CVE-2023-42074: PDF-XChange Editor addScript Type Confusion Remote Code Execution Vulnerability

Published May 3, 2024

Updated

PDF-XChange Editor addScript Type Confusion Remote Code Execution Vulnerability. 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 implementation of the addScript method. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-21338.

Affected Software

3 affected components

PDF-XChange PDF-XChange Editor

PDF-XChange Pdf-tools=9.5.368.0

PDF-XChange PDF-XChange Editor=9.5.368.0

Event History

May 3, 2024

CVE Published

via MITRE·02:12 AM

Data Sourced

via MITRE·02:12 AM

DescriptionSeverityWeakness

Mar 25, 2025

Advisory Published

via ZDI·12:47 AM

Frequently Asked Questions

What is the severity of CVE-2023-42074?

CVE-2023-42074 has a critical severity level due to its potential for remote code execution.

How do I fix CVE-2023-42074?

To fix CVE-2023-42074, update to the latest version of PDF-XChange Editor as provided by Tracker Software.

What type of vulnerability is CVE-2023-42074?

CVE-2023-42074 is a type confusion vulnerability that allows remote code execution.

What versions of PDF-XChange Editor are affected by CVE-2023-42074?

CVE-2023-42074 affects specific versions of PDF-XChange Editor that have not been patched against this vulnerability.

Is user interaction required to exploit CVE-2023-42074?

Yes, user interaction is required, as the target must open a malicious document to exploit CVE-2023-42074.