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| Subject: | [48bits] Advisory : Multiple vulnerabilities in Norman NVC 5.82 driver |
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| Date: | Fri, 31 Aug 2007 00:07:34 +0200 |
Abstract: There are multiple bugs in nvcoaft51 driver from Norman products. These bugs could be locally exploited by a malicious user in order to gain unlimited access to the system. Nvcoaft51 driver creates a device named NvcOa without a restrictive security descriptor, so any user can open it and send control codes directly to the device driver. Arbitrary code execution at kernel mode is possible because the code that manages IOCTL's is not bug free. Detailed information and proof of concept exploit code of a tricky kernel pool overflow can be downloaded here : http://www.48bits.com/exploits/nvc.rar Cheers, InocraM – inocram[at]48bits[dot]com [48Bits I+D Team]
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