Reachable Assertion in ImageMagick - CVE-2018-16749

Vulnerability identifier: #VU14739

CSH Severity: Low

CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-16749

CWE-ID: CWE-617

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 a missing NULL check in ReadOneJNGImage() function in coders/png.c. A remote attacker can trigger an assertion failure with a specially crafted image file and crash the vulnerable application.

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

Install updates 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

• https://github.com/ImageMagick/ImageMagick/issues/1119
• https://github.com/ImageMagick/ImageMagick6/commit/1007b98f8795ad4bea6bc5f68a32d83e982fdae4

• Denial of service in ImageMagick
• OpenSUSE Linux update for GraphicsMagick
• OpenSUSE Linux update for ImageMagick
• Reachable Assertion in imagemagick6 (Alpine package)
• 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