CVE Vulnerability

CVE-2018-9336

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.

4.6 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/OpenVPN/openvpn/releases/tag/v2.4.6 Release Notes Third Party Advisory
https://github.com/OpenVPN/openvpn/commit/1394192b210cb3c6624a7419bcf3ff966742e79b Patch Third Party Advisory
https://community.openvpn.net/openvpn/wiki/ChangesInOpenvpn24 Release Notes Vendor Advisory
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.568761 Mailing List Third Party Advisory
https://www.tenable.com/security/research/tra-2018-09 Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
cpe:2.3:o:slackware:slackware_linux:13.37:*:*:*:*:*:*:*
cpe:2.3:o:slackware:slackware_linux:14.1:*:*:*:*:*:*:*
cpe:2.3:o:slackware:slackware_linux:14.0:*:*:*:*:*:*:*
cpe:2.3:o:slackware:slackware_linux:13.1:*:*:*:*:*:*:*
cpe:2.3:o:slackware:slackware_linux:13.0:*:*:*:*:*:*:*
Information

Published : 2018-05-01 06:29

Updated : 2018-06-13 02:27

NVD link : CVE-2018-9336

Mitre link : CVE-2018-9336

Products Affected
No products.
CWE
CWE-415