CVE-2023-24576 Explained : Impact and Mitigation

This CVE record, assigned by Dell, was published on February 3, 2023, highlighting a potential unauthenticated remote code execution vulnerability in EMC NetWorker Client.

Understanding CVE-2023-24576

This section delves into the details of CVE-2023-24576, focusing on what the vulnerability entails and its potential impacts.

What is CVE-2023-24576?

CVE-2023-24576 points out a vulnerability in the NetWorker Client execution service (nsrexecd) of EMC NetWorker, leaving it potentially exposed to unauthenticated remote code execution attacks, regardless of any authentication protocols implemented.

The Impact of CVE-2023-24576

The vulnerability poses a high risk, with a CVSS v3.1 base score of 7.5 (High severity). It could lead to unauthorized code execution with high confidentiality impact, although it does not impact availability or integrity.

Technical Details of CVE-2023-24576

This section provides technical insights into the vulnerability, including its description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in EMC NetWorker Client allows for unauthenticated remote code execution through the nsrexecd service, potentially enabling attackers to execute arbitrary code on affected systems.

Affected Systems and Versions

NetWorker, NVE versions less than or equal to 19.7.0.2, 19.8, and earlier versions are susceptible to this vulnerability. Specifically, the NetWorker Client module is affected.

Exploitation Mechanism

Attackers can exploit this vulnerability remotely over the network without requiring any user interaction, leveraging its low attack complexity and network attack vector.

Mitigation and Prevention

To safeguard systems against CVE-2023-24576, immediate steps should be taken, in addition to implementing long-term security practices and applying necessary patches and updates.

Immediate Steps to Take

Organizations should consider restricting network access to vulnerable services, ensuring proper authentication mechanisms are in place, and monitoring for any suspicious activities related to the vulnerability.

Long-Term Security Practices

Implementing network segmentation, regular security audits, conducting security training for employees, and staying informed about security best practices can help enhance the overall security posture of the organization.

Patching and Updates

Dell has released a security update addressing the vulnerability in NetWorker. Organizations using the affected versions should promptly apply the provided patches to mitigate the risk associated with CVE-2023-24576.