PDF-XChange Editor EMF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
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 EMF 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.
Additional Details
PDF-XChange has issued an update to correct this vulnerability. More details can be found at:
https://www.tracker-software.com/support/security-bulletins.html
Disclosure Timeline
- 2023-08-29 - Vulnerability reported to vendor
- 2023-09-08 - Coordinated public release of advisory
Credit
Mat Powell of Trend Micro Zero Day Initiative
