Description
Race condition in Microsoft Windows Server 2003 and Vista allows local users to cause a denial of service (crash or hang) via a multi-threaded application that makes many calls to UnhookWindowsHookEx while certain other desktop activity is occurring.
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 Vista/2003 - 'UnhookWindowsHookEx' Local Denial of Service EDB-32573 · dos · Nov 9, 2008 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- win-unhookwindowshookex-dos(46506) vdb-entry
- 32206 vdb-entry
- 20081109 BSOD in Win'2k3, Vista x86 and x64 by nonpriviledged user mailing-list
- 4576 third-party-advisory
- http://killprog.com/whk.zip