Memory leak in ImageMagick - CVE-2018-11656

Vulnerability identifier: #VU79926

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-11656

CWE-ID: CWE-401

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to memory leak within the ReadDCMImage() function in coders/dcm.c. A remote attacker can perform a denial of service attack via a a crafted DCM image file.

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

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

• https://github.com/ImageMagick/ImageMagick/issues/931

• Denial of service in ImageMagick
• Amazon Linux AMI update for php72-pecl-imagick
• Amazon Linux AMI update for php71-pecl-imagick
• Amazon Linux AMI update for php70-pecl-imagick
• Amazon Linux AMI update for php55-pecl-imagick
• Amazon Linux AMI update for php56-pecl-imagick
• Amazon Linux AMI update for php54-pecl-imagick
• Amazon Linux AMI update for ImageMagick