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CVE-2018-7443

6.5 · MEDIUM

The ReadTIFFImage function in coders/tiff.c in ImageMagick 7.0.7-23 Q16 does not properly validate the amount of image data in a file, which allows remote attackers to cause a denial of service (me…

Published Feb 23, 2018CWE-770EPSS 3.23%

Overview

CVE-2018-7443 is a medium-severity vulnerability. It was published on February 23, 2018 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The ReadTIFFImage function in coders/tiff.c in ImageMagick 7.0.7-23 Q16 does not properly validate the amount of image data in a file, which allows remote attackers to cause a denial of service (memory allocation failure in the AcquireMagickMemory function in MagickCore/memory.c).

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

GitHubgithub.com/ImageMagick/ImageMagick/issues/999Reflists.debian.org/debian-lts-announce/2018/02/msg00028.htmlReflists.debian.org/debian-lts-announce/2020/08/msg00030.htmlRefusn.ubuntu.com/3681-1/GitHubgithub.com/ImageMagick/ImageMagick/issues/999Reflists.debian.org/debian-lts-announce/2018/02/msg00028.htmlReflists.debian.org/debian-lts-announce/2020/08/msg00030.htmlRefusn.ubuntu.com/3681-1/

How CyberStrike helps

Frequently asked questions

What is CVE-2018-7443?

CVE-2018-7443 is a medium-severity vulnerability. It was published on February 23, 2018 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

How severe is CVE-2018-7443?

This vulnerability has a CVSS 3.0 base score of 6.5, 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-2018-7443?

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-2018-7443?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-7443 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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