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BlackICE PC Protection "NtOpenSection()" Denial of Service
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Secunia Advisory:
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SA21710
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Release Date:
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2006-09-01
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Last Update:
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2006-09-08
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Popularity:
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9,081 views
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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: | BlackICE PC Protection 3.x
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| CVE reference: | CVE-2006-4541
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Description:
David Matousek has discovered a vulnerability in BlackICE PC Protection, which can be exploited by malicious, local users to cause a DoS (Denial of Service).
The vulnerability is cause due to an error in RapDrv.sys in the handling of the object attribute parameter in the "NtOpenSection()" API hook. This can be exploited to crash a vulnerable system via the "NtOpenSection()" API where the third parameter is set to NULL.
The vulnerability has been confirmed in version 3.6.cpn and has also been reported in versions 3.6.cpj and 3.6.cpiE. Other versions may also be affected.
Solution:
Grant only trusted users access to affected systems.
Provided and/or discovered by:
David Matousek
Changelog:
2006-09-08: Added CVE reference.
Original Advisory:
http://www.matousec.com/info/advisori...ion-of-arguments-of-NtOpenSection.php
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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