Denial-of-Service Vulnerability in OpenVPN by Authenticated Remote Attackers
CVE-2017-7522

6.5MEDIUM

Key Information:

Vendor

Openvpn Technologies, Inc

Status
Openvpn
Vendor
CVE Published:
27 June 2017

What is CVE-2017-7522?

OpenVPN prior to version 2.4.3 and 2.3.17 is susceptible to a denial-of-service attack. An authenticated remote attacker can send a certificate containing an embedded NULL character, causing a disruption in service. This vulnerability underscores the importance of ensuring that OpenVPN installations are updated to the latest versions to mitigate such risks.

Affected Version(s)

OpenVPN before 2.4.3

OpenVPN before 2.3.17

References

https://community.openvpn.net/openvpn/wiki/Vulnerabilitie...
x_refsource_CONFIRM
http://www.securitytracker.com/id/1038768
vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/99230
vdb-entryx_refsource_BID

EPSS Score

5% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.