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Cisco IOS XE MPLS IP Fragmentation Denial of Service Vulnerability

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Release Date:  2013-12-26    Views:  963

Secunia Advisory SA56206

Where:

From remote

Impact:

DoS

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability has been reported in Cisco IOS XE, which can bee exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an input validation error when processing MPLS IP packets, which can be exploited to crash the Cisco Packet Processor process via specially crafted MPLS fragmented IP packets.

The vulnerability is reported in versions 3.7S(.1) and prior. Other versions may also be affected.


Solution:
Update to a fixed version (please see the vendor's advisory for details).

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

Original Advisory:
Cisco (CSCul00709):
http://tools.cisco.com/security/center/viewAlert.x?alertId=32281
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6981

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 IOS XE MPLS IP Fragmentation Denial of Service Vulnerability

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