CVE-2018-6612: Integer Underflow
First published: Sat Feb 03 2018(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Jhead Project Jhead | =3.0 | |
| debian/jhead | 1:3.04-6+deb11u1 1:3.06.0.1-6 1:3.08-2 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2018-6612
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=889272
- https://anonscm.debian.org/git/collab-maint/jhead.git/diff/debian/patches/0008-heap-buffer-overflow.patch?id=01f09ab772d0d341cdc1326490dd2aa5aa2a7784
- https://launchpad.net/ubuntu/+source/jhead/1:3.00-6
Frequently Asked Questions
What is CVE-2018-6612?
CVE-2018-6612 is an integer underflow bug in the process_EXIF function of the exif.c file of jhead 3.00.
What is the severity of CVE-2018-6612?
The severity of CVE-2018-6612 is high with a CVSS score of 5.5.
How does CVE-2018-6612 affect jhead?
CVE-2018-6612 raises a heap-based buffer over-read when processing a malicious JPEG file in jhead, which may allow a remote attacker to cause a denial-of-service attack or unspecified other impact.
Which software versions are affected by CVE-2018-6612?
jhead versions 3.00, 3.04, 3.06.0.1, and 3.08 are affected by CVE-2018-6612.
How can I fix CVE-2018-6612?
Update to jhead version 3.00-8, 3.04-6+deb11u1, 3.06.0.1-6, or 3.08-2 to fix CVE-2018-6612.
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