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CVE-2018-14622

7.5 · HIGH

A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3.

Published Aug 30, 2018CWE-252EPSS 3.86%

Overview

CVE-2018-14622 is a high-severity vulnerability. It was published on August 30, 2018 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A null-pointer dereference vulnerability was found in libtirpc before version 0.3.3-rc3. The return value of makefd_xprt() was not checked in all instances, which could lead to a crash when the server exhausted the maximum number of available file descriptors. A remote attacker could cause an rpc-based application to crash by flooding it with new connections.

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=1c77f7a869bdea2a34799d774460d1f9983d45f0Refaccess.redhat.com/errata/RHBA-2017:1991Refbugzilla.novell.com/show_bug.cgi?id=968175Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14622Reflists.debian.org/debian-lts-announce/2018/08/msg00034.htmlRefusn.ubuntu.com/3759-1/Refusn.ubuntu.com/3759-2/Refgit.linux-nfs.org/?p=steved/libtirpc.git%3Ba=commit%3Bh=1c77f7a869bdea2a34799d774460d1f9983d45f0Refaccess.redhat.com/errata/RHBA-2017:1991Refbugzilla.novell.com/show_bug.cgi?id=968175

How CyberStrike helps

Frequently asked questions

What is CVE-2018-14622?

CVE-2018-14622 is a high-severity vulnerability. It was published on August 30, 2018 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2018-14622?

This vulnerability has a CVSS 3.1 base score of 7.5, 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-2018-14622?

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-2018-14622?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-14622 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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