PDF-XChange Editor XPS File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability
Rocco Calvi
ZDI ID: ZDI-24-1254
ZDI-CAN: ZDI-CAN-24316
- CVSS
- 7.8 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Affected Vendors
- PDF-XChange
- Affected Products
- PDF-XChange Editor
Vulnerability Details
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 XPS 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.
Additional Details
Disclosure Timeline
- 2024-06-06 — Vulnerability reported to vendor
- 2024-09-17 — Coordinated public release of advisory