CVE-2018-6964 : Exploit Details and Defense Strategies
Learn about CVE-2018-6964, a local privilege escalation vulnerability in VMware Horizon Client for Linux (4.x before 4.8.0). Find out the impact, affected systems, exploitation details, and mitigation steps.
The VMware Horizon Client for Linux (version 4.x before 4.8.0 and earlier) has a vulnerability that can be exploited to locally escalate privileges due to insecure usage of the SUID binary.
Understanding CVE-2018-6964
This CVE involves a local privilege escalation vulnerability in the VMware Horizon Client for Linux.
What is CVE-2018-6964?
The vulnerability in the VMware Horizon Client for Linux (version 4.x before 4.8.0 and earlier) allows unprivileged users to elevate their privileges to root on a Linux machine where the Horizon Client is installed.
The Impact of CVE-2018-6964
Exploitation of this vulnerability can lead to unauthorized users gaining root access on the affected Linux system, potentially compromising its security and integrity.
Technical Details of CVE-2018-6964
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability arises from the insecure usage of the SUID binary in the VMware Horizon Client for Linux, enabling local privilege escalation.
Affected Systems and Versions
- Product: Horizon Client for Linux
- Vendor: VMware
- Versions Affected: 4.x before 4.8.0 and prior
Exploitation Mechanism
The vulnerability can be exploited locally by unprivileged users to escalate their privileges to root on Linux systems with the vulnerable Horizon Client installed.
Mitigation and Prevention
Protecting systems from CVE-2018-6964 is crucial to maintaining security.
Immediate Steps to Take
- Update the Horizon Client for Linux to version 4.8.0 or newer to mitigate the vulnerability.
- Monitor system logs for any suspicious activities indicating potential exploitation.
Long-Term Security Practices
- Regularly review and update permissions and access controls on critical system binaries.
- Conduct security training for users to raise awareness about the risks of running untrusted software.
Patching and Updates
- Stay informed about security advisories from VMware and promptly apply patches and updates to address known vulnerabilities.