CVE-2023-26366 Explained : Impact and Mitigation

This CVE-2023-26366 was published by Adobe on October 13, 2023, highlighting a Server-Side Request Forgery (SSRF) vulnerability affecting Adobe Commerce versions 2.4.7-beta1 and earlier.

Understanding CVE-2023-26366

This vulnerability poses a significant risk as it could potentially lead to arbitrary file system read due to a high-privileged authenticated attacker's ability to force the application to make arbitrary requests via injection of URLs.

What is CVE-2023-26366?

The CVE-2023-26366 is a Server-Side Request Forgery (SSRF) vulnerability found in Adobe Commerce versions 2.4.7-beta1 and earlier. This flaw enables a high-privileged authenticated attacker to manipulate the application into making unauthorized requests through the injection of arbitrary URLs.

The Impact of CVE-2023-26366

Exploiting this SSRF vulnerability does not necessitate user interaction, and the scope is heightened as an attacker can perform file reads beyond the application's designated path boundary. The potential repercussions of unauthorized requests and arbitrary file system read could lead to severe data breaches and security compromises.

Technical Details of CVE-2023-26366

The vulnerability is classified with a CVSSv3.1 base score of 6.8, indicating a Medium severity level with a significant confidentiality impact but no integrity or availability impact. The attack vector is through the network with a low attack complexity.

Vulnerability Description

The SSRF vulnerability in Adobe Commerce allows a high-privileged attacker to make arbitrary requests via injected URLs, potentially leading to unauthorized file system reads and compromising the application's security.

Affected Systems and Versions

This vulnerability impacts Adobe Commerce versions 2.4.7-beta1 and earlier, 2.4.6-p2 and earlier, 2.4.5-p4 and earlier, as well as 2.4.4-p5 and earlier.

Exploitation Mechanism

The exploitation of CVE-2023-26366 does not require user interaction. The attacker, with high privileges, can manipulate the system to execute unauthorized requests leading to arbitrary file system reads beyond the application's designated path boundary.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2023-26366 and implement long-term security practices to prevent similar vulnerabilities.

Immediate Steps to Take

Organizations should update Adobe Commerce to a patched version that addresses this SSRF vulnerability.
Implement strict input validation to prevent malicious URL injections and unauthorized requests.

Long-Term Security Practices

Regularly monitor and update software to ensure that known vulnerabilities are promptly addressed.
Conduct security assessments and audits to identify and remediate potential weaknesses in the system.

Patching and Updates

Adobe has released patches to address the SSRF vulnerability in Adobe Commerce versions mentioned. It is essential for users to promptly apply these updates to secure their systems and prevent exploitation of the SSRF flaw.