Vulnerability CVE-2018-9336
Published: 2018-05-01

Description:
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.

Type:

CWE-415

 (Double Free)

CVSS2 => (AV:L/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.6/10
6.4/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Slackware -> Slackware linux 
Openvpn -> Openvpn 

 References:
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.568761
https://community.openvpn.net/openvpn/wiki/ChangesInOpenvpn24
https://github.com/OpenVPN/openvpn/commit/1394192b210cb3c6624a7419bcf3ff966742e79b
https://github.com/OpenVPN/openvpn/releases/tag/v2.4.6
https://www.tenable.com/security/research/tra-2018-09
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