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CVE-2017-7720

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
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。OpenVPN PrivateTunnel是一款OpenVPN服务。 OpenVPN PrivateTunnel 2.7版本和2.8版本中存在缓冲区溢出漏洞。本地攻击者可借助较长的密码利用该漏洞造成拒绝服务（SHE覆盖）。

AI Predicted 5.5 Difficulty: Easy EPSS 0.38% · P32

Possible ATT&CK Techniques 1 AI

T1059.001 · PowerShell
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I. Basic Information for CVE-2017-7720

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Buffer overflow in PrivateTunnel 2.7 and 2.8 allows local attackers to cause a denial of service (SEH overwrite) or possibly have unspecified other impact via a long password.
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 PrivateTunnel 缓冲区错误漏洞
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。OpenVPN PrivateTunnel是一款OpenVPN服务。 OpenVPN PrivateTunnel 2.7版本和2.8版本中存在缓冲区溢出漏洞。本地攻击者可借助较长的密码利用该漏洞造成拒绝服务（SHE覆盖）。
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
- n/a n/a -

II. Public POCs for CVE-2017-7720

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III. Intelligence Information for CVE-2017-7720

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Exploits & Public PoCs for CVE-2017-7720 (1)

Same Patch Batch · n/a · 2017-04-26 · 6 CVEs total

CVE-2017-6052 Hyundai Motor America Blue Link 安全漏洞
CVE-2017-6054 Hyundai Motor America Blue Link 安全漏洞
CVE-2017-8284 QEMU 安全漏洞
CVE-2017-7293 Dolby Audio X2和Dolby Audio X3 代码问题漏洞
CVE-2017-8283 Dolby Audio X2和Dolby Audio X3 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2017-7720

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