PDF-XChange Editor EMF File Parsing Untrusted Pointer Dereference 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 a user-supplied value prior to dereferencing it as a pointer. 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/product/pdf-xchange-editor/history
Disclosure Timeline
- 2022-09-28 - Vulnerability reported to vendor
- 2023-03-31 - Coordinated public release of advisory
Credit
Rocco Calvi (@TecR0c) with TecSecurity
