National Vulnerability Database (NVD) National Vulnerability Database (CVE-2007-5086)

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Last updated: Sat May 25 22:36:29 EDT 2013

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Vulnerability Summary for CVE-2007-5086

Original release date:09/26/2007

Last revised:03/08/2011

Source: US-CERT/NIST

Overview

Kaspersky Anti-Virus (KAV) and Internet Security 7.0 build 125 do not properly validate certain parameters to System Service Descriptor Table (SSDT) and Shadow SSDT function handlers, which allows local users to cause a denial of service (crash) via the (1) NtUserSendInput, (2) LoadLibraryA, (3) NtOpenProcess, (4) NtOpenThread, (5) NtTerminateProcess, (6) NtUserFindWindowEx, and (7) NtUserBuildHwndList kernel SSDT hooks in kylif.sys; the (8) NtDuplicateObject (DuplicateHandle) kernel SSDT hook; and possibly other kernel SSDT hooks. NOTE: the NtCreateSection vector is covered by CVE-2007-5043.1. NOTE: the vendor disputes that the DuplicateHandle vector is a vulnerability in their code, stating that "it is not an error in our code, but an obscure method for manipulating standard Windows routines to circumvent our self-defense mechanisms."

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:2.1 (LOW) (AV:L/AC:L/Au:N/C:N/I:N/A:P) (legend)

Impact Subscore: 2.9

Exploitability Subscore: 3.9

CVSS Version 2 Metrics:

Access Vector: Locally exploitable

Access Complexity: Low

Authentication: Not required to exploit

Impact Type:Allows disruption of serviceUnknown

References to Advisories, Solutions, and Tools

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External Source: VUPEN

Name: ADV-2007-3259

Hyperlink:http://www.vupen.com/english/advisories/2007/3259

External Source: MISC

Name: http://www.rootkit.com/newsread.php?newsid=778

Hyperlink:http://www.rootkit.com/newsread.php?newsid=778

External Source: CONFIRM

Name: http://www.kaspersky.com/technews?id=203038706

Hyperlink:http://www.kaspersky.com/technews?id=203038706

External Source: SECUNIA

Name: 26887

Type: Advisory