NULL pointer dereference in ImageMagick - CVE-2017-14505

 

NULL pointer dereference in ImageMagick - CVE-2017-14505

Published: April 13, 2018


Vulnerability identifier: #VU11810
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-2017-14505
CWE-ID: CWE-476
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 DrawGetStrokeDashArray in wand/drawing-wand.c due to mishandling certain NULL arrays. A remote attacker can trick the victim into opening a specially crafted Image File, trigger NULL pointer dereference and cause the service to crash.

Affected software

ImageMagick
Fedora
ImageMagick

How to mitigate CVE-2017-14505

Install update from vendor's website.

ImageMagick - addressed in versions 6.9.9.22-1.fc26, 6.9.9.22-1.fc27

External References

Related Security Bulletins