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OpenVPN DoS Vulnerability (Windows)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
OpenVPN is prone to a Denial of Service vulnerability.
Insight
Insight
openvpnserv.exe (aka the interactive service helper) in OpenVPN 2.4.x before 2.4.6 allows a local attacker to cause a double-free of memory by sending a malformed request to the interactive service. This could cause a denial-of-service through memory corruption or possibly have unspecified other impact including privilege escalation.
Affected Software
Affected Software
OpenVPN version 2.4.x before 2.4.6.
Detection Method
Detection Method
The script checks if a vulnerable version is present on the target host.
Solution
Solution
Upgrade to OpenVPN version 2.4.6 or later.