Cisco IOS XR IPv6 Packets Processing Denial of Service Vulnerability
Last Update Date:
5 Sep 2014 11:25
Release Date:
5 Sep 2014
3177
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RISK: Medium Risk
TYPE: Operating Systems - 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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