(0Day) Corel PaintShop Pro GIF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

2020-04-02T00:00:00
ID ZDI-20-362
Type zdi
Reporter Mat Powell of Trend Micro Zero Day Initiative
Modified 2020-06-22T00:00:00

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Corel PaintShop Pro. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the processing of GIF files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated object. An attacker can leverage this vulnerability to execute code in the context of the current process.