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CVE-2018-7166

Quick assessment

Affected
The Node.js Project Node.js
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.

Joyent Node.js是美国Joyent公司的一套建立在Google V8 JavaScript引擎之上的网络应用平台。该平台主要用于构建高度可伸缩的应用程序，以及编写能够处理数万条且同时连接到一个物理机的连接代码。 Joyent Node.js 10.9.0之前的10版本中存在缓冲区错误漏洞，该漏洞源于参数处理错误会使‘Buffer.alloc()’返回未过滤的内存。攻击者可利用该漏洞获取敏感信息。

AI Predicted 7.5 Difficulty: Moderate EPSS 2.79% · P86

Possible ATT&CK Techniques 1 AI

T1217 · Browser Information Discovery

Affected Version Matrix 1

VendorProduct Version RangeStatus
The Node.js Project Node.js All versions of Node.js 10 prior to 10.9.0 affected
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I. Basic Information for CVE-2018-7166

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In all versions of Node.js 10 prior to 10.9.0, an argument processing flaw can cause `Buffer.alloc()` to return uninitialized memory. This method is intended to be safe and only return initialized, or cleared, memory. The third argument specifying `encoding` can be passed as a number, this is misinterpreted by `Buffer's` internal "fill" method as the `start` to a fill operation. This flaw may be abused where `Buffer.alloc()` arguments are derived from user input to return uncleared memory blocks that may contain sensitive information.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在释放前未清除敏感信息
Source: CVE Program / CVE List V5
Vulnerability Title
Joyent Node.js 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Joyent Node.js是美国Joyent公司的一套建立在Google V8 JavaScript引擎之上的网络应用平台。该平台主要用于构建高度可伸缩的应用程序，以及编写能够处理数万条且同时连接到一个物理机的连接代码。 Joyent Node.js 10.9.0之前的10版本中存在缓冲区错误漏洞，该漏洞源于参数处理错误会使‘Buffer.alloc()’返回未过滤的内存。攻击者可利用该漏洞获取敏感信息。
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
The Node.js Project Node.js All versions of Node.js 10 prior to 10.9.0 -

II. Public POCs for CVE-2018-7166

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III. Intelligence Information for CVE-2018-7166

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Vendor Advisories for CVE-2018-7166 (1)

Security Blog Posts for CVE-2018-7166 (1)

IV. Related Vulnerabilities

Same product: Node.js
Same vendor: The Node.js Project
Same weakness: CWE-226

V. Comments for CVE-2018-7166

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