CVE-2023-28481 Explained : Impact and Mitigation

This CVE record details a security vulnerability identified in Tigergraph Enterprise 3.7.0 that allows unsecured write access to SSH authorized keys file, potentially leading to password-less SSH key access for attackers.

Understanding CVE-2023-28481

This section delves into the nature of CVE-2023-28481 and its potential impact on systems and security.

What is CVE-2023-28481?

CVE-2023-28481 refers to an issue in Tigergraph Enterprise 3.7.0 where unauthorized write access to the SSH authorized keys file permits any code running as the tigergraph user to add their SSH public key. This flaw enables an attacker to gain password-less SSH key access using their own key.

The Impact of CVE-2023-28481

The impact of this vulnerability is significant as it compromises the security of systems running Tigergraph Enterprise 3.7.0. Attackers could potentially exploit this flaw to gain unauthorized access to sensitive information and carry out malicious activities within the affected environment.

Technical Details of CVE-2023-28481

Here, we explore the technical aspects of CVE-2023-28481 including the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in Tigergraph Enterprise 3.7.0 allows unprivileged users to modify the SSH authorized keys file, granting them the ability to insert their own SSH public key for password-less access.

Affected Systems and Versions

The issue impacts Tigergraph Enterprise 3.7.0 specifically. Other versions may not be affected, but users of this particular version should take immediate action to address the vulnerability.

Exploitation Mechanism

Exploiting this vulnerability involves an attacker running arbitrary code as the tigergraph user to insert their SSH public key into the authorized keys file. This unauthorized access could compromise system security.

Mitigation and Prevention

In this section, we outline steps to mitigate the risks posed by CVE-2023-28481 and prevent potential exploitation of the vulnerability.

Immediate Steps to Take

Admins and users of Tigergraph Enterprise 3.7.0 are advised to restrict access to the SSH authorized keys file, monitor for unauthorized modifications, and implement additional security measures to prevent unauthorized key insertions.

Long-Term Security Practices

To enhance overall system security, organizations should follow a comprehensive security strategy that includes regular security audits, access control reviews, employee training on security best practices, and the implementation of least privilege principles.

Patching and Updates

It is crucial for organizations to stay informed about security patches released by Tigergraph for addressing CVE-2023-28481. Applying updates and patches in a timely manner can help close security loopholes and protect systems from potential threats.