Double free error in ImageMagick - CVE-2018-8804

 

Double free error in ImageMagick - CVE-2018-8804

Published: April 13, 2018


Vulnerability identifier: #VU11817
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-8804
CWE-ID: CWE-415
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 weakness exists in WriteEPTImage in coders/ept.c due to double free error. A remote attacker can trick the victim into opening a specially crafted file and cause the service to crash.

Affected software

ImageMagick
Amazon Linux AMI
imagemagick6 (Alpine package)
php70-pecl-imagick
php71-pecl-imagick
php72-pecl-imagick
php54-pecl-imagick
php55-pecl-imagick
php56-pecl-imagick
ImageMagick

How to mitigate CVE-2018-8804

Install update from vendor's website.

imagemagick6 (Alpine package) - update to 6.9.10.37-r0
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