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Novell Client Clipboard Content Handling Weakness
Secunia Advisory: SA20194
Release Date: 2006-05-23
Last Update: 2008-02-04
Popularity: 7,970 views

Critical:
Not critical
Impact: Manipulation of data
Exposure of sensitive information
Where: Local system
Solution Status: Vendor Patch

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

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CVE reference:CVE-2006-2612


Description:
Eitan Caspi has reported a weakness in Novell Client, which can be exploited by malicious people to disclose potentially sensitive information and to manipulate certain information.

The weakness is cause due to the Login dialog box of the Novell client failing to restrict access to the contents of the clipboard when the system is "locked". This can be exploited to disclose the text contents of the current user's clipboard by pasting it into the "User Name" field, or to change the clipboard's content by performing a copy from the "User Name" field.

Successful exploitation requires access to the affected system.

The weakness has been reported in Novell Client for Windows versions 4.8 and 4.9. Other versions may also be affected.

Solution:
Apply updated login modules (see vendor's advisory for more information).

Provided and/or discovered by:
Eitan Caspi

Changelog:
2006-05-31: Added CVE reference.
2008-02-04: Updated "Solution" section and added link to vendor page.

Original Advisory:
Novell:
https://secure-support.novell.com/Kan...Publishing/227/2797_f.SAL_Public.html


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