Zero Day Initiative AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Zero Day Initiative CWE-787

PDF-XChange Editor U3D File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. 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 write  past the end of an allocated object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-20924.

Zero Day Initiative https://www.tracker-software.com/support/security-bulletins.html [No types assigned]

Zero Day Initiative https://www.zerodayinitiative.com/advisories/ZDI-23-1348/ [No types assigned]