CVE-2023-42068 PDF-XChange Editor JB2 File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

Low 3.3 Published 3 May 2024 Updated 2 Aug 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-2023-42068?

CVE-2023-42068 is a low-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 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-20985.

Weakness: CWE-125

Which versions are affected by CVE-2023-42068?

It affects 2 products.

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

How do I fix CVE-2023-42068?

No fix has been published for CVE-2023-42068 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-42068 being exploited?

There is no known exploitation of CVE-2023-42068 in the wild and no public exploit code.

All Pdf-Xchange Pdf-Tools vulnerabilities

Sources

Also known as GHSA-px73-wrfm-6764.