CVE-2023-39259 : Exploit Details and Defense Strategies

Understanding CVE-2023-39259

This CVE-2023-39259 impacts Dell OS Recovery Tool versions 2.2.4013, 2.3.7012.0, and 2.3.7515.0, presenting an Improper Access Control Vulnerability.

What is CVE-2023-39259?

Dell OS Recovery Tool versions 2.2.4013, 2.3.7012.0, and 2.3.7515.0 are affected by an Improper Access Control Vulnerability. This vulnerability could be exploited by a local authenticated non-administrator user to elevate privileges on the system.

The Impact of CVE-2023-39259

The vulnerability poses a high risk with a CVSSv3.1 base score of 7.3, indicating a high severity level. It could lead to the unauthorized elevation of privileges for a local non-administrator user.

Technical Details of CVE-2023-39259

This section provides specific technical details of the vulnerability.

Vulnerability Description

The Improper Access Control Vulnerability in Dell OS Recovery Tool allows local non-administrator users to exploit the system and gain elevated privileges.

Affected Systems and Versions

Product: Dell OS Recovery Tool
Vendor: Dell
Affected Versions: 2.2.4013, 2.3.7012.0, 2.3.7515.0

Exploitation Mechanism

A local authenticated non-administrator user can exploit this vulnerability to escalate their system privileges on the affected versions.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-39259, immediate and long-term steps need to be taken.

Immediate Steps to Take

Update Dell OS Recovery Tool to a patched version immediately.
Limit access to non-administrator users until the patch is applied.

Long-Term Security Practices

Regularly update software and firmware to the latest versions.
Enforce the principle of least privilege to restrict access.

Patching and Updates

Refer to the vendor advisory link for detailed instructions on patching Dell OS Recovery Tool.