Published advisory · ZDI-25-070
PDF-XChange Editor RTF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
CVSS severity
7.8/ 10.0 · High
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HVulnerability analysis
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 RTF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
Disclosure timeline
- Vulnerability reported to vendor
- Coordinated public release of advisory
References