CVE-2010-0232 Microsoft Windows Kernel Exception Handler
Local attackers can gain privileges by exploiting improper validation of BIOS calls in the Windows kernel when 16-bit application support is enabled.
- Exploited in the wild
- Since 3 Mar 2022
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2010-0232?
CVE-2010-0232 is a high-severity vulnerability in Microsoft Windows 2000, published on 21 Jan 2010. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The kernel in Microsoft Windows NT 3.1 through Windows 7, including Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, and Windows Server 2008 Gold and SP2, when access to 16-bit applications is enabled on a 32-bit x86 platform, does not properly validate certain BIOS calls, which allows local users to gain privileges by crafting a VDM_TIB data structure in the Thread Environment Block (TEB), and then calling the NtVdmControl function to start the Windows Virtual DOS Machine (aka NTVDM) subsystem, leading to improperly handled exceptions involving the #GP trap handler (nt!KiTrap0D), aka "Windows Kernel Exception Handler Vulnerability."
Which versions are affected by CVE-2010-0232?
It affects 3 products.
Products include Microsoft Windows 2000, Microsoft Windows 7, Microsoft Windows Xp.
How do I fix CVE-2010-0232?
No fix has been published for CVE-2010-0232 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 24 Mar 2022.
Is CVE-2010-0232 being exploited?
Yes. Attackers have exploited CVE-2010-0232 in the wild since at least 3 Mar 2022.
Public exploit code: 1 Metasploit module, 1 Exploit-DB entry and 1 proofs of concept on GitHub.
Other vulnerabilities in Microsoft Windows 2000
Sources
Also known as GHSA-xprh-x7hf-54qr.