(0Day) Corel PaintShop Pro TIF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

2020-04-02T00:00:00
ID ZDI-20-364
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 TIF files. When parsing TIF files, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length, heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.