CVE-2018-5685 — In GraphicsMagick 1

In GraphicsMagick 1.3.27, there is an infinite loop and application hang in the ReadBMPImage function (coders/bmp.c). Remote attackers could leverage this vulnerability to cause a denial of service via an image file with a crafted bit-field mask value.

01What is this vulnerability?

In GraphicsMagick 1.3.27, there is an infinite loop and application hang in the ReadBMPImage function (coders/bmp.c). Remote attackers could leverage this vulnerability to cause a denial of service via an image file with a crafted bit-field mask value.

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: 2018-01-14T02:00:00.000Z
• Last modified: 2024-08-05T05:40:51.157Z

09References

• sourceforge.net — https://sourceforge.net/p/graphicsmagick/bugs/541/
• hg.graphicsmagick.org — http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/52a91ddb1aa6
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2018/01/msg00018.html
• www.debian.org — https://www.debian.org/security/2018/dsa-4321
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2018/08/msg00002.html