Description
Stack-based buffer overflow in the RtlQueryRegistryValues function in win32k.sys in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 allows local users to gain privileges, and bypass the User Account Control (UAC) feature, via a crafted REG_BINARY value for a SystemDefaultEUDCFont registry key, aka "Driver Improper Interaction with Windows Kernel 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.
Exploit-DB 1
- Microsoft Windows Vista/7 - Local Privilege Escalation (UAC Bypass) EDB-15609 · local · Nov 24, 2010 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- http://isc.sans.edu/diary.html?storyid=9988
- 45045 vdb-entry
- 15609 exploit
- http://nakedsecurity.sophos.com/2010/11/25/new-windows-zero-day-flaw-bypasses-uac/
- http://support.avaya.com/css/P8/documents/100127248
- ADV-2011-0324 vdb-entry
- http://www.exploit-db.com/bypassing-uac-with-user-privilege-under-windows-vista7-mirror/
- http://twitter.com/msftsecresponse/statuses/7590788200402945
- MS11-011 vendor-advisory
- 1025046 vdb-entry
- VU#529673 third-party-advisory
- 42356 third-party-advisory
- oval:org.mitre.oval:def:12162 vdb-entry signature