Actively exploited in the wild
Microsoft Windows Kernel Exception Handler Vulnerability
Microsoft - Windows · Listed in the CISA KEV since 2022-03-03. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2010-0232
HighCVSS 7.8KEVSummary
Podatność w jądrze systemu Microsoft Windows NT 3.1 do Windows 7, w tym Windows 2000 SP4, Windows XP SP2 i SP3, Windows Server 2003 SP2, Windows Vista oraz Windows Server 2008, pozwala lokalnym użytkownikom na uzyskanie uprawnień poprzez manipulację strukturą danych VDM_TIB w bloku środowiskowym wątku (TEB) i wywołanie funkcji NtVdmControl. To prowadzi do niewłaściwego obsługiwania wyjątków związanych z obsługą pułapki #GP.
Risk Assessment
Ryzyko związane z tą podatnością polega na możliwości uzyskania przez lokalnych użytkowników wyższych uprawnień, co może prowadzić do nieautoryzowanego dostępu do systemu i danych. Może to zagrażać integralności i poufności informacji w organizacji.
Recommendation
Zaleca się aktualizację systemów operacyjnych do najnowszych wersji, które eliminują tę podatność oraz ograniczenie dostępu do 16-bitowych aplikacji na platformach 32-bitowych. Dodatkowo, monitorowanie i audytowanie dostępu do systemów mogą pomóc w wykrywaniu nieautoryzowanych prób eskalacji uprawnień.
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Original NVD description (English source)
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."
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

