Null pointer dereference in ImageMagick - CVE-2018-16329
Published: September 5, 2018
Vulnerability identifier: #VU14610
CSH Severity: Low
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-16329
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 vulnerability exists in the GetMagickProperty function of ImageMagick due to boundary error when processing malicious input. A remote attacker can trick the victim into accessing an image file that submits malicious input, trigger a NULL pointer dereference condition in the GetMagickProperty function as defined in the MagickCore/log.c source code file and cause the service to crash.
Affected software
ImageMagick
imagemagick6 (Alpine package)
Opensuse
imagemagick6 (Alpine package)
Opensuse
How to mitigate CVE-2018-16329
Update to version 7.0.8-8.
ImageMagick - update to 7.0.8-8
imagemagick6 (Alpine package) - update to 6.9.10.37-r0
imagemagick6 (Alpine package) - update to 6.9.10.37-r0