CVE-2020-5383 : Security Advisory and Response
Learn about CVE-2020-5383 affecting Dell EMC Isilon OneFS and PowerScale OneFS versions, allowing remote attackers to trigger a process restart. Find mitigation steps and security practices.
Dell EMC Isilon OneFS version 8.2.2 and Dell EMC PowerScale OneFS version 9.0.0 contain a buffer overflow vulnerability in the Likewise component, potentially exploitable by remote attackers.
Understanding CVE-2020-5383
This CVE involves a buffer overflow vulnerability in Dell EMC Isilon OneFS and PowerScale OneFS versions, allowing remote unauthenticated attackers to trigger a process restart.
What is CVE-2020-5383?
The vulnerability in Dell EMC Isilon OneFS and PowerScale OneFS versions could be exploited by remote attackers to cause a process restart due to a buffer overflow in the Likewise component.
The Impact of CVE-2020-5383
The vulnerability has a CVSS base score of 5.3, indicating a medium severity issue. Attackers can exploit this flaw remotely without requiring privileges, potentially leading to a process restart.
Technical Details of CVE-2020-5383
This section provides more technical insights into the vulnerability.
Vulnerability Description
The buffer overflow vulnerability in Dell EMC Isilon OneFS and PowerScale OneFS versions allows remote unauthenticated attackers to manipulate the Likewise component, leading to a process restart.
Affected Systems and Versions
- Product: Isilon OneFS
- Vendor: Dell
- Versions Affected: Less than 9.0.0.0, 8.2.2
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: Low
Mitigation and Prevention
Protect your systems from CVE-2020-5383 with these mitigation strategies.
Immediate Steps to Take
- Apply vendor-supplied patches promptly.
- Monitor network traffic for any suspicious activity.
- Implement network segmentation to limit the attack surface.
Long-Term Security Practices
- Regularly update and patch all software and firmware.
- Conduct security assessments and penetration testing.
- Educate users on security best practices to prevent social engineering attacks.
Patching and Updates
- Dell has released security updates to address the buffer overflow vulnerability in Isilon OneFS and PowerScale OneFS versions.