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CVE-2023-2968— Undefined variable usage in npm package "proxy" leads to remote denial of service

Quick assessment

Affected
CVE-2023-2968
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.

TooTallNate proxy-agents是多种 Node.js HTTP 代理实现的集合。 TooTallNate proxy-agents存在安全漏洞，该漏洞源于使用未定义的变量引发TypeError异常。远程攻击者利用该漏洞通过发送特制的HTTP请求在socket.remoteAddress变量中触发拒绝服务。

CVSS 7.5 · High EPSS 1.48% · P73

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

I. Basic Information for CVE-2023-2968

Vulnerability Information
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Vulnerability Title
Undefined variable usage in npm package "proxy" leads to remote denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
A remote attacker can trigger a denial of service in the socket.remoteAddress variable, by sending a crafted HTTP request. Usage of the undefined variable raises a TypeError exception.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未定义值处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
TooTallNate proxy-agents 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TooTallNate proxy-agents是多种 Node.js HTTP 代理实现的集合。 TooTallNate proxy-agents存在安全漏洞，该漏洞源于使用未定义的变量引发TypeError异常。远程攻击者利用该漏洞通过发送特制的HTTP请求在socket.remoteAddress变量中触发拒绝服务。
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)

II. Public POCs for CVE-2023-2968

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III. Intelligence Information for CVE-2023-2968

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Other References for CVE-2023-2968 (1)

IV. Related Vulnerabilities

Same weakness: CWE-232

V. Comments for CVE-2023-2968

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