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Novell Client Firewall Privilege Escalation Vulnerability
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Secunia Advisory:
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SA21161
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Release Date:
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2006-07-24
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Last Update:
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2007-01-18
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Popularity:
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5,369 views
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Critical:
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Less critical
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Impact:
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Privilege escalation
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Where:
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Local system
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Solution Status:
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Unpatched
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| Software: | Novell Client Firewall (NCF) 2.x
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Description:
A vulnerability has been discovered in Novell Client Firewall, which can be exploited by malicious, local users to gain escalated privileges.
The vulnerability is caused due to the application windows running with SYSTEM privileges and not properly restricting users from running arbitrary programs. This can be exploited to execute arbitrary commands with SYSTEM privileges by e.g. crafting a batch file executing cmd.exe and then move another file over this file inside Explorer via the "Save Configuration As..." functionality or similar.
The vulnerability has been confirmed in version 2.0 Build 0727. Other versions may also be affected.
Solution:
Grant only trusted users access to affected systems.
According to the vendor, this issue will not be fixed with Novell Client Firewall and is only fixed in the Agnitums OutPost 4.0 product.
Provided and/or discovered by:
Reported by H. Wiedemann in Outpost Firewall, which Novell Client Firewall is based on.
Changelog:
2007-01-18: Updated "Solution" section to include information from the vendor.
Original Advisory:
https://secure-support.novell.com/Kan...lishing/903/3762108_f.SAL_Public.html
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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