CVE & CISA-KEV Catalog

CVE-2018-16643

MEDIUMEPSS 86th pctl
6.5
CVSS v3
NVD

Description

The functions ReadDCMImage in coders/dcm.c, ReadPWPImage in coders/pwp.c, ReadCALSImage in coders/cals.c, and ReadPICTImage in coders/pict.c in ImageMagick 7.0.8-4 do not check the return value of the fputc function, which allows remote attackers to cause a denial of service via a crafted image file.

How to fix

Remediation Available
imagemagickDebian
Fixed in:8:6.9.10.8+dfsg-1CVE-2018-16643
Fixed in:8:6.9.10.8+dfsg-1CVE-2018-16643
Fixed in:8:6.9.10.8+dfsg-1CVE-2018-16643
Fixed in:8:6.9.10.8+dfsg-1CVE-2018-16643
imagemagickUbuntu
Fixed in:8:6.7.7.10-6ubuntu3.13USN-3785-1
Fixed in:8:6.8.9.9-7ubuntu5.13USN-3785-1
Fixed in:8:6.9.7.4+dfsg-16ubuntu6.4USN-3785-1
imagemagick-6.q16Ubuntu
Fixed in:8:6.8.9.9-7ubuntu5.13USN-3785-1
Fixed in:8:6.9.7.4+dfsg-16ubuntu6.4USN-3785-1
libmagick++-6.q16-5v5Ubuntu
Fixed in:8:6.8.9.9-7ubuntu5.13USN-3785-1
libmagick++-6.q16-7Ubuntu
Fixed in:8:6.9.7.4+dfsg-16ubuntu6.4USN-3785-1
libmagick++5Ubuntu
Fixed in:8:6.7.7.10-6ubuntu3.13USN-3785-1
libmagickcore-6.q16-2Ubuntu
Fixed in:8:6.8.9.9-7ubuntu5.13USN-3785-1
libmagickcore-6.q16-2-extraUbuntu
Fixed in:8:6.8.9.9-7ubuntu5.13USN-3785-1
libmagickcore-6.q16-3Ubuntu
Fixed in:8:6.9.7.4+dfsg-16ubuntu6.4USN-3785-1
libmagickcore-6.q16-3-extraUbuntu
Fixed in:8:6.9.7.4+dfsg-16ubuntu6.4USN-3785-1
libmagickcore5Ubuntu
Fixed in:8:6.7.7.10-6ubuntu3.13USN-3785-1
libmagickcore5-extraUbuntu
Fixed in:8:6.7.7.10-6ubuntu3.13USN-3785-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

3.08%probability of exploitation in 30 days
86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Third-Party Advisory2
Other references1

Related Vulnerabilities

Other CWE-252 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2005-4360High7.887%--
CVE-2007-3798Critical9.870%-Fix
CVE-2010-0211Critical9.828%-Fix
CVE-2022-23626High8.59.9%-Fix
CVE-2019-10902High7.54.7%--
CVE-2018-20216High7.53.9%-Fix

Common questions

How do I fix CVE-2018-16643?

Published advisories record a fix for 12 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2018-16643 being actively exploited?

Not that we know of. CVE-2018-16643 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 3.1% is the estimated probability that it will be exploited in the next 30 days. That is higher than 86% of all scored CVEs.

How severe is CVE-2018-16643?

CVE-2018-16643 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2018-16643 affect?

Published advisories record a fix for imagemagick (Debian), imagemagick (Ubuntu), imagemagick-6.q16 (Ubuntu), libmagick++-6.q16-5v5 (Ubuntu), and 8 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.