CVE-2024-8839 PDF-XChange Editor JB2 File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

Low 3.3 Published 22 Nov 2024 Updated 23 Nov 2024

Remote attackers can disclose sensitive information via a malicious JB2 file in PDF-XChange Editor, potentially aiding further code execution.

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-2024-8839?

CVE-2024-8839 is a low-severity vulnerability in Pdf-Xchange Pdf-Tools, published on 22 Nov 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 JB2 File Parsing Out-Of-Bounds Read 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 JB2 files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-24419.

Weakness: CWE-125

Which versions are affected by CVE-2024-8839?

It affects 2 products.

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

How do I fix CVE-2024-8839?

No fix has been published for CVE-2024-8839 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-8839 being exploited?

There is no known exploitation of CVE-2024-8839 in the wild and no public exploit code.

All Pdf-Xchange Pdf-Tools vulnerabilities

Sources

Also known as GHSA-w6wr-rvjr-vqcm.