CVE-2023-40473 PDF-XChange Editor Doc Object 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 out-of-bounds read in PDF-XChange Editor by tricking users into opening malicious files.

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-2023-40473?

CVE-2023-40473 is a low-severity vulnerability in Pdf-Xchange Pdf-Xchange Editor, 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 Doc Object 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 handling of Doc objects. By performing actions in JavaScript, an attacker can trigger 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-20891.

Weakness: CWE-125

Which versions are affected by CVE-2023-40473?

It affects 1 product.

Products include Pdf-Xchange Pdf-Xchange Editor.

How do I fix CVE-2023-40473?

No fix has been published for CVE-2023-40473 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-40473 being exploited?

There is no known exploitation of CVE-2023-40473 in the wild and no public exploit code.

All Pdf-Xchange Pdf-Xchange Editor vulnerabilities

Sources

Also known as GHSA-3hjf-h43w-9frf.