows WmiTraceMessageVa Local Kernel Vulnerability mailing-list