Input validation error - CVE-2018-14434

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Main Vulnerability Database Vulnerabilities #VU33729

Input validation error - CVE-2018-14434

Published: July 20, 2018 / Updated: August 4, 2020


Vulnerability identifier: #VU33729
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-2018-14434
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.

ImageMagick 7.0.8-4 has a memory leak for a colormap in WriteMPCImage in coders/mpc.c.


Affected software

Amazon Linux AMI
Ubuntu
Opensuse
imagemagick6 (Alpine package)
libmagickcore5 (Ubuntu package)
imagemagick (Ubuntu package)
libmagick++5 (Ubuntu package)
libmagickcore5-extra (Ubuntu package)
imagemagick-6.q16 (Ubuntu package)
libmagickcore-6.q16-2 (Ubuntu package)
libmagick++-6.q16-5v5 (Ubuntu package)
libmagickcore-6.q16-2-extra (Ubuntu package)
libmagickcore-6.q16-3-extra (Ubuntu package)
libmagick++-6.q16-7 (Ubuntu package)
libmagickcore-6.q16-3 (Ubuntu package)
libmagickcore-6.q16-6 (Ubuntu package)
libmagickcore-6.q16-6-extra (Ubuntu package)
libmagick++-6.q16-8 (Ubuntu package)
php70-pecl-imagick
php71-pecl-imagick
php72-pecl-imagick
php54-pecl-imagick
php55-pecl-imagick
php56-pecl-imagick
ImageMagick

How to mitigate CVE-2018-14434

Install update from vendor's website.

imagemagick6 (Alpine package) - update to 6.9.10.37-r0
libmagickcore5 (Ubuntu package) - update to 8:6.7.7.10-6ubuntu3.13
imagemagick (Ubuntu package) - addressed in versions 8:6.7.7.10-6ubuntu3.13, 8:6.8.9.9-7ubuntu5.13, 8:6.8.9.9-7ubuntu5.14, 8:6.9.7.4+dfsg-16ubuntu6.4, 8:6.9.7.4+dfsg-16ubuntu6.7, 8:6.9.10.8+dfsg-1ubuntu2.2, 8:6.9.10.14+dfsg-7ubuntu2.2
libmagick++5 (Ubuntu package) - update to 8:6.7.7.10-6ubuntu3.13
libmagickcore5-extra (Ubuntu package) - update to 8:6.7.7.10-6ubuntu3.13
imagemagick-6.q16 (Ubuntu package) - addressed in versions 8:6.8.9.9-7ubuntu5.13, 8:6.8.9.9-7ubuntu5.14, 8:6.9.7.4+dfsg-16ubuntu6.4, 8:6.9.7.4+dfsg-16ubuntu6.7, 8:6.9.10.8+dfsg-1ubuntu2.2, 8:6.9.10.14+dfsg-7ubuntu2.2
libmagickcore-6.q16-2 (Ubuntu package) - addressed in versions 8:6.8.9.9-7ubuntu5.13, 8:6.8.9.9-7ubuntu5.14
libmagick++-6.q16-5v5 (Ubuntu package) - addressed in versions 8:6.8.9.9-7ubuntu5.13, 8:6.8.9.9-7ubuntu5.14
libmagickcore-6.q16-2-extra (Ubuntu package) - addressed in versions 8:6.8.9.9-7ubuntu5.13, 8:6.8.9.9-7ubuntu5.14
libmagickcore-6.q16-3-extra (Ubuntu package) - addressed in versions 8:6.9.7.4+dfsg-16ubuntu6.4, 8:6.9.7.4+dfsg-16ubuntu6.7
libmagick++-6.q16-7 (Ubuntu package) - addressed in versions 8:6.9.7.4+dfsg-16ubuntu6.4, 8:6.9.7.4+dfsg-16ubuntu6.7
libmagickcore-6.q16-3 (Ubuntu package) - addressed in versions 8:6.9.7.4+dfsg-16ubuntu6.4, 8:6.9.7.4+dfsg-16ubuntu6.7
libmagickcore-6.q16-6 (Ubuntu package) - addressed in versions 8:6.9.10.8+dfsg-1ubuntu2.2, 8:6.9.10.14+dfsg-7ubuntu2.2
libmagickcore-6.q16-6-extra (Ubuntu package) - addressed in versions 8:6.9.10.8+dfsg-1ubuntu2.2, 8:6.9.10.14+dfsg-7ubuntu2.2
libmagick++-6.q16-8 (Ubuntu package) - addressed in versions 8:6.9.10.8+dfsg-1ubuntu2.2, 8:6.9.10.14+dfsg-7ubuntu2.2
php70-pecl-imagick - update to 3.4.4-1.7
php71-pecl-imagick - update to 3.4.4-2.8
php72-pecl-imagick - update to 3.4.4-2.10
php54-pecl-imagick - update to 3.4.4-2.11
php55-pecl-imagick - update to 3.4.4-2.15
php56-pecl-imagick - update to 3.4.4-2.16
ImageMagick - update to 6.9.10.68-3.22

External References

Related Security Bulletins