Advisory Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Kofax Power PDF. 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 parsing of U3D files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

07/20/23 – ZDI reported the vulnerabilities to the vendor
07/20/23 – The vendor acknowledged the reports
07/28/23 – The vendor confirmed the issues
12/15/23 – The vendor communicated that the cases would be fixed in Q2 2024
12/15/23 – ZDI notified the vendor of the intention to publish the cases as 0-day advisories

-- Mitigation: Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the application.

• 2023-07-20 - Vulnerability reported to vendor
• 2023-12-21 - Coordinated public release of advisory
• 2023-12-21 - Advisory Updated