CVE-2019-3734 : Exploit Details and Defense Strategies
Learn about CVE-2019-3734 affecting Dell EMC Unity and UnityVSA versions prior to 5.0.0.0.5.116. Understand the impact, technical details, and mitigation steps for this improper authorization vulnerability.
Dell EMC Unity and UnityVSA versions prior to 5.0.0.0.5.116 contain an improper authorization vulnerability in NAS Server quotas configuration, potentially allowing a remote authenticated Unisphere Operator to edit quota configurations of other users.
Understanding CVE-2019-3734
This CVE involves a security flaw in the authorization system for configuring NAS Server quotas in Dell EMC Unity and UnityVSA.
What is CVE-2019-3734?
The vulnerability in Dell EMC Unity and UnityVSA versions older than 5.0.0.0.5.116 allows unauthorized modification of quota configurations by a remote authenticated Unisphere Operator.
The Impact of CVE-2019-3734
- CVSS Base Score: 5.4 (Medium Severity)
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: Low
- Confidentiality Impact: None
- Integrity Impact: Low
- Availability Impact: Low
- Scope: Unchanged
- The vulnerability poses a moderate risk as it could be exploited by a remote attacker with low privileges.
Technical Details of CVE-2019-3734
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability lies in the improper authorization of NAS Server quotas configuration in Dell EMC Unity and UnityVSA.
Affected Systems and Versions
- Affected Product: Unity
- Vendor: DELL EMC
- Affected Version: 5.0 (custom)
Exploitation Mechanism
The flaw can be exploited by a remote authenticated Unisphere Operator to manipulate quota configurations of other users.
Mitigation and Prevention
Protect your systems from this vulnerability by following these steps:
Immediate Steps to Take
- Update Dell EMC Unity and UnityVSA to version 5.0.0.0.5.116 or later.
- Monitor and restrict access to the NAS Server quotas configuration.
Long-Term Security Practices
- Regularly review and update access control policies.
- Conduct security training for Unisphere Operators on proper configuration practices.
Patching and Updates
- Apply security patches and updates provided by Dell EMC to address this vulnerability.