CVE-2020-29489 : Exploit Details and Defense Strategies

Dell EMC Unity, Unity XT, and UnityVSA versions prior to 5.0.4.0.5.012 contain a plain-text password storage vulnerability that could allow a local attacker to gain unauthorized access.

Understanding CVE-2020-29489

This CVE involves a vulnerability in Dell's Unity storage products that could lead to unauthorized access due to plain-text password storage.

What is CVE-2020-29489?

The vulnerability in Dell EMC Unity, Unity XT, and UnityVSA versions prior to 5.0.4.0.5.012 allows a local authenticated attacker to access system files containing plain-text passwords, potentially compromising user credentials and privileges.

The Impact of CVE-2020-29489

The vulnerability has a CVSS base score of 6.4, indicating a medium severity issue with high impacts on confidentiality, integrity, and availability. Attack complexity is high, requiring local access without user interaction.

Technical Details of CVE-2020-29489

This section provides more in-depth technical details of the CVE.

Vulnerability Description

The vulnerability involves storing user passwords, including the Unisphere admin privilege user, in plain text within system files, enabling attackers to exploit exposed passwords for unauthorized access.

Affected Systems and Versions

Product: Unity
Vendor: Dell
Versions Affected: Prior to 5.0.4.0.5.012

Exploitation Mechanism

A local authenticated attacker with access to system files can exploit the plain-text password storage vulnerability to gain unauthorized access with compromised user privileges.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2020-29489, follow these mitigation strategies:

Immediate Steps to Take

Upgrade affected Dell EMC Unity, Unity XT, and UnityVSA versions to 5.0.4.0.5.012 or later.
Monitor system files for unauthorized access or modifications.
Implement strong password policies and encryption practices.

Long-Term Security Practices

Conduct regular security audits and vulnerability assessments.
Train users on secure password management and access control.

Patching and Updates

Apply security patches and updates provided by Dell to address the plain-text password storage vulnerability.