CVE-2023-39495 PDF-XChange Editor readFileIntoStream Exposed Dangerous Function Information Disclosure Vulnerability

Medium 5.5 Published 3 May 2024 Updated 2 Aug 2024

Remote attackers can disclose sensitive information by tricking users into opening malicious files or visiting malicious pages in PDF-XChange Editor.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-39495?

CVE-2023-39495 is a medium-severity vulnerability in Pdf-Xchange Pdf-Tools, published on 3 May 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

PDF-XChange Editor readFileIntoStream Exposed Dangerous Function 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 readFileIntoStream method. The issue results from the exposure of a dangerous function. An attacker can leverage this vulnerability to disclose information in the context of the current user. Was ZDI-CAN-19657.

Weakness: CWE-749

Which versions are affected by CVE-2023-39495?

It affects 2 products.

Products include Pdf-Xchange Pdf-Tools, Pdf-Xchange Pdf-Xchange Editor.

How do I fix CVE-2023-39495?

No fix has been published for CVE-2023-39495 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-39495 being exploited?

There is no known exploitation of CVE-2023-39495 in the wild and no public exploit code.

All Pdf-Xchange Pdf-Tools vulnerabilities

Sources

Also known as GHSA-hqpm-5797-2gxf.