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CVE-2018-14553

7.5 · HIGH

gdImageClone in gd.c in libgd 2.1.0-rc2 through 2.2.5 has a NULL pointer dereference allowing attackers to crash an application via a specific function call sequence.

Published Feb 11, 2020CWE-476EPSS 3.44%

Overview

CVE-2018-14553 is a high-severity vulnerability. It was published on February 11, 2020 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

gdImageClone in gd.c in libgd 2.1.0-rc2 through 2.2.5 has a NULL pointer dereference allowing attackers to crash an application via a specific function call sequence. Only affects PHP when linked with an external libgd (not bundled).

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

Reflists.opensuse.org/opensuse-security-announce/2020-03/msg00020.htmlRefbugzilla.redhat.com/show_bug.cgi?id=1599032GitHubgithub.com/libgd/libgd/commit/a93eac0e843148dc2d631c3ba80af17e9c8c860fGitHubgithub.com/libgd/libgd/pull/580Reflists.debian.org/debian-lts-announce/2020/02/msg00014.htmlReflists.debian.org/debian-lts-announce/2024/04/msg00003.htmlReflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6/Refusn.ubuntu.com/4316-1/Refusn.ubuntu.com/4316-2/Reflists.opensuse.org/opensuse-security-announce/2020-03/msg00020.html

How CyberStrike helps

Frequently asked questions

What is CVE-2018-14553?

CVE-2018-14553 is a high-severity vulnerability. It was published on February 11, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2018-14553?

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-2018-14553?

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-2018-14553?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-14553 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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