Security Advisory SA28396 - Novell Client nicm.sys Privilege Escalation Vulnerability

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Secunia Advisory SA28396

Novell Client nicm.sys Privilege Escalation Vulnerability

Secunia Advisory

SA28396

Release Date

2008-01-10

Last Update

2008-01-21

Popularity

8,333 views

Comments

0 comments

Criticality level

Less critical

Impact

Privilege escalation

Where

Local system

Authentication level

This information is available to Secunia VIM customers

Report reliability

This information is available to Secunia VIM customers

Solution Status

Vendor Patch

3rd party PoC/exploit

Link available in Customer Area

Systems affected

This information is available to Secunia VIM customers

Approve distribution

This information is available to Secunia VIM customers

Software:

Novell Client for Windows NT/2000/XP 4.x

Secunia CVSS Score

This information is available to Secunia VIM Customers

CVE Reference(s)

CVE-2007-5762 CVSS score available to Secunia VIM customers

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.
Further details available to Secunia VIM customers

Provided and/or discovered by
Stephen Fewer of Harmony Security, reported via iDefense Labs.

Changelog
Further details available to Secunia VIM customers

Original Advisory
Novell:
https://secure-support.novell.com/KanisaPlatform/Publishing/609/3714097_f.SAL_Public.html
http://download.novell.com/Download?buildid=4FmI89wOmg4~

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

Deep Links
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Novell Client nicm.sys Privilege Escalation Vulnerability

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Secunia Advisory SA28396

Novell Client nicm.sys Privilege Escalation Vulnerability

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