CVEvulnerability
CVE-2018-9336
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2018-05-01
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.8 HIGH — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-415
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 configurations
• openvpn openvpn (>= 2.4.0 < 2.4.6)
• slackware slackware linux 13.0
• slackware slackware linux 13.1
• slackware slackware linux 13.37
• slackware slackware linux 14.0
• slackware slackware linux 14.1
Related
Weakness · CWE (1)
- CWE-415 Double Free weakness
References
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.568761 Mailing List, Third Party Advisory
- https://community.openvpn.net/openvpn/wiki/ChangesInOpenvpn24 Release Notes, Vendor Advisory
- https://github.com/OpenVPN/openvpn/commit/1394192b210cb3c6624a7419bcf3ff966742e79b Patch, Third Party Advisory
- https://github.com/OpenVPN/openvpn/releases/tag/v2.4.6 Release Notes, Third Party Advisory
- https://www.tenable.com/security/research/tra-2018-09 Exploit, Third Party Advisory
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.568761 Mailing List, Third Party Advisory
- https://community.openvpn.net/openvpn/wiki/ChangesInOpenvpn24 Release Notes, Vendor Advisory
- https://github.com/OpenVPN/openvpn/commit/1394192b210cb3c6624a7419bcf3ff966742e79b Patch, Third Party Advisory
- https://github.com/OpenVPN/openvpn/releases/tag/v2.4.6 Release Notes, Third Party Advisory
- https://www.tenable.com/security/research/tra-2018-09 Exploit, Third Party Advisory