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CVE-2017-7508

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 2.4.3之前的版本和2.3.17之前的版本中存在安全漏洞。远程攻击者可借助畸形的IPv6数据包利用该漏洞造成拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 4.76% · P91

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2017-7508

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service when receiving malformed IPv6 packet.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
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 2.4.3之前的版本和2.3.17之前的版本中存在安全漏洞。远程攻击者可借助畸形的IPv6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 before 2.4.3 -

II. Public POCs for CVE-2017-7508

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III. Intelligence Information for CVE-2017-7508

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Vendor Advisories for CVE-2017-7508 (3)

Other References for CVE-2017-7508 (1)

Same Patch Batch · OpenVPN Technologies, Inc · 2017-06-27 · 4 CVEs total

CVE-2017-7520 OpenVPN 安全漏洞
CVE-2017-7521 OpenVPN 安全漏洞
CVE-2017-7522 OpenVPN 安全漏洞

IV. Related Vulnerabilities

Same product: OpenVPN
Same vendor: OpenVPN Technologies, Inc

V. Comments for CVE-2017-7508

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