Input validation error - CVE-2018-16643

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Main Vulnerability Database Vulnerabilities #VU33484

Input validation error - CVE-2018-16643

Published: September 7, 2018 / Updated: August 4, 2020


Vulnerability identifier: #VU33484
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-16643
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

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.


Affected software

imagemagick6 (Alpine package)
Opensuse

How to mitigate CVE-2018-16643

Install update from vendor's website.

imagemagick6 (Alpine package) - update to 6.9.10.37-r0

External References

Related Security Bulletins