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Microsoft Windows XP Wireless Zero Configuration Wireless Profile Disclosure

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Release Date:  2005-10-06    Last Update:  2006-02-03    Views:  71,149

Secunia Advisory SA17064

Where:

Local system

Impact:

Exposure of sensitive information

Solution Status:

Unpatched

CVE Reference(s):

Description


Laszlo Toth has discovered a security issue in Windows XP, which can be exploited by malicious, local users to gain access to certain sensitive information.

The security issue is caused due to the Wireless Zero Configuration service allowing a non-privileged user to retrieve the configured wireless profiles using the "WZCQueryInterface()" API. The retrieved profile includes the configured SSIDs and WEP keys, or the PMK (Pairwise Master Key) that is used for pre-shared key authentication in WPA (Wi-Fi Protected Access).

The security issue has been confirmed in Windows XP SP2 with KB893357 installed.


Solution:
The security issue reportedly will be fixed in Longhorn.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Laszlo Toth

Original Advisory:
http://www.soonerorlater.hu/index.khtml?article_id=62

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: Microsoft Windows XP Wireless Zero Configuration Wireless Profile Disclosure

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