What is the severity of CVE-2017-7479?

CVE-2017-7479 has been classified as a Denial of Service vulnerability.

How do I fix CVE-2017-7479?

To fix CVE-2017-7479, upgrade OpenVPN to version 2.3.15 or later, or 2.4.2 or later.

Who is affected by CVE-2017-7479?

CVE-2017-7479 affects OpenVPN versions prior to 2.3.15 and versions before 2.4.2.

What type of attack does CVE-2017-7479 enable?

CVE-2017-7479 allows authenticated attackers to cause a Denial of Service on the OpenVPN server.

What happens when the packet-ID counter rolls over in CVE-2017-7479?

When the packet-ID counter rolls over in CVE-2017-7479, it leads to a reachable assertion that can crash the server.

Vulnerability/
CVE-2017-7479

medium

6.5

CWE

617

15/5/2017

3/10/2019

CVE-2017-7479

First published: Mon May 15 2017(Updated: )

OpenVPN versions before 2.3.15 and before 2.4.2 are vulnerable to reachable assertion when packet-ID counter rolls over resulting into Denial of Service of server by authenticated attacker.

Credit: secalert@redhat.com

Affected Software	Affected Version	How to fix
OpenVPN Monitor	<=2.3.14
OpenVPN Monitor	=2.4.0
OpenVPN Monitor	=2.4.0-alpha2
OpenVPN Monitor	=2.4.0-beta1
OpenVPN Monitor	=2.4.0-beta2
OpenVPN Monitor	=2.4.0-rc1
OpenVPN Monitor	=2.4.0-rc2
OpenVPN Monitor	=2.4.1

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2017-7479?
CVE-2017-7479 has been classified as a Denial of Service vulnerability.
How do I fix CVE-2017-7479?
To fix CVE-2017-7479, upgrade OpenVPN to version 2.3.15 or later, or 2.4.2 or later.
Who is affected by CVE-2017-7479?
CVE-2017-7479 affects OpenVPN versions prior to 2.3.15 and versions before 2.4.2.
What type of attack does CVE-2017-7479 enable?
CVE-2017-7479 allows authenticated attackers to cause a Denial of Service on the OpenVPN server.
What happens when the packet-ID counter rolls over in CVE-2017-7479?
When the packet-ID counter rolls over in CVE-2017-7479, it leads to a reachable assertion that can crash the server.

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agent/softwarecombine
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/openvpn
canonical/openvpn monitor
version/openvpn monitor/2.3.14
version/openvpn monitor/2.4.0
version/openvpn monitor/2.4.0-alpha2
version/openvpn monitor/2.4.0-beta1
version/openvpn monitor/2.4.0-beta2
version/openvpn monitor/2.4.0-rc1
version/openvpn monitor/2.4.0-rc2
version/openvpn monitor/2.4.1

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