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Cisco IOS XR IPv6 Packets Processing Denial of Service Vulnerability

Last Update Date: 5 Sep 2014 11:25 Release Date: 5 Sep 2014 3796 Views

RISK: Medium Risk

TYPE: Operating Systems - Networks OS

TYPE: Networks OS

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

The vulnerability is caused due to an error when processing certain IP version 6 packets, which can be exploited to cause excessive CPU resources consumption and subsequently reduce the network processing capability by sending specially crafted IP version 6 packets to an affected device.

Successful exploitation requires IP version 6 to be configured.


Impact

  • Denial of Service

System / Technologies affected

  • Cisco IOS XR 4.x

Solutions

Before installation of the software, please visit the software manufacturer web-site for more details.

  • Upgrade to version 5.1.3.14i.BASE or later

 


Vulnerability Identifier


Source


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