CVE-2018-0466

Cisco IOS and IOS XE Software OSPFv3 Denial of Service Vulnerability

Description

A vulnerability in the Open Shortest Path First version 3 (OSPFv3) implementation in Cisco IOS and IOS XE Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload. The vulnerability is due to incorrect handling of specific OSPFv3 packets. An attacker could exploit this vulnerability by sending crafted OSPFv3 Link-State Advertisements (LSA) to an affected device. An exploit could allow the attacker to cause an affected device to reload, leading to a denial of service (DoS) condition.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.65%
Vendor Advisory cisco.com
Affected: Cisco Cisco IOS Software
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/105403 vdb entry third party advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-ospfv3-dos vendor advisory
http://www.securitytracker.com/id/1041737 vdb entry third party advisory
https://ics-cert.us-cert.gov/advisories/ICSA-19-094-03

Frequently Asked Questions

What is the severity of CVE-2018-0466?
CVE-2018-0466 has been scored as a medium severity vulnerability.
How to fix CVE-2018-0466?
To fix CVE-2018-0466, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-0466 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-0466 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-0466?
CVE-2018-0466 affects Cisco Cisco IOS Software.
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