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CVE-2023-39253 : Security Advisory and Response

Learn about CVE-2023-39253, a high-severity Improper Access Control Vulnerability in Dell OS Recovery Tool versions 2.2.4013, 2.3.7012.0, and 2.3.7515.0, allowing privilege escalation.

A detailed overview of CVE-2023-39253 highlighting the vulnerability found in Dell OS Recovery Tool versions 2.2.4013, 2.3.7012.0, and 2.3.7515.0, leading to an Improper Access Control Vulnerability and potential privilege escalation.

Understanding CVE-2023-39253

This section delves into the specifics of CVE-2023-39253, focusing on the vulnerability impact, affected systems, and exploitation mechanism.

What is CVE-2023-39253?

The CVE-2023-39253 pertains to an Improper Access Control Vulnerability identified in the Dell OS Recovery Tool, specifically in versions 2.2.4013, 2.3.7012.0, and 2.3.7515.0. This vulnerability can be exploited by a local authenticated non-administrator user, potentially resulting in privilege escalation on the system.

The Impact of CVE-2023-39253

The impact of CVE-2023-39253 is rated as HIGH, with a CVSS base score of 7.3. The vulnerability's severity is classified as HIGH due to the ease of attack, potential data confidentiality, integrity, and availability breaches, and low privileges required for exploitation. The attack vector is local, and user interaction is required for successful exploitation.

Technical Details of CVE-2023-39253

This section provides a deeper insight into the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Dell OS Recovery Tool versions 2.2.4013, 2.3.7012.0, and 2.3.7515.0 allows a local authenticated non-administrator user to gain unauthorized access, potentially leading to the escalation of privileges on the system.

Affected Systems and Versions

The affected systems include Dell OS Recovery Tool versions 2.2.4013, 2.3.7012.0, and 2.3.7515.0. Users operating these versions are at risk of exploitation and privilege escalation.

Exploitation Mechanism

To exploit CVE-2023-39253, a local authenticated non-administrator user can take advantage of the vulnerability present in the affected versions, enabling them to elevate their privileges on the system.

Mitigation and Prevention

In this section, we discuss the immediate steps to address the vulnerability and provide long-term security practices to enhance system protection.

Immediate Steps to Take

Users are advised to apply the security update provided by Dell to mitigate the vulnerability. It is crucial to implement this patch promptly to prevent potential privilege escalation attacks.

Long-Term Security Practices

To enhance system security in the long run, users are recommended to follow security best practices, including regular system updates, monitoring access controls, and restricting non-administrator permissions.

Patching and Updates

Dell has released a security update addressing the CVE-2023-39253 vulnerability. Users should download and apply this patch to ensure their system is protected from potential exploitation.

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