CVE-2017-7522

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.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.0 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector : AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:openvpn:openvpn::::::::
	cpe:2.3:a:openvpn:openvpn:2.4.0:::::::*
	cpe:2.3:a:openvpn:openvpn:2.4.0:alpha2::::::
	cpe:2.3:a:openvpn:openvpn:2.4.0:beta1::::::
	cpe:2.3:a:openvpn:openvpn:2.4.0:beta2::::::
	cpe:2.3:a:openvpn:openvpn:2.4.0:rc1::::::
	cpe:2.3:a:openvpn:openvpn:2.4.0:rc2::::::
	cpe:2.3:a:openvpn:openvpn:2.4.1:::::::*
	cpe:2.3:a:openvpn:openvpn:2.4.2:::::::*

History

No history.

Information

Published : 2017-06-27 13:29

Updated : 2017-07-07 01:29

NVD link : CVE-2017-7522

Mitre link : CVE-2017-7522

CVE.ORG link : CVE-2017-7522

JSON object : View

Products Affected

openvpn

openvpn

CWE

CWE-476

NULL Pointer Dereference

CWE-20

Improper Input Validation

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