Rule:

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Sid:
1966

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Summary:
This event is generated when an attempt is made to discover sensitive information associated with a Global Sun Technology wireless access point. 

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Impact:
Information disclosure.  A successful attack may return the administrative password along with other sensitive information about a wireless access point. 

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Detailed Information:
Global Sun Technology Inc. is a developer of Wireless Access Points for wireless vendors such as Wisecom, D-Link, as well as others.  There is a flaw in the code distributed by Global Sun Technology that allows an attacker to send a packet to UDP port 27155 with a string of "gstsearch" in the payload to the wireless access point, returning the Wired Equivalent Privacy (WEP) encryption keys, the MAC adress, and the administrative password. 

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Affected Systems:

  WISECOM GL2422AP-0T
  D-Link DWL-900AP+ B1 version 2.1 and 2.2
  ALLOY GL-2422AP-S
  EUSSO GL2422-AP
  LINKSYS WAP11-V2.2
  DI-614+ Firmware version 2.03

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Attack Scenarios:
An attacker may use this exploit to obtain valuable information about the administration of the access point as a precursor for attempting to take control and administer the access point. 

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Ease of Attack:
Simple. Exploit code is freely available.

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False Positives:
None Known.

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False Negatives:
None Known.

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Corrective Action:
Upgrade to the most current version of firmware for the access point.

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Contributors:
Original rule writer unknown.
Sourcefire Research Team
Judy Novak <judy.novak@sourcefire.com>

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Additional References:

Bugtraq
http://www.securityfocus.com/bid/6100


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