CVE-2017-7520
Published: 21 June 2017
OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service and/or possibly sensitive memory leak triggered by man-in-the-middle attacker.
Priority
Status
Package | Release | Status |
---|---|---|
openvpn
Launchpad, Ubuntu, Debian |
trusty |
Released
(2.3.2-7ubuntu3.2)
|
upstream |
Released
(2.4.3, 2.3.17)
|
|
xenial |
Released
(2.3.10-1ubuntu2.1)
|
|
yakkety |
Released
(2.3.11-1ubuntu2.1)
|
|
zesty |
Released
(2.4.0-4ubuntu1.3)
|
|
Patches:
upstream: https://github.com/OpenVPN/openvpn/commit/7718c8984f upstream: https://github.com/OpenVPN/openvpn/commit/043fe32787 upstream: https://github.com/OpenVPN/openvpn/commit/f38a4a1059 upstream: https://github.com/OpenVPN/openvpn/commit/4bec9d25d5 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.4 |
Attack vector | Network |
Attack complexity | High |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H |
References
- https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243
- http://www.openwall.com/lists/oss-security/2017/06/21/6
- https://ubuntu.com/security/notices/USN-3339-1
- https://ubuntu.com/security/notices/USN-3339-2
- https://www.cve.org/CVERecord?id=CVE-2017-7520
- NVD
- Launchpad
- Debian