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CVE-2017-3204

Quick assessment

Affected
Go SSH library
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.

Go是一种开源编程语言。SSH library是其中的一个用于SSH和SFTP的框架测试库。 Go SSH library (x/crypto/ssh)中存在安全漏洞，该漏洞源于程序没有验证主机密钥。攻击者可利用该漏洞实施中间人攻击。

AI Predicted 7.5 Difficulty: Easy EPSS 3.16% · P87
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I. Basic Information for CVE-2017-3204

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The Go SSH library (x/crypto/ssh) by default does not verify host keys, facilitating man-in-the-middle attacks. Default behavior changed in commit e4e2799 to require explicitly registering a hostkey verification mechanism.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
加密问题
Source: CVE Program / CVE List V5
Vulnerability Title
Go SSH library 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Go是一种开源编程语言。SSH library是其中的一个用于SSH和SFTP的框架测试库。 Go SSH library (x/crypto/ssh)中存在安全漏洞，该漏洞源于程序没有验证主机密钥。攻击者可利用该漏洞实施中间人攻击。
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
Go SSH library prior to commit e4e2799 -

II. Public POCs for CVE-2017-3204

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III. Intelligence Information for CVE-2017-3204

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Patches & Fixes for CVE-2017-3204 (1)

Vendor Advisories for CVE-2017-3204 (1)

Other References for CVE-2017-3204 (3)

IV. Related Vulnerabilities

Same vendor: Go
Same weakness: CWE-310

V. Comments for CVE-2017-3204

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