CVE-2018-16644 — There is a missing check for length in the functions ReadDCMImage of coders/dcm

There is a missing check for length in the functions ReadDCMImage of coders/dcm.c and ReadPICTImage of coders/pict.c in ImageMagick 7.0.8-11, which allows remote attackers to cause a denial of service via a crafted image.

01What is this vulnerability?

There is a missing check for length in the functions ReadDCMImage of coders/dcm.c and ReadPICTImage of coders/pict.c in ImageMagick 7.0.8-11, which allows remote attackers to cause a denial of service via a crafted image.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2018-09-06T22:00:00.000Z
• Last modified: 2024-08-05T10:32:53.054Z

09References

• github.com — https://github.com/ImageMagick/ImageMagick/commit/16916c8979c32765c542e216b31cee…
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2018/10/msg00002.html
• github.com — https://github.com/ImageMagick/ImageMagick/commit/afa878a689870c28b6994ecf3bb8db…
• www.debian.org — https://www.debian.org/security/2018/dsa-4316
• usn.ubuntu.com — https://usn.ubuntu.com/3785-1/
• github.com — https://github.com/ImageMagick/ImageMagick/issues/1269
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00006.html
• usn.ubuntu.com — https://usn.ubuntu.com/4034-1/