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CVE-2020-27754

3.3 · LOW

In IntensityCompare() of /magick/quantize.c, there are calls to PixelPacketIntensity() which could return overflowed values to the caller when ImageMagick processes a crafted input file.

Published Dec 8, 2020CWE-190EPSS 1.14%

Overview

CVE-2020-27754 is a low-severity vulnerability. It was published on December 8, 2020 and has a CVSS 3.1 base score of 3.3 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

In IntensityCompare() of /magick/quantize.c, there are calls to PixelPacketIntensity() which could return overflowed values to the caller when ImageMagick processes a crafted input file. To mitigate this, the patch introduces and uses the ConstrainPixelIntensity() function, which forces the pixel intensities to be within the proper bounds in the event of an overflow. This flaw affects ImageMagick versions prior to 6.9.10-69 and 7.0.8-69.

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

Refbugzilla.redhat.com/show_bug.cgi?id=1894231Reflists.debian.org/debian-lts-announce/2021/03/msg00030.htmlReflists.debian.org/debian-lts-announce/2023/03/msg00008.htmlRefbugzilla.redhat.com/show_bug.cgi?id=1894231Reflists.debian.org/debian-lts-announce/2021/03/msg00030.htmlReflists.debian.org/debian-lts-announce/2023/03/msg00008.html

How CyberStrike helps

Frequently asked questions

What is CVE-2020-27754?

CVE-2020-27754 is a low-severity vulnerability. It was published on December 8, 2020 and has a CVSS 3.1 base score of 3.3 (LOW).

How severe is CVE-2020-27754?

This vulnerability has a CVSS 3.1 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-27754?

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-2020-27754?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-27754 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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