CVE-2023-42056: PDF-XChange Editor U3D File Parsing Uninitialized Variable Information Disclosure Vulnerability

Published May 3, 2024
·
Updated

PDF-XChange Editor U3D File Parsing Uninitialized Variable Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information 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 U3D files. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-20929.

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

1

What is the severity of CVE-2023-42056?

CVE-2023-42056 is rated as a medium severity vulnerability due to its potential for information disclosure.

2

How do I fix CVE-2023-42056?

To fix CVE-2023-42056, update to the latest version of PDF-XChange Editor available from the vendor.

3

What type of systems are affected by CVE-2023-42056?

CVE-2023-42056 affects installations of PDF-XChange Editor that handle U3D file parsing.

4

Is user interaction required to exploit CVE-2023-42056?

Yes, user interaction is required to exploit CVE-2023-42056, as the attack involves opening a malicious U3D file.

5

What information can be disclosed due to CVE-2023-42056?

CVE-2023-42056 can potentially lead to the disclosure of sensitive information from the affected system.

Contact

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