Out-of-bounds Read in Graphicsmagick
CVE-2018-20185
In GraphicsMagick 1.4 snapshot-20181209 Q8 on 32-bit platforms, there is a heap-based buffer over-read in the ReadBMPImage function of bmp.c, which allows attackers to cause a denial of service via a crafted bmp image file. This only affects GraphicsMagick installations with customized BMP limits.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.021 (81.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Graphicsmagick — versions 1.4
- Canonical Ubuntu Linux — versions 18.04
- Debian Linux — versions 8.0, 9.0, 10.0
Weakness classification (CWE)
References
- hg.graphicsmagick.org/hg/GraphicsMagick/rev/648e3977a293 (Patch, Vendor Advisory)
- sourceforge.net/p/graphicsmagick/bugs/582/ (Exploit, Third Party Advisory)
- www.securityfocus.com/bid/106229 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.debian.org/debian-lts-announce/2018/12/msg00018.html (mailing-list, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4207-1/ (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2020/dsa-4640 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-20185?
- CVE-2018-20185 is a medium-severity vulnerability in Graphicsmagick, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2018-12-17.
- How severe is CVE-2018-20185?
- Medium severity. CVSS v3 base score is 5.3 out of 10.