CVE-2023-5540 : What You Need to Know

This CVE record discloses a moderate-risk authenticated remote code execution vulnerability in Imscp that was published on November 9, 2023, by Fedora.

Understanding CVE-2023-5540

This section provides an in-depth look at the CVE-2023-5540 vulnerability in Imscp and its potential impact.

What is CVE-2023-5540?

CVE-2023-5540 involves a remote code execution risk within the IMSCP activity, which, by default, was only accessible to teachers and managers.

The Impact of CVE-2023-5540

The vulnerability poses a moderate risk and allows an authenticated attacker to execute remote code, potentially leading to unauthorized access and control over the affected system.

Technical Details of CVE-2023-5540

Delving into the technical aspects of CVE-2023-5540 to understand the vulnerability better.

Vulnerability Description

The vulnerability allows for authenticated remote code execution in Imscp, providing potential avenues for malicious actors to exploit the system.

Affected Systems and Versions

Moodle: Versions 4.2.3, 4.1.6, 4.0.11, 3.11.17, 3.9.24 are reported as unaffected.
Extra Packages for Enterprise Linux 7: The Moodle package is affected.
Fedora: The Moodle package is also affected.

Exploitation Mechanism

The vulnerability stems from improper control of code generation, specifically code injection, enabling attackers with high privileges to execute code remotely.

Mitigation and Prevention

Understanding how to mitigate and prevent the risks associated with CVE-2023-5540 is crucial for safeguarding systems.

Immediate Steps to Take

Organizations should apply relevant patches and security updates promptly to address the vulnerability.
Limit access to the IMSCP activity to only essential users to minimize the attack surface.

Long-Term Security Practices

Conduct regular security assessments and audits to identify and remediate vulnerabilities promptly.
Educate users on best practices for system security and safe online behavior to prevent potential exploits.

Patching and Updates

Refer to the provided references for official patches and updates to fix the CVE-2023-5540 vulnerability in Imscp.