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CVE-2017-7478

Date: May 15, 2017

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.

Language: Unix

Severity Score

7.5

Related Resources (9)

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2017-7478

Url: https://security.alpinelinux.org/vuln/CVE-2017-7478

Url: http://www.securitytracker.com/id/1038473

Url: https://nvd.nist.gov/vuln/detail/CVE-2017-7478

Url: https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits

Url: https://www.exploit-db.com/exploits/41993/

Url: http://www.securityfocus.com/bid/98444

Url: https://security-tracker.debian.org/tracker/CVE-2017-7478

Url: https://www.mend.io/vulnerability-database/CVE-2017-7478

Severity Score

7.5

Weakness Type (CWE)

Improper Input Validation

CWE-20

Reachable Assertion

CWE-617

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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