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CVE-2017-0904

Quick assessment

Affected
jtdowney private_address_check ruby gem
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.

private_address_check ruby gem是一款基于Ruby的服务器端请求伪造攻击检查工具。 private_address_check ruby gem 0.4.0之前的版本中存在安全漏洞，该漏洞源于程序使用了Ruby的Resolv.getaddresses方法。攻击者可利用该漏洞绕过客户端请求伪造过滤器。

AI Predicted 6.5 Difficulty: Moderate EPSS 2.42% · P84
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I. Basic Information for CVE-2017-0904

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The private_address_check ruby gem before 0.4.0 is vulnerable to a bypass due to use of Ruby's Resolv.getaddresses method, which is OS-dependent and should not be relied upon for security measures, such as when used to blacklist private network addresses to prevent server-side request forgery.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用内在危险函数
Source: CVE Program / CVE List V5
Vulnerability Title
private_address_check ruby gem 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
private_address_check ruby gem是一款基于Ruby的服务器端请求伪造攻击检查工具。 private_address_check ruby gem 0.4.0之前的版本中存在安全漏洞，该漏洞源于程序使用了Ruby的Resolv.getaddresses方法。攻击者可利用该漏洞绕过客户端请求伪造过滤器。
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
jtdowney private_address_check ruby gem Versions before 0.4.0 -

II. Public POCs for CVE-2017-0904

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III. Intelligence Information for CVE-2017-0904

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Patches & Fixes for CVE-2017-0904 (1)

Other References for CVE-2017-0904 (3)

IV. Related Vulnerabilities

Same product: private_address_check ruby gem
Same weakness: CWE-242

V. Comments for CVE-2017-0904

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