Systems Affected
Cisco NCS 6000 running Cisco IOS XR Software prior to 5.3.2
Cisco CRS-X running Cisco IOS XR Software prior to 5.3.0
Threat Level
Overview
A vulnerability has been reported in Cisco Network Convergence System 6000 and Cisco Carrier Routing System which could allow an unauthenticated remote attacker to cause a reload of line card on the device resulting in denial of service (DoS) condition.
Description
This vulnerability occurs due to improper processing of malformed packet carrying extension headers. An unauthenticated remote attacker could exploit this vulnerability by sending a malformed IPv6 packet carrying extension headers through a targeted device.
Successful exploitation of this vulnerability could allow a remote attacker to cause a reload of line card on the device resulting in a DOS condition.
Impact
Solution/ Workarounds
✻ Update the latest version of the Mozilla's Firefox on Windows, Linux and Mac.
References
Disclaimer
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