Heap-based buffer over-read in GraphicsMagick - CVE-2018-20185

 

Heap-based buffer over-read in GraphicsMagick - CVE-2018-20185

Published: December 18, 2018


Vulnerability identifier: #VU16587
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2018-20185
CWE-ID: CWE-126
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GraphicsMagick Group
Affected software:
GraphicsMagick

Detailed vulnerability description

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

The vulnerability exists in GraphicsMagick installations with customized BMP limits due to heap-based buffer over-read in the ReadBMPImage function of bmp.c when processing malicious input. A remote attacker can cause the service to crash via a crafted bmp image file.


How to mitigate CVE-2018-20185

Install update from vendor's website.

Sources