National Cyber Awareness System
Vulnerability Summary for CVE-2010-5171
Original release date:08/25/2012
Last revised:08/27/2012
Source:
US-CERT/NIST
Overview
** DISPUTED ** Race condition in Outpost Security Suite Pro 6.7.3.3063.452.0726 and 7.0.3330.505.1221 BETA on Windows XP allows local users to bypass kernel-mode hook handlers, and execute dangerous code that would otherwise be blocked by a handler but not blocked by signature-based malware detection, via certain user-space memory changes during hook-handler execution, aka an argument-switch attack or a KHOBE attack. NOTE: this issue is disputed by some third parties because it is a flaw in a protection mechanism for situations where a crafted program has already begun to execute.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
10.0
Exploitability Subscore:
1.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: High
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
References to Advisories, Solutions, and Tools
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External Source: MISC
Name: http://www.theregister.co.uk/2010/05/07/argument_switch_av_bypass/
External Source: BID
Name: 39924
External Source: OSVDB
Name: 67660
External Source: MISC
Name: http://www.f-secure.com/weblog/archives/00001949.html
External Source: MISC
Name: http://matousec.com/info/articles/khobe-8.0-earthquake-for-windows-desktop-security-software.php
External Source: MISC
Name: http://matousec.com/info/advisories/khobe-8.0-earthquake-for-windows-desktop-security-software.php
External Source: MISC
Name: http://countermeasures.trendmicro.eu/you-just-cant-trust-a-drunk/
External Source: FULLDISC
Name: 20100505 KHOBE - 8.0 earthquake for Windows desktop security software
External Source: BUGTRAQ
Name: 20100505 KHOBE - 8.0 earthquake for Windows desktop security software