Double free memory error in OpenVPN for Windows - CVE-2018-9336

Vulnerability identifier: #VU12129

CSH Severity: Low

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-9336

CWE-ID: CWE-415

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to double-free memory error in Interactive Service. A remote attacker can trigger memory corruption and cause the service to crash.

OpenVPN for Windows
openvpn (Alpine package)
Slackware Linux
Opensuse

Update to version 2.4.6.

openvpn (Alpine package) - update to 2.4.9-r0

• https://community.openvpn.net/openvpn/wiki/ChangesInOpenvpn24

• Denial of service in OpenVPN
• Slackware Linux update for openvpn
• OpenSUSE Linux update for openvpn
• Double free memory error in openvpn (Alpine package)