ZDI-CAN-25421: ZDI-25-070: PDF-XChange Editor RTF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
First published: Fri Jan 31 2025(Updated: )
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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| PDF-XChange Editor |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-25421?
ZDI-CAN-25421 has a high severity level due to its potential for remote code execution.
How do I fix ZDI-CAN-25421?
To fix ZDI-CAN-25421, update your PDF-XChange Editor to the latest version provided by Tracker Software.
What type of attack exploits ZDI-CAN-25421?
ZDI-CAN-25421 can be exploited through social engineering, requiring user interaction with a malicious page or file.
What versions of PDF-XChange Editor are affected by ZDI-CAN-25421?
ZDI-CAN-25421 affects all versions of PDF-XChange Editor without requiring specific version details.
Can ZDI-CAN-25421 be exploited without user interaction?
No, the exploitation of ZDI-CAN-25421 necessitates user interaction to visit a malicious site or open a harmful file.
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