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CVE-2018-3759

Quick assessment

Affected
HackerOne 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 0.5.0之前版本中存在竞争条件漏洞，该漏洞源于程序没有检测套接字所使用的地址。攻击者可通过发送特制的请求利用该漏洞造成应用程序崩溃。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.69% · P51
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I. Basic Information for CVE-2018-3759

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
private_address_check ruby gem before 0.5.0 is vulnerable to a time-of-check time-of-use (TOCTOU) race condition due to the address the socket uses not being checked. DNS entries with a TTL of 0 can trigger this case where the initial resolution is a public address but the subsequent resolution is a private address.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: CVE Program / CVE List V5
Vulnerability Title
private_address_check ruby gem 竞争条件漏洞
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 0.5.0之前版本中存在竞争条件漏洞，该漏洞源于程序没有检测套接字所使用的地址。攻击者可通过发送特制的请求利用该漏洞造成应用程序崩溃。
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
HackerOne private_address_check ruby gem 0.5.0 -

II. Public POCs for CVE-2018-3759

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III. Intelligence Information for CVE-2018-3759

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Patches & Fixes for CVE-2018-3759 (1)

IV. Related Vulnerabilities

Same product: private_address_check ruby gem
Same vendor: HackerOne
Same weakness: CWE-362

V. Comments for CVE-2018-3759

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