CVE-2017-7522

Description

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service by authenticated remote attacker via sending a certificate with an embedded NULL character.

Categories

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.82% Top 30%
Vendor Advisory openvpn.net
Affected: OpenVPN Technologies, Inc OpenVPN
Published at:
Updated at:

References

Link Tags
https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243 vendor advisory
http://www.securitytracker.com/id/1038768 vdb entry
http://www.securityfocus.com/bid/99230 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2017-7522?
CVE-2017-7522 has been scored as a medium severity vulnerability.
How to fix CVE-2017-7522?
To fix CVE-2017-7522, 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-2017-7522 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-7522 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-7522?
CVE-2017-7522 affects OpenVPN Technologies, Inc OpenVPN.
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