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Cisco IOS XR Software Open Shortest Path First Link State Advertisement Denial of Service Vulnerability

Information

Severity

Severity

Medium

Family

Family

CISCO

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

5 years ago

Modified

Modified

3 years ago

Summary

A vulnerability in the implementation of Open Shortest Path First (OSPF) Link State Advertisement (LSA) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.

Insight

Insight

The vulnerability is due to a memory error in OSPF. An attacker could exploit this vulnerability by sending a crafted OSPF LSA update to an affected device.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

Upgrade to 5.3.4.13i or 6.1.2.3i or 6.1.22.9i or 6.2.1.11i or later.

Common Vulnerabilities and Exposures (CVE)