NULL pointer dereference in GraphicsMagick - CVE-2017-11642

 

NULL pointer dereference in GraphicsMagick - CVE-2017-11642

Published: July 26, 2017 / Updated: August 3, 2020


Vulnerability identifier: #VU33239
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-11642
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a NULL pointer dereference error in the WriteMAPImage() function in coders/map.c when processing a non-colormapped image, a different vulnerability than CVE-2017-11638. A remote attacker can perform a denial of service (DoS) attack.


Affected software

GraphicsMagick
graphicsmagick (Alpine package)
GraphicsMagick
Fedora

How to mitigate CVE-2017-11642

Update to version 1.3.27.

GraphicsMagick - update to 1.3.27
graphicsmagick (Alpine package) - update to 1.3.25-r3
GraphicsMagick - addressed in versions 1.3.32-1.fc29, 1.3.32-1.fc30, 1.3.34-1.el7, 1.3.34-1.el8

External References

Related Security Bulletins