The IsHandleEntrySecure function in win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2008 SP2 does not properly validate the tagPROCESSINFO pW32Job field, which allows local users to cause a denial of service (NULL pointer dereference and system crash) via a crafted NtUserValidateHandleSecure call for an owned object. NOTE: the vendor reportedly disputes the significance of this report, stating that "it appears to be a local DOS ... we don't consider it a security vulnerability.
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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T17:53:45.925Z

Reserved: 2013-12-06T00:00:00

Link: CVE-2013-6999

cve-icon Vulnrichment

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cve-icon NVD

Status : Deferred

Published: 2013-12-07T01:55:02.920

Modified: 2025-04-11T00:51:21.963

Link: CVE-2013-6999

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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