CVE-2023-32653 : Security Advisory and Response

A detailed overview of the CVE-2023-32653 vulnerability affecting Accusoft ImageGear 20.1.

Understanding CVE-2023-32653

This section dives into the vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2023-32653?

CVE-2023-32653 is an out-of-bounds write vulnerability present in the dcm_pixel_data_decode function of Accusoft ImageGear 20.1. Exploitation of this flaw can result in arbitrary code execution when a specially crafted malicious file is opened by a user.

The Impact of CVE-2023-32653

With a CVSS v3.1 base score of 9.8 (Critical), this vulnerability poses a significant threat. It can lead to high impacts on confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2023-32653

Let's explore the specifics of the vulnerability.

Vulnerability Description

The vulnerability stems from an integer underflow (wrap or wraparound) issue (CWE-191) in the dcm_pixel_data_decode function.

Affected Systems and Versions

Accusoft's ImageGear version 20.1 is confirmed to be affected by this vulnerability.

Exploitation Mechanism

By crafting a malformed file, threat actors can trigger an out-of-bounds write that may lead to arbitrary code execution upon file opening.

Mitigation and Prevention

Discover the steps to mitigate and prevent exploitation of CVE-2023-32653.

Immediate Steps to Take

Users are advised to update ImageGear to a patched version to mitigate the vulnerability. Avoid opening suspicious or untrusted files.

Long-Term Security Practices

Regularly update software, follow secure coding practices, and educate users on file safety best practices.

Patching and Updates

Stay informed about security updates provided by Accusoft and promptly apply patches to safeguard systems.