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TITLE:
Novell Client nicm.sys Privilege Escalation Vulnerability

SECUNIA ADVISORY ID:
SA28396

VERIFY ADVISORY:
http://secunia.com/advisories/28396/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
Novell Client for Windows NT/2000/XP 4.x
http://secunia.com/product/1516/

DESCRIPTION:
A vulnerability has been reported in Novell Client, which can be
exploited by malicious, local users to gain escalated privileges.

The vulnerability is caused due to an input validation error in
nicm.sys when handling arguments passed to certain IOCTL handlers.
This can be exploited to e.g. overwrite arbitrary kernel memory and
execute arbitrary code with SYSTEM privileges.

The vulnerability affects versions 4.91 SP3 and SP4.

SOLUTION:
Apply updates.
http://download.novell.com/Download?buildid=4FmI89wOmg4~

PROVIDED AND/OR DISCOVERED BY:
Stephen Fewer of Harmony Security, reported via iDefense Labs.

ORIGINAL ADVISORY:
Novell:
http://download.novell.com/Download?buildid=4FmI89wOmg4~

iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=637

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About:
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