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CVE-2018-14621

5.3 · MEDIUM

An infinite loop vulnerability was found in libtirpc before version 1.0.2-rc2.

Published Aug 30, 2018CWE-835EPSS 2.26%

Overview

CVE-2018-14621 is a medium-severity vulnerability. It was published on August 30, 2018 and has a CVSS 3.0 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An infinite loop vulnerability was found in libtirpc before version 1.0.2-rc2. With the port to using poll rather than select, exhaustion of file descriptors would cause the server to enter an infinite loop, consuming a large amount of CPU time and denying service to other clients until restarted.

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

Refgit.linux-nfs.org/?p=steved/libtirpc.git%3Ba=commit%3Bh=fce98161d9815ea016855d9f00274276452c2c4bRefbugzilla.novell.com/show_bug.cgi?id=968175Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14621Refgit.linux-nfs.org/?p=steved/libtirpc.git%3Ba=commit%3Bh=fce98161d9815ea016855d9f00274276452c2c4bRefbugzilla.novell.com/show_bug.cgi?id=968175Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14621

How CyberStrike helps

Frequently asked questions

What is CVE-2018-14621?

CVE-2018-14621 is a medium-severity vulnerability. It was published on August 30, 2018 and has a CVSS 3.0 base score of 5.3 (MEDIUM).

How severe is CVE-2018-14621?

This vulnerability has a CVSS 3.0 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2018-14621?

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-2018-14621?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-14621 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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