National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-7522 Detail

Current 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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 6.5 MEDIUM
Vector:  CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/99230 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1038768
https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243 Vendor Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-476 NULL Pointer Dereference NIST  
CWE-20 Improper Input Validation Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
2.3.16
 cpe:2.3:a:openvpn:openvpn:2.4.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:openvpn:openvpn:2.4.0:alpha2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:openvpn:openvpn:2.4.0:beta1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:openvpn:openvpn:2.4.0:beta2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:openvpn:openvpn:2.4.0:rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:openvpn:openvpn:2.4.0:rc2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:openvpn:openvpn:2.4.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:openvpn:openvpn:2.4.2:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-7522
NVD Published Date:
06/27/2017
NVD Last Modified:
07/06/2017