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CVE-2018-0132

8.6 · HIGH

A vulnerability in the forwarding information base (FIB) code of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause inconsistency between the routing information base (R…

Published Feb 8, 2018CWE-119EPSS 2.30%

Overview

CVE-2018-0132 is a high-severity vulnerability. It was published on February 8, 2018 and has a CVSS 3.0 base score of 8.6 (HIGH).

This vulnerability has a CVSS 3.0 base score of 8.6, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A vulnerability in the forwarding information base (FIB) code of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause inconsistency between the routing information base (RIB) and the FIB, resulting in a denial of service (DoS) condition. The vulnerability is due to incorrect processing of extremely long routing updates. An attacker could exploit this vulnerability by sending a large routing update. A successful exploit could allow the attacker to trigger inconsistency between the FIB and the RIB, resulting in a DoS condition. Cisco Bug IDs: CSCus84718.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.securityfocus.com/bid/102975Refwww.securitytracker.com/id/1040344Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180207-iosxrRefwww.securityfocus.com/bid/102975Refwww.securitytracker.com/id/1040344Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180207-iosxr

How CyberStrike helps

Frequently asked questions

What is CVE-2018-0132?

CVE-2018-0132 is a high-severity vulnerability. It was published on February 8, 2018 and has a CVSS 3.0 base score of 8.6 (HIGH).

How severe is CVE-2018-0132?

This vulnerability has a CVSS 3.0 base score of 8.6, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-0132?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-0132?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-0132 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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