Denial of Service Vulnerability in GraphicsMagick by Artifex Software
CVE-2018-20189
6.5MEDIUM
What is CVE-2018-20189?
The vulnerability found in GraphicsMagick version 1.3.31 involves the ReadDIBImage function in the coders/dib.c file. It can be exploited using a specially crafted DIB file designed to mimic direct pixel values. This results in a crash of the application, leading to a denial of service. The issue arises due to the lack of proper initialization of indexes when processing color mapping, which is not supported beyond 8-bits per sample. Proper mitigation strategies should be employed to protect against potential service disruptions.
