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Insecure Library Loading
Moderately critical

Cisco PIX and ASA TLS/MGCP Packet Processing Denial of Service

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Release Date:  2007-10-18    Last Update:  2007-10-19    Views:  13,338

Secunia Advisory SA27193

Where:

From remote

Impact:

DoS

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Cisco has acknowledged some vulnerabilities in Cisco PIX and ASA appliances, which can be exploited by malicious people to cause a DoS (Denial of Service).

1) An unspecified error exists within the handling of Transport Layer Security (TLS) packets. This can be exploited to reload an affected device by sending specially crafted TLS packets.

2) An unspecified error exists within the handling of Media Gateway Control Protocol (MGCP) packets. This can be exploited to reload an affected device by sending specially crafted MGCP packets.

Successful exploitation of this vulnerability requires that the MGCP application layer protocol inspection is enabled (disabled by default).


Solution:
Apply updates (please see the vendor's advisory for details).

Further details available to Secunia VIM customers

Provided and/or discovered by:
Reported by the vendor.

Original Advisory:
http://www.cisco.com/warp/public/707/cisco-sa-20071017-asa.shtml

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: Cisco PIX and ASA TLS/MGCP Packet Processing Denial of Service

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