BSOD in Win 2k3, Vista x86 and x64 by nonpriviledged user

2008.11.13

Credit: support killprog com

Risk: Low

Local: Yes

Remote: No

CVE: CVE-2008-5044

CWE: CWE-362

Ogólna skala CVSS: 4/10

Znaczenie: 6.9/10

Łatwość wykorzystania: 1.9/10

Wymagany dostęp: Lokalny

Złożoność ataku: Wysoka

Autoryzacja: Nie wymagana

Wpływ na poufność: Brak

Wpływ na integralność: Brak

Wpływ na dostępność: Pełny

BSOD or hard system hang due to race condition in win32k. sys code that processes UnhookWindowsHookEx. Reproduced when thread calls many times UnhookWindowsHookEx in the same time with switching active windows desktop object (SwitchDesktop) from desktop where hooks are unhooked and broadcasting windows messages to windows on that desktop. Sample exploit code can be downloaded from: http://killprog.com/whk.zip Works on Win'2k3 and Vista. XP seems to be immune to this.

Referencje:

http://www.securityfocus.com/bid/32206

http://www.securityfocus.com/archive/1/archive/1/498165/100/0/threaded

http://killprog.com/whk.zip

See this note in RAW Version

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BSOD in Win 2k3, Vista x86 and x64 by nonpriviledged user

Referencje:

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