CVE-2019-1664 : Exploit Details and Defense Strategies
Learn about CVE-2019-1664, a vulnerability in Cisco HyperFlex Software allowing unauthenticated local attackers to gain root access to all cluster nodes. Find mitigation steps and patching details here.
Cisco HyperFlex Software Unauthenticated Root Access Vulnerability
Understanding CVE-2019-1664
An unauthenticated local attacker could potentially gain root access to all nodes in the cluster through exploiting a vulnerability in the hxterm service of Cisco HyperFlex Software.
What is CVE-2019-1664?
The vulnerability in Cisco HyperFlex Software allows an unauthenticated local attacker to obtain root access to all cluster nodes due to insufficient authentication controls.
The Impact of CVE-2019-1664
- CVSS Score: 8.1 (High)
- Attack Vector: Local
- Confidentiality, Integrity, and Availability Impact: High
- Scope: Changed
- No Privileges Required
- No known public exploits or malicious use reported
Technical Details of CVE-2019-1664
Vulnerability Description
The vulnerability arises from inadequate authentication controls in the hxterm service of Cisco HyperFlex Software, enabling unauthorized root access to all cluster nodes.
Affected Systems and Versions
- Affected Product: Cisco HyperFlex HX-Series
- Vendor: Cisco
- Vulnerable Versions: Releases prior to 3.5(2a)
Exploitation Mechanism
To exploit this vulnerability, the attacker must connect to the hxterm service as a non-privileged local user, gaining root access to all member nodes of the HyperFlex cluster.
Mitigation and Prevention
Immediate Steps to Take
- Apply the necessary security patches provided by Cisco
- Monitor Cisco's security advisories for updates
- Restrict network access to the vulnerable service
Long-Term Security Practices
- Implement strong authentication mechanisms
- Regularly update and patch software and systems
Patching and Updates
- Update to Cisco HyperFlex Software Release 3.5(2a) or later to mitigate the vulnerability