Infinite loop in ImageMagick - CVE-2017-18271

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Main Vulnerability Database Vulnerabilities #VU13039

Infinite loop in ImageMagick - CVE-2017-18271

Published: May 28, 2018 / Updated: May 29, 2018


Vulnerability identifier: #VU13039
CSH Severity: Low
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-18271
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to infinite loop in the function ReadMIFFImage in coders/miff.c. A remote attacker can submit a specially crafted MIFF image file, trigger CPU exhaustion and cause the service to crash.


Affected software

ImageMagick
Amazon Linux AMI
Opensuse
openSUSE Leap
php70-pecl-imagick
php71-pecl-imagick
php72-pecl-imagick
php54-pecl-imagick
php55-pecl-imagick
php56-pecl-imagick
ImageMagick

How to mitigate CVE-2017-18271

Install update from vendor's website.

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