CVE-2017-4985 : What You Need to Know
Learn about CVE-2017-4985 affecting EMC VNX2 and VNX1 systems, allowing local users to escalate privileges to root. Find mitigation steps and patching recommendations here.
EMC VNX2 and VNX1 systems are affected by a local privilege escalation vulnerability that allows authenticated users to escalate their privileges to root, potentially leading to unauthorized command execution.
Understanding CVE-2017-4985
What is CVE-2017-4985?
This CVE identifies a vulnerability in EMC VNX2 versions prior to OE for File 8.1.9.211 and VNX1 versions prior to OE for File 7.1.80.8, enabling local users to elevate their privileges to root due to inadequate authorization checks on specific perl scripts.
The Impact of CVE-2017-4985
The vulnerability could be exploited by attackers to execute unauthorized commands as root on the targeted VNX Control Station system, compromising system integrity and security.
Technical Details of CVE-2017-4985
Vulnerability Description
A local privilege escalation vulnerability in EMC VNX2 and VNX1 systems allows authenticated users to gain root privileges by bypassing authorization checks on certain perl scripts.
Affected Systems and Versions
- EMC VNX2 versions prior to OE for File 8.1.9.211
- EMC VNX1 versions prior to OE for File 7.1.80.8
Exploitation Mechanism
Attackers with local access can exploit the vulnerability to run arbitrary commands as root on the targeted VNX Control Station system.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor-supplied patches promptly to address the vulnerability.
- Monitor system logs for any suspicious activities indicating unauthorized access.
Long-Term Security Practices
- Implement the principle of least privilege to restrict user access rights.
- Regularly update and patch systems to prevent known vulnerabilities.
Patching and Updates
Ensure that all EMC VNX2 and VNX1 systems are updated to the recommended versions to mitigate the privilege escalation vulnerability.