What is the severity of CVE-2017-7478?

CVE-2017-7478 is categorized as a medium severity vulnerability due to the risk of Denial of Service attacks.

How do I fix CVE-2017-7478?

To fix CVE-2017-7478, upgrade to OpenVPN version 2.3.15 or 2.4.2 or later.

What versions of OpenVPN are affected by CVE-2017-7478?

OpenVPN versions 2.3.12 to 2.4.1, including 2.3.13, 2.3.14, and various 2.4.0 pre-release versions, are affected by CVE-2017-7478.

What is the impact of CVE-2017-7478 on users?

CVE-2017-7478 can lead to an unauthenticated Denial of Service on the OpenVPN server.

Is there a known exploit for CVE-2017-7478?

As of the information available, there are no publicly disclosed exploits for CVE-2017-7478.

Vulnerability/
CVE-2017-7478

high

7.5

CWE

20 617

15/5/2017

16/8/2017

CVE-2017-7478: Input Validation

First published: Mon May 15 2017(Updated: )

OpenVPN version 2.3.12 and newer is vulnerable to unauthenticated Denial of Service of server via received large control packet. Note that this issue is fixed in 2.3.15 and 2.4.2.

Credit: secalert@redhat.com

Affected Software	Affected Version	How to fix
OpenVPN OpenVPN	=2.3.12
OpenVPN OpenVPN	=2.3.13
OpenVPN OpenVPN	=2.3.14
OpenVPN OpenVPN	=2.4.0
OpenVPN OpenVPN	=2.4.0-alpha2
OpenVPN OpenVPN	=2.4.0-beta1
OpenVPN OpenVPN	=2.4.0-beta2
OpenVPN OpenVPN	=2.4.0-rc1
OpenVPN OpenVPN	=2.4.0-rc2
OpenVPN OpenVPN	=2.4.1

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2017-7478?
CVE-2017-7478 is categorized as a medium severity vulnerability due to the risk of Denial of Service attacks.
How do I fix CVE-2017-7478?
To fix CVE-2017-7478, upgrade to OpenVPN version 2.3.15 or 2.4.2 or later.
What versions of OpenVPN are affected by CVE-2017-7478?
OpenVPN versions 2.3.12 to 2.4.1, including 2.3.13, 2.3.14, and various 2.4.0 pre-release versions, are affected by CVE-2017-7478.
What is the impact of CVE-2017-7478 on users?
CVE-2017-7478 can lead to an unauthenticated Denial of Service on the OpenVPN server.
Is there a known exploit for CVE-2017-7478?
As of the information available, there are no publicly disclosed exploits for CVE-2017-7478.

agent/references
agent/severity
agent/author
agent/tags
agent/type
agent/event
agent/weakness
agent/last-modified-date
agent/softwarecombine
agent/first-publish-date
collector/nvd-index
agent/software-canonical-lookup-request
agent/description
vendor/openvpn
canonical/openvpn openvpn
version/openvpn openvpn/2.3.12
version/openvpn openvpn/2.3.13
version/openvpn openvpn/2.3.14
version/openvpn openvpn/2.4.0
version/openvpn openvpn/2.4.0-alpha2
version/openvpn openvpn/2.4.0-beta1
version/openvpn openvpn/2.4.0-beta2
version/openvpn openvpn/2.4.0-rc1
version/openvpn openvpn/2.4.0-rc2
version/openvpn openvpn/2.4.1

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Frequently Asked Questions

What is the severity of CVE-2017-7478?
CVE-2017-7478 is categorized as a medium severity vulnerability due to the risk of Denial of Service attacks.
How do I fix CVE-2017-7478?
To fix CVE-2017-7478, upgrade to OpenVPN version 2.3.15 or 2.4.2 or later.
What versions of OpenVPN are affected by CVE-2017-7478?
OpenVPN versions 2.3.12 to 2.4.1, including 2.3.13, 2.3.14, and various 2.4.0 pre-release versions, are affected by CVE-2017-7478.
What is the impact of CVE-2017-7478 on users?
CVE-2017-7478 can lead to an unauthenticated Denial of Service on the OpenVPN server.
Is there a known exploit for CVE-2017-7478?
As of the information available, there are no publicly disclosed exploits for CVE-2017-7478.