CVE-2023-26393 : Security Advisory and Response

This CVE-2023-26393 information discusses a critical vulnerability affecting Adobe Substance 3D Stager application.

Understanding CVE-2023-26393

The CVE-2023-26393 vulnerability is centered around an out-of-bounds read flaw that occurs during the parsing of a manipulated file in Adobe Substance 3D Stager version 2.0.1 and earlier. This flaw could potentially lead to unauthorized code execution within the current user's context, posing a significant security risk.

What is CVE-2023-26393?

The CVE-2023-26393 vulnerability in Adobe Substance 3D Stager version 2.0.1 (and earlier) stems from an out-of-bounds read vulnerability during file parsing. This flaw allows an attacker to execute malicious code by tricking a user into opening a specially crafted file.

The Impact of CVE-2023-26393

With a CVSS base score of 7.8 (High), the CVE-2023-26393 vulnerability poses a severe risk to affected systems. Exploitation of this vulnerability can lead to unauthorized access, data manipulation, and potential system compromise.

Technical Details of CVE-2023-26393

The technical aspects of CVE-2023-26393 shed light on the vulnerability's nature, affected systems, and the possible exploitation methods.

Vulnerability Description

The vulnerability allows threat actors to trigger an out-of-bounds read condition by manipulating a file processed by Adobe Substance 3D Stager. This could lead to read access beyond the allocated memory, potentially enabling remote code execution.

Affected Systems and Versions

Adobe Substance 3D Stager versions up to and including 2.0.1 are impacted by this vulnerability. Users with the specified versions are at risk of exploitation if they interact with malicious files crafted to trigger the vulnerability.

Exploitation Mechanism

To exploit CVE-2023-26393, an attacker must entice a user to open a specially crafted file using Adobe Substance 3D Stager. Once the malicious file is processed, the out-of-bounds read vulnerability can be leveraged to execute arbitrary code on the targeted system.

Mitigation and Prevention

Protecting systems from CVE-2023-26393 involves immediate actions, long-term security practices, and timely patching procedures.

Immediate Steps to Take

Users of Adobe Substance 3D Stager version 2.0.1 and earlier should exercise caution when handling files from untrusted or unknown sources. Avoid opening suspicious files to minimize the risk of falling victim to exploitation.

Long-Term Security Practices

Implementing robust security measures such as regular software updates, user training on identifying phishing attempts, and maintaining a strong cybersecurity posture are vital for enhancing overall system security and resilience against potential threats.

Patching and Updates

Adobe Substance 3D Stager users are strongly advised to apply the necessary updates provided by Adobe to address the CVE-2023-26393 vulnerability. Installing security patches promptly can prevent malicious actors from exploiting the identified flaw and safeguard the integrity of the application and underlying systems.