CVE-2017-16757 : Vulnerability Insights and Analysis

Hola VPN 1.34 has weak permissions in the %PROGRAMFILES% directory, allowing local users to elevate privileges using malicious files.

Understanding CVE-2017-16757

This CVE entry highlights a vulnerability in Hola VPN 1.34 that enables privilege escalation for local users.

What is CVE-2017-16757?

The permissions of Hola VPN 1.34 are weak in the %PROGRAMFILES% directory, allowing local users to escalate their privileges using specific malicious files.

The Impact of CVE-2017-16757

The vulnerability enables local users to gain elevated privileges on the system, potentially leading to unauthorized access and malicious activities.

Technical Details of CVE-2017-16757

Hola VPN 1.34 vulnerability details and affected systems.

Vulnerability Description

Weak permissions in Hola VPN 1.34 under %PROGRAMFILES% allow local users to elevate privileges by utilizing specific malicious files like 7za.exe or hola.exe.

Affected Systems and Versions

Product: Hola VPN 1.34
Vendor: N/A
Version: N/A

Exploitation Mechanism

Local users can exploit the weak permissions in the %PROGRAMFILES% directory by using Trojan horse files such as 7za.exe or hola.exe to gain elevated privileges.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2017-16757 vulnerability.

Immediate Steps to Take

Restrict access to sensitive directories like %PROGRAMFILES% to authorized users only.
Regularly monitor and audit file permissions to detect unauthorized changes.
Implement endpoint security solutions to detect and prevent privilege escalation attempts.

Long-Term Security Practices

Conduct regular security training for users to raise awareness about file security and permissions.
Keep systems and software updated to patch known vulnerabilities and enhance overall security posture.

Patching and Updates

Apply patches or updates provided by Hola VPN to address the weak permissions issue and enhance system security.