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CVE-2017-7478

Quick assessment

Affected
OpenVPN Technologies, Inc openvpn
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenVPN是美国OpenVPN公司的一个用于创建虚拟专用网络（VPN）加密通道的软件包，它使用OpenSSL库来加密数据与控制信息，并允许创建的VPN使用公开密钥、电子证书或者用户名/密码来进行身份验证。 OpenVPN 2.3.12版本至2.3.15版本（不包括此版本）和2.3.12版本至2.4.2版本（不包括此版本）中存在安全漏洞。攻击者可借助较大的控制数据包利用该漏洞造成拒绝服务。

AI Predicted 5.3 Difficulty: Easy EPSS 13.78% · P96

Public Exploits 1

ExploitDB · 1 EDB-41993 [dos]
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I. Basic Information for CVE-2017-7478

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
可达断言
Source: CVE Program / CVE List V5
Vulnerability Title
OpenVPN 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenVPN是美国OpenVPN公司的一个用于创建虚拟专用网络（VPN）加密通道的软件包，它使用OpenSSL库来加密数据与控制信息，并允许创建的VPN使用公开密钥、电子证书或者用户名/密码来进行身份验证。 OpenVPN 2.3.12版本至2.3.15版本（不包括此版本）和2.3.12版本至2.4.2版本（不包括此版本）中存在安全漏洞。攻击者可借助较大的控制数据包利用该漏洞造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OpenVPN Technologies, Inc openvpn 2.3.12 and newer -

II. Public POCs for CVE-2017-7478

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III. Intelligence Information for CVE-2017-7478

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Vendor Advisories for CVE-2017-7478 (2)

Other References for CVE-2017-7478 (1)

IV. Related Vulnerabilities

Same product: openvpn
Same vendor: OpenVPN Technologies, Inc
Same weakness: CWE-617

V. Comments for CVE-2017-7478

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