CVE-2020-5342 : Vulnerability Insights and Analysis

Dell Digital Delivery versions prior to 3.5.2015 contain an incorrect default permissions vulnerability that could allow a locally authenticated low-privileged user to execute arbitrary code with administrative privileges.

Understanding CVE-2020-5342

This CVE involves a vulnerability in Dell Digital Delivery software that could lead to privilege escalation on the affected system.

What is CVE-2020-5342?

CVE-2020-5342 is a vulnerability in Dell Digital Delivery versions before 3.5.2015 that allows a low-privileged authenticated user to run arbitrary executables with administrative privileges due to incorrect default permissions.

The Impact of CVE-2020-5342

The impact of this vulnerability is rated as high, with a CVSS base score of 7.8. It affects confidentiality, integrity, and availability of the system. The attack complexity is low, and no user interaction is required.

Technical Details of CVE-2020-5342

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from incorrect default permissions in Dell Digital Delivery software, enabling unauthorized users to escalate their privileges.

Affected Systems and Versions

Product: Dell Digital Delivery (Cirrus)
Vendor: Dell
Versions Affected: < 3.5.2013.0 (unspecified custom version)

Exploitation Mechanism

Attack Vector: Local
Privileges Required: Low
Scope: Unchanged
Exploitation: A locally authenticated low-privileged user can exploit the vulnerability to execute arbitrary code with elevated privileges.

Mitigation and Prevention

Protecting systems from CVE-2020-5342 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Dell Digital Delivery to version 3.5.2015 or higher to mitigate the vulnerability.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Implement the principle of least privilege to restrict user permissions.
Regularly audit and review system permissions and configurations.

Patching and Updates

Apply security patches and updates provided by Dell to address known vulnerabilities.