CVE-2018-6405: canonical ubuntu_linux
CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2018-6405DEBIAN-CVE-2018-6405
Published 30-01-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-6405 is a medium (CVSS 6.5) vulnerability in canonical ubuntu_linux. EPSS estimates a 1.67% chance of exploitation in the next 30 days, higher than 76.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
1.67%
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 5 · Related 5Timeline
- 30-01-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In the ReadDCMImage function in coders/dcm.c in ImageMagick before 7.0.7-23, each redmap, greenmap, and bluemap variable can be overwritten by a new pointer. The previous pointer is lost, which leads to a memory leak. This allows remote attackers to cause a denial of service.
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
1.67%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
0.00 pp
From 1.67% on 18-09-2026
18-09-202618-10-2026
EPSS score1.67%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundImagemagick
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 17.10 | 18.04
Debian1 product
- imagemagick< 8:6.9.9.34+dfsg-3
Imagemagick1 product
- imagemagick< 6.9.9-35 | ≥ 7.0.0-0, < 7.0.7-23
Ubuntu1 product
- imagemagick< 8:6.7.7.10-6ubuntu3.11 | < 8:6.8.9.9-7ubuntu5.11 | < 8:6.9.7.4+dfsg-16ubuntu6.2
4 vendors · 4 products
References
6 links- github.com/ImageMagick/ImageMagick/issues/964X Refsource CONFIRMExploitIssue TrackingPatchThird Party Advisory
