CVE-2023-26367 : Vulnerability Insights and Analysis

This CVE-2023-26367 was published by Adobe on October 13, 2023. The vulnerability affects Adobe Commerce versions 2.4.7-beta1 and earlier, 2.4.6-p2 and earlier, 2.4.5-p4 and earlier, and 2.4.4-p5 and earlier. It involves an Improper Input Validation issue that could allow an admin-privilege authenticated attacker to perform arbitrary file system reads without requiring user interaction.

Understanding CVE-2023-26367

This section delves into the specifics of CVE-2023-26367, shedding light on the nature of the vulnerability and its potential impacts.

What is CVE-2023-26367?

CVE-2023-26367 is an Improper Input Validation vulnerability impacting specific versions of Adobe Commerce. This flaw enables an attacker with admin privileges to read arbitrary files on the system without the need for user interaction.

The Impact of CVE-2023-26367

The impact of this vulnerability is classified as medium severity. It poses a high risk to confidentiality as an attacker could potentially access sensitive information within the system.

Technical Details of CVE-2023-26367

In this section, we explore the technical aspects of CVE-2023-26367, including the vulnerability description, affected systems, versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Adobe Commerce allows an admin-privileged attacker to execute error-based file extraction through PHP filter chains during product bulk import logic.

Affected Systems and Versions

Adobe Commerce versions 2.4.7-beta1 and earlier, 2.4.6-p2 and earlier, 2.4.5-p4 and earlier, and 2.4.4-p5 and earlier are impacted by this vulnerability.

Exploitation Mechanism

The exploitation of CVE-2023-26367 does not require user interaction. Attackers with admin privileges can leverage this flaw to read files on the system.

Mitigation and Prevention

Mitigating and preventing the exploitation of CVE-2023-26367 is crucial for system security. Implementing immediate steps, long-term security practices, and applying necessary patches are essential.

Immediate Steps to Take

Administrators should upgrade affected Adobe Commerce versions to the latest secure releases.
Monitor system logs for any unusual file access or unauthorized activities.
Implement additional authentication layers for admin privileges.

Long-Term Security Practices

Conduct regular security audits and vulnerability assessments to identify and address potential threats.
Provide security awareness training for users to recognize and report suspicious activities.
Keep software and systems updated with the latest security patches and fixes.

Patching and Updates

Adobe has released patches to address the CVE-2023-26367 vulnerability. It is recommended to apply these patches promptly to secure affected systems and prevent exploitation by malicious actors.