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Home arrow SecurityAlert Database

Arrow  Topic :

ISS BlackICE PC Protection Insufficient validation of arguments of NtOpenSection Vulnerability


Arrow  SecurityAlert : 1512
Arrow  CVE : CVE-2006-4541
Arrow  SecurityRisk : Medium  Security Risk Medium  (About)
Arrow  Remote Exploit : Yes
Arrow  Local Exploit : No
Arrow  Exploit Available : Yes
Arrow  Credit : David Matousek (david matousec com)
Arrow  Published : 08.09.2006

Arrow  Affected Software : BlackICE PC Protection



Arrow  Advisory Content :  

Hello,

I would like to inform you about a vulnerability in BlackICE PC Protection
driver found by Matousec - Transparent security.

Description:

Hooking SSDT functions requires extra caution. SSDT function handlers are
executed in the kernel mode but their callers
are executed in the user mode. Hence all function arguments come from the
user mode. This is why it is necessary to
validate these arguments properly. Otherwise a simple user call can easily
crash the whole system. This bug usually
results in a system crash. However, it may happen that this bug is even
more dangerous and can lead to the execution of
an arbitrary code in the privileged kernel mode.

BlackICE fails to validate the third argument of NtOpenSection. A call with
invalid values in this argument can cause a
system crash because of an error in RapDrv.sys.

Vulnerable software:

* BlackICE PC Protection 3.6.cpn
* BlackICE PC Protection 3.6.cpj
* BlackICE PC Protection 3.6.cpiE
* probably all versions of BlackICE PC Protection 3.6
* possibly older versions

More details and a proof of concept including source code is available
here:
http://www.matousec.com/info/advisories/BlackICE-Insufficient-validation
-of-arguments-of-NtOpenSection.php

Regards,

--
David Matousek

Founder and Chief Representative of Matousec - Transparent security
http://www.matousec.com/




Arrow  Feedback :

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