CVE-2020-5328 : Security Advisory and Response
Learn about CVE-2020-5328, a critical unauthorized access vulnerability in Dell EMC Isilon OneFS versions before 8.2.0, potentially leading to loss of cluster control. Find mitigation steps and security practices to safeguard your system.
Dell EMC Isilon OneFS versions prior to 8.2.0 have an unauthorized access vulnerability due to inadequate authorization checks when SyncIQ is licensed without marking encrypted syncs as required, potentially leading to a loss of cluster control.
Understanding CVE-2020-5328
This CVE involves a critical unauthorized access vulnerability in Dell EMC Isilon OneFS versions before 8.2.0, impacting the security of the system.
What is CVE-2020-5328?
CVE-2020-5328 is a security flaw in Isilon OneFS that allows unauthorized access due to insufficient authorization checks when using SyncIQ without mandatory encryption for syncs.
The Impact of CVE-2020-5328
The vulnerability has a CVSS base score of 9.8 (Critical) with high impacts on confidentiality, integrity, and availability. Exploitation could result in a loss of control over the affected cluster.
Technical Details of CVE-2020-5328
This section delves into the specific technical aspects of the CVE.
Vulnerability Description
The vulnerability arises from a lack of thorough authorization checks in Isilon OneFS versions prior to 8.2.0 when SyncIQ is licensed without enforcing encrypted syncs, potentially leading to unauthorized access.
Affected Systems and Versions
- Product: Isilon OneFS
- Vendor: Dell
- Versions Affected: < 8.2.0
- Version Type: Custom
Exploitation Mechanism
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged
Mitigation and Prevention
Protecting systems from CVE-2020-5328 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Dell promptly.
- Ensure all SyncIQ configurations enforce encrypted syncs.
- Monitor system logs for any suspicious activities.
Long-Term Security Practices
- Regularly update and patch Isilon OneFS to the latest versions.
- Conduct security audits and penetration testing to identify vulnerabilities.
- Educate system administrators on best security practices.
Patching and Updates
Dell has released security updates to address this vulnerability. It is crucial to apply these patches as soon as possible to mitigate the risk of unauthorized access.