CVE-2023-32695— Insufficient validation when decoding a Socket.IO packet
Quick assessment
Affected
socketio socket.io-parser
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.
Socket.IO是Socket.IO公司的一个面向实时web 应用的 JavaScript 库。 Socket.IO 4.2.3之前版本存在安全漏洞，该漏洞源于特制的 Socket.IO 数据包可以在 Socket.IO 服务器上触发未捕获的异常，从而杀死 Node.js 进程。
Possible ATT&CK Techniques 2 AI
T1499 · Endpoint Denial of Service T1499.002 · Service Exhaustion Flood
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I. Basic Information for CVE-2023-32695
Vulnerability Information
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Vulnerability Title
Insufficient validation when decoding a Socket.IO packet
Source: CVE Program / CVE List V5
Vulnerability Description
socket.io parser is a socket.io encoder and decoder written in JavaScript complying with version 5 of socket.io-protocol. A specially crafted Socket.IO packet can trigger an uncaught exception on the Socket.IO server, thus killing the Node.js process. A patch has been released in version 4.2.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Socket.IO 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Socket.IO是Socket.IO公司的一个面向实时web 应用的 JavaScript 库。 Socket.IO 4.2.3之前版本存在安全漏洞，该漏洞源于特制的 Socket.IO 数据包可以在 Socket.IO 服务器上触发未捕获的异常，从而杀死 Node.js 进程。
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 |
|---|---|---|---|---|
| socketio | socket.io-parser | >= 4.0.0, < 4.2.3 | - |
|
II. Public POCs for CVE-2023-32695
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2023-32695 (2)
Vendor Advisories for CVE-2023-32695 (1)
Other References for CVE-2023-32695 (1)
-
https://github.com/socketio/socket.io-parser/releases/tag/4.2.3 x_refsource_MISC
IV. Related Vulnerabilities
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Same weakness: CWE-20
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V. Comments for CVE-2023-32695
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