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CVE-2018-9336

nvd nist
Published: May 1, 2018Modified: Jun 17, 2026

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7.8
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 1.8 / Impact: 5.9
Source: NVD

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.

Affected (6)

Openvpn
1 product
Openvpn
Slackware
1 product
Slackware Linux
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Openvpn
From 2.4.0 to 2.4.6
Configuration B
5 vulnerable
Vulnerable SoftwareAffected Versions
Slackware
Slackware Linux
Version 13.0
Slackware Linux
Version 13.1
Slackware Linux
Version 13.37
Slackware Linux
Version 14.0
Slackware Linux
Version 14.1

Related CWEs

CWE-415
Double Free
The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

References (10)

Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Release NotesVendor Advisory
Source: cve@mitre.org
PatchThird Party Advisory
Source: cve@mitre.org
Release NotesThird Party Advisory
Source: cve@mitre.org
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory

Timeline

No history available yet.