CVE-2018-6612

low-risk

Published 2018-02-04

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.

Do I need to act?

0.16% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.5/10 Medium

LOCAL / LOW complexity

Affected Products (1)

Jhead

Affected Vendors

Jhead Project

References (4)

Third Party Advisory https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=889272

Third Party Advisory https://launchpad.net/ubuntu/+source/jhead/1:3.00-6

Third Party Advisory https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=889272

Third Party Advisory https://launchpad.net/ubuntu/+source/jhead/1:3.00-6

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low-risk

Severity 18/34 · Moderate

Exploitability 1/34 · Minimal

Exposure 5/34 · Minimal