CVE-2023-28055 : What You Need to Know

This CVE record was published by Dell on September 26, 2023, for a vulnerability identified as CVE-2023-28055 affecting Dell NetWorker versions 19.7 through 19.9.0.1.

Understanding CVE-2023-28055

The vulnerability in Dell NetWorker, Version 19.7, involves an improper authorization issue in the NetWorker client. An unauthenticated attacker within the same network could exploit this to gain complete access to the server files, potentially leading to information leaks, denial of service, and arbitrary code execution. Dell has recommended customers to upgrade to address this vulnerability promptly.

What is CVE-2023-28055?

CVE-2023-28055 is an improper authorization vulnerability in Dell NetWorker, specifically impacting versions 19.7 through 19.9.0.1. It allows an unauthorized attacker within the network to manipulate a command, potentially resulting in severe consequences like information leaks and arbitrary code execution.

The Impact of CVE-2023-28055

The impact of CVE-2023-28055 is significant, with a CVSS v3.1 base score of 8.8, categorizing it as a high-severity vulnerability. The vulnerability could lead to unauthorized access to server files, information disclosure, denial of service attacks, and arbitrary code execution.

Technical Details of CVE-2023-28055

The vulnerability is classified under CWE-285: Improper Authorization. It has a high severity base score of 8.8 in the CVSS v3.1 system, indicating a critical security risk.

Vulnerability Description

The improper authorization vulnerability in Dell NetWorker, Version 19.7, allows unauthenticated attackers to gain complete access to server files, potentially resulting in information leaks, denial of service, and arbitrary code execution.

Affected Systems and Versions

Dell NetWorker versions 19.7 through 19.9.0.1 are affected by CVE-2023-28055. Users of these versions are at risk of exploitation by unauthorized network attackers.

Exploitation Mechanism

Attackers within the same network as the vulnerable Dell NetWorker client can exploit the improper authorization vulnerability by manipulating a command, enabling them to gain unauthorized access to server files and carry out malicious activities.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-28055, users and organizations are advised to take immediate action and implement long-term security measures to protect their systems.

Immediate Steps to Take

Upgrade Dell NetWorker versions 19.7 through 19.9.0.1 to the latest secure version provided by Dell.
Implement network segmentation and access controls to limit unauthorized access within the network.

Long-Term Security Practices

Regularly monitor and update software and security patches to safeguard against known vulnerabilities.
Conduct security assessments and audits to identify and address potential weaknesses in the network infrastructure.

Patching and Updates

Dell has released a security update addressing CVE-2023-28055. Users of affected Dell NetWorker versions are strongly advised to apply the latest patches and updates provided by Dell to remediate the vulnerability and enhance system security.