CVE-2017-7478

Public Exploit

Description

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.

Categories

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 3.31% Top 15%
Vendor Advisory openvpn.net
Affected: OpenVPN Technologies, Inc openvpn
Published at:
Updated at:

References

Link Tags
https://www.exploit-db.com/exploits/41993/ exploit
https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits vendor advisory
http://www.securitytracker.com/id/1038473 vdb entry
http://www.securityfocus.com/bid/98444 vdb entry

Frequently Asked Questions

What is the severity of CVE-2017-7478?
CVE-2017-7478 has been scored as a high severity vulnerability.
How to fix CVE-2017-7478?
To fix CVE-2017-7478, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-7478 being actively exploited in the wild?
It is possible that CVE-2017-7478 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-7478?
CVE-2017-7478 affects OpenVPN Technologies, Inc openvpn.
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