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Category:   Device (Router/Bridge/Hub)  >   Cisco IOS Vendors:   Cisco
Cisco IOS NAT SIP Processing Flaw Lets Remote Users Deny Service
SecurityTracker Alert ID:  1030896
SecurityTracker URL:  http://securitytracker.com/id/1030896
CVE Reference:   CVE-2014-3361   (Links to External Site)
Date:  Sep 24 2014
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Cisco IOS. A remote user can cause denial of service conditions.

A remote user can send specially crafted Session Initiation Protocol (SIP) messages through the target device via IPv4 to cause the target device to reload.

Systems configured for network address translation (NAT) of multipart SDP traffic and for multipart SDP in SIP on the application-layer gateway are affected.

The vendor has assigned bug ID CSCun54071 to this vulnerability.

Impact:   A remote user can cause the target device to reload.
Solution:   The vendor has issued a fix.

A patch matrix is available in the vendor's advisory.

The vendor's advisory is available at:

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-nat

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-nat (Links to External Site)
Cause:   State error

Message History:   None.


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