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CVE-2018-6612

5.5 · MEDIUM

An integer underflow bug in the process_EXIF function of the exif.c file of jhead 3.00 raises a heap-based buffer over-read when processing a malicious JPEG file, which may allow a remote attacker…

Published Feb 4, 2018CWE-125EPSS 1.13%

Overview

CVE-2018-6612 is a medium-severity vulnerability. It was published on February 4, 2018 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

An integer underflow bug in the process_EXIF function of the exif.c file of jhead 3.00 raises a heap-based buffer over-read when processing a malicious JPEG file, which may allow a remote attacker to cause a denial-of-service attack or unspecified other impact.

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

Refbugs.debian.org/cgi-bin/bugreport.cgi?bug=889272Reflaunchpad.net/ubuntu/+source/jhead/1:3.00-6Refbugs.debian.org/cgi-bin/bugreport.cgi?bug=889272Reflaunchpad.net/ubuntu/+source/jhead/1:3.00-6

How CyberStrike helps

Frequently asked questions

What is CVE-2018-6612?

CVE-2018-6612 is a medium-severity vulnerability. It was published on February 4, 2018 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2018-6612?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. 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-2018-6612?

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-2018-6612?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-6612 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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