Buffer overflow in Graphicsmagick
CVE-2018-20184
In GraphicsMagick 1.4 snapshot-20181209 Q8, there is a heap-based buffer overflow in the WriteTGAImage function of tga.c, which allows attackers to cause a denial of service via a crafted image file, because the number of rows or columns can exceed the pixel-dimension restrictions of the TGA specification.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.023 (82.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Graphicsmagick — versions 1.4
- Debian Linux — versions 8.0
Weakness classification (CWE)
References
- www.securityfocus.com/bid/106229 (VDB Entry, Third Party Advisory, vdb-entry)
- hg.graphicsmagick.org/hg/GraphicsMagick/rev/15d1b5fd003b (Patch, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2018/12/msg00018.html (mailing-list, Mailing List, Third Party Advisory)
- sourceforge.net/p/graphicsmagick/bugs/583/ (Exploit, Third Party Advisory)
- usn.ubuntu.com/4207-1/ (vendor-advisory)
- www.debian.org/security/2020/dsa-4640 (vendor-advisory)
Frequently asked questions
- What is CVE-2018-20184?
- CVE-2018-20184 is a medium-severity vulnerability in Graphicsmagick, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2018-12-17.
- How severe is CVE-2018-20184?
- Medium severity. CVSS v3 base score is 6.5 out of 10.