CVE-2022-24581 Explained : Impact and Mitigation

ACEweb Online Portal 3.5.065 allows unauthenticated SMB hash capture via UNC. An attacker can induce the victim server to disclose the username and password hash of the user by specifying the UNC file path of an external SMB share while uploading a file.

Understanding CVE-2022-24581

This section will discuss the impact and technical details of CVE-2022-24581.

What is CVE-2022-24581?

CVE-2022-24581 refers to a vulnerability in ACEweb Online Portal 3.5.065 that enables unauthorized capture of SMB hashes via UNC, potentially exposing sensitive user credentials.

The Impact of CVE-2022-24581

The vulnerability allows threat actors to extract username and password hashes of users utilizing the ACEweb Online software, compromising system security and potentially leading to unauthorized access.

Technical Details of CVE-2022-24581

Let's delve into the specifics of the vulnerability, including its description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The flaw in ACEweb Online Portal 3.5.065 permits unauthenticated users to capture SMB hashes via UNC, exploiting the upload functionality to access user credential information.

Affected Systems and Versions

As per the provided data, the vulnerability impacts ACEweb Online Portal version 3.5.065, exposing users of this specific version to the risk of credential disclosure.

Exploitation Mechanism

By inputting a malicious UNC file path from an external SMB share during file uploads, attackers can trick the server into revealing user hashes, facilitating unauthorized access.

Mitigation and Prevention

Learn how to safeguard your systems against CVE-2022-24581 and mitigate the associated risks.

Immediate Steps to Take

Organizations should promptly update ACEweb Online Portal to a patched version, restrict access to sensitive information, and monitor for any unauthorized access attempts.

Long-Term Security Practices

Implement stringent access controls, conduct regular security audits, educate users on secure practices, and consider network segmentation to enhance overall security posture.

Patching and Updates

Stay informed about security updates from the vendor, prioritize patch deployment, and maintain vigilant monitoring for any indications of compromise.