NULL pointer dereference in ImageMagick - CVE-2017-18209

Vulnerability identifier: #VU11192

CSH Severity: Low

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-2017-18209

CWE-ID: CWE-476

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The weakness exists in the GetOpenCLCachedFilesDirectory function due to NULL pointer dereference. A remote attacker can trigger memory allocation and cause the service to crash.

ImageMagick

Install update from vendor's website.

• https://github.com/ImageMagick/ImageMagick/issues/790

• Denial of service in ImageMagick