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

Cvss 3 Severity Score

7.4

Score breakdown

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

Bugs

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=865480

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