Resource exhaustion in ImageMagick - CVE-2017-12806

 

Resource exhaustion in ImageMagick - CVE-2017-12806

Published: July 8, 2019


Vulnerability identifier: #VU19048
CSH Severity: Medium
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-12806
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to memory exhaustion when processing images within the format8BIM() function. A remote attacker can create a specially crafted image, pass it to the affected application and consume all available memory on the system.


Affected software

ImageMagick
Amazon Linux AMI
Fedora
Ubuntu
Opensuse
perlmagick (Ubuntu package)
libmagickwand5 (Ubuntu package)
libmagickwand-dev (Ubuntu package)
libmagickcore5-extra (Ubuntu package)
imagemagick (Ubuntu package)
libmagick++-dev (Ubuntu package)
libmagick++5 (Ubuntu package)
libmagickcore-dev (Ubuntu package)
libmagickcore5 (Ubuntu package)
GraphicsMagick
php70-pecl-imagick
php71-pecl-imagick
php72-pecl-imagick
php54-pecl-imagick
php55-pecl-imagick
php56-pecl-imagick
ImageMagick

How to mitigate CVE-2017-12806

Install updates from vendor's website.

ImageMagick - update to 7.0.6-7
perlmagick (Ubuntu package) - update to Ubuntu Pro (Infra-only)
libmagickwand5 (Ubuntu package) - update to Ubuntu Pro (Infra-only)
libmagickwand-dev (Ubuntu package) - update to Ubuntu Pro (Infra-only)
libmagickcore5-extra (Ubuntu package) - update to Ubuntu Pro (Infra-only)
imagemagick (Ubuntu package) - update to Ubuntu Pro (Infra-only)
libmagick++-dev (Ubuntu package) - update to Ubuntu Pro (Infra-only)
libmagick++5 (Ubuntu package) - update to Ubuntu Pro (Infra-only)
libmagickcore-dev (Ubuntu package) - update to Ubuntu Pro (Infra-only)
libmagickcore5 (Ubuntu package) - update to Ubuntu Pro (Infra-only)
GraphicsMagick - addressed in versions 1.3.32-1.fc29, 1.3.32-1.fc30, 1.3.34-1.el7, 1.3.34-1.el8
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