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>> DESlock+ "DLMFENC" and "DLMFDISK" Privilege Escalation Issues

Title : DESlock+ "DLMFENC" and "DLMFDISK" Privilege Escalation Issues
VUPEN ID : VUPEN/ADV-2008-0597
CVE ID : CVE-2008-1138 - CVE-2008-1139 - CVE-2008-1140 - CVE-2008-1141
Rated as : Moderate Risk 
Remotely Exploitable : No
Locally Exploitable : Yes
Release Date : 2008-02-19


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format  Receive VUPEN Security notifications by SMS 

Multiple vulnerabilities have been identified in DESlock+, which could be exploited by local attackers to cause a denial of service or obtain elevated privileges. These issues are caused by input validation and buffer overflow errors in the "DLMFENC.sys" and "DLMFDISK.sys" drivers when processing user-supplied data, which could be exploited by unprivileged users to gain knowledge of sensitive information, crash an affected system or execute arbitrary code with kernel privileges via a specially crafted IOCTL request.

Affected Products

DESlock+ version 3.2.6 and prior

Solution

Upgrade to DESlock+ version 3.2.7 :
http://www.deslock.com/deslockp_downloads.php

References

http://www.vupen.com/english/advisories/2008/0597
http://www.deslock.com/downloads/327_README.txt
http://www.digit-labs.org/files/exploits/deslock-pown-v2.c
http://www.digit-labs.org/files/exploits/deslock-list-zero-v2.c
http://www.digit-labs.org/files/exploits/deslock-list-leak.c
http://www.digit-labs.org/files/exploits/deslock-list-zero.c

Credits

Vulnerabilities reported by mu-b.

ChangeLog

2008-02-19 : Initial release

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