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Sophos Anti-Virus "NtCreateKey()" Hooked Function Denial of Service
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Secunia Advisory:
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SA29996
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Release Date:
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2008-04-29
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Critical:
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Not critical
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Impact:
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DoS
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Where:
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Local system
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Solution Status:
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Unpatched
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| Software: | Sophos Anti-Virus 7.x
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| | CVE reference: | CVE-2008-1737 (Secunia mirror)
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This advisory is currently marked as unpatched!
- Companies can be alerted when a patch is released! |
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Description:
Core Security Technologies has reported a vulnerability in Sophos Anti-Virus, which can be exploited by malicious, local users to cause a DoS (Denial of Service).
The vulnerability is caused due to an input validation error when handling arguments passed to the hooked SSDT function "NtCreateKey()". This can be exploited to cause a DoS by calling the affected function with specially crafted arguments.
Successful exploitation requires that the "Block suspicious behavior" detection is enabled.
The vulnerability affects version 7.x on Windows.
Solution:
The vendor is reportedly working on a fix.
Provided and/or discovered by:
Damian Saura, Anibal Sacco, Dario Menichelli, Norberto Kueffner, and Andres Blanco y Rodrigo Carvalho of Core Security Technologies
Original Advisory:
CORE-2008-0320:
http://www.coresecurity.com/index.php...ontentMod&action=item&id=2249
Sophos:
http://www.sophos.com/support/knowledgebase/article/37810.html
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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2 Related Secunia Security Advisories
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1. Sophos Anti-Virus Multiple Archive Detection Bypass
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2. Sophos Anti-Virus Archive Filename Script Insertion Vulnerability
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