Cisco Application Control Engine Global Site Selector DNS Bug Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1021530 |
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SecurityTracker URL: http://securitytracker.com/id/1021530
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CVE Reference:
CVE-2008-3819
(Links to External Site)
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Date: Jan 7 2009
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Impact:
Denial of service via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): prior to 3.0(1)
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Description:
A vulnerability was reported in the Cisco Application Control Engine Global Site Selector. A remote user can cause denial of service conditions.
A remote user can send a specially crafted sequence of DNS requests to cause the target DNS service to crash.
The device is not affected when configured with the optional Cisco Network Registrar (CNR) software.
The following models are affected:
* Cisco GSS 4480 Global Site Selector
* Cisco GSS 4490 Global Site Selector
* Cisco GSS 4491 Global Site Selector
* Cisco GSS 4492R Global Site Selector
Cisco has assigned Cisco Bug ID CSCsj70093 to this vulnerability.
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Impact:
A remote user can cause the target DNS service to crash.
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Solution:
The vendor has issued a fix (3.0(1) or later).
The vendor's advisory is available at:
http://www.cisco.com/warp/public/707/cisco-sa-20090107-gss.shtml
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Vendor URL: www.cisco.com/warp/public/707/cisco-sa-20090107-gss.shtml (Links to External Site)
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Cause:
State error
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Underlying OS:
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Message History:
None.
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Source Message Contents
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Date: Wed, 7 Jan 2009 11:28:40 -0500
Subject: Cisco Security Advisory: Cisco Global Site Selector Appliances DNS Vulnerability
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http://www.cisco.com/warp/public/707/cisco-sa-20090107-gss.shtml
CVE-2008-3819
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