CVE-2018-20467: canonical ubuntu_linux Infinite Loop
CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2018-20467DEBIAN-CVE-2018-20467
Published 26-12-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-20467 is a medium (CVSS 6.5) Infinite Loop vulnerability in canonical ubuntu_linux. EPSS estimates a 3.10% chance of exploitation in the next 30 days, higher than 87.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
3.10%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 10 · Related 8Timeline
- 26-12-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In coders/bmp.c in ImageMagick before 7.0.8-16, an input file can result in an infinite loop and hang, with high CPU and memory consumption. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted file.
CVSS metrics
5 scores · 3 sources · 3 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Medium 6.5Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesSingle source
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
3.10%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
0.00 pp
From 3.10% on 18-09-2026
18-09-202618-10-2026
EPSS score3.10%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundImagemagick
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian2 products
- imagemagick< 8:6.9.10.23+dfsg-1
- debian_linuxEOL9.0
Canonical1 product
- ubuntu_linuxEOL16.04 | 18.04 | 18.10 | 19.04
Imagemagick1 product
- imagemagick< 6.9.10-16 | ≥ 7.0.0-0, < 7.0.8-16
Opensuse1 product
- leapEOL15.0
Ubuntu1 product
- imagemagick< 8:6.7.7.10-6ubuntu3.13+esm8 | < 8:6.8.9.9-7ubuntu5.14 | < 8:6.9.7.4+dfsg-16ubuntu6.7
5 vendors · 6 products
References
12 links- github.com/ImageMagick/ImageMagick/commit/db0add932fb850d762b02604ca3053b7d7ab6debX Refsource MISCPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-04/msg00034.htmlVendor AdvisoryX Refsource SUSEBroken LinkThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-05/msg00006.htmlVendor AdvisoryX Refsource SUSEBroken Link
lists.debian.org/debian-lts-announce/2020/08/msg00030.htmlMailing ListX Refsource MLISTThird Party Advisory