Ashlar-Vellum Cobalt VC6 File Parsing Heap-Based Buffer Overflow Remote Code Execution Vulnerability

A heap-based buffer overflow vulnerability allowing remote code execution has been identified in Ashlar-Vellum Cobalt, specifically within the VC6 file parsing process. The vulnerability arises from inadequate validation of user-supplied data lengths before copying them to a heap-based buffer. Exploitation of this vulnerability requires user interaction, as the target must open a malicious file or visit a harmful webpage.

Impact

Exploitation of this vulnerability allows for arbitrary code execution on the affected system, with the executed code running in the context of the current process.