Two vulnerabilities exist in Corel PDF Fusion. The first vulnerability is a DLL hijacking vulnerability targeting wintab32.dll that occurs when opening PDF or XPS files on a WebDAV or SMB share. The second vulnerability is a stack-based buffer overflow that can occur when parsing filenames in ZIP directory entries of an XPS file.
Corel PDF Fusion 1.11 and prior
Remote Code Execution
Exploitation of these vulnerabilities is possible through the use of methods like drive-by attacks. Remote attackers who successfully exploit this vulnerability will be able to execute code on the vulnerable system with the same rights as the currently logged on user.
BeyondTrust Prevention and Detection:
BeyondTrust's Retina® Network Security Scanner scans devices to detect for this vulnerability.
- 19621 - Corel PDF Fusion Multiple Vulnerabilities (Zero-Day)
To mitigate the WebDAV vulnerability, disable WebClient (WebDAV), and block TCP ports 139 and 445.