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CVE-2022-32234

Quick assessment

Affected
Facebook Hermes
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.

Facebook Hermes是美国Facebook公司的一个JavaScript引擎。该引擎针对React Native应用，去提高移动客户端应用App的性能，但是对浏览器 & Node.js 等服务端基础架构并不适用。 Facebook Hermes 存在缓冲区错误漏洞，该漏洞源于在处理大型数组时发生越界写入。攻击者利用该漏洞通过特制的JavaScript执行任意代码。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.98% · P61

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-32234

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An out of bounds write in hermes, while handling large arrays, prior to commit 06eaec767e376bfdb883d912cb15e987ddf2bda1 allows attackers to potentially execute arbitrary code via crafted JavaScript. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native applications are not affected.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Facebook Hermes 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Facebook Hermes是美国Facebook公司的一个JavaScript引擎。该引擎针对React Native应用，去提高移动客户端应用App的性能，但是对浏览器 & Node.js 等服务端基础架构并不适用。 Facebook Hermes 存在缓冲区错误漏洞，该漏洞源于在处理大型数组时发生越界写入。攻击者利用该漏洞通过特制的JavaScript执行任意代码。
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
Facebook Hermes unspecified ~ prior to commit 06eaec767e376bfdb883d912cb15e987ddf2bda1 -

II. Public POCs for CVE-2022-32234

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III. Intelligence Information for CVE-2022-32234

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Patches & Fixes for CVE-2022-32234 (1)

Other References for CVE-2022-32234 (1)

Same Patch Batch · Facebook · 2022-10-11 · 3 CVEs total

CVE-2022-35289 Facebook Hermes 输入验证错误漏洞
CVE-2022-40138 Facebook Hermes 安全漏洞

IV. Related Vulnerabilities

Same product: Hermes
Same vendor: Facebook
Same weakness: CWE-787

V. Comments for CVE-2022-32234

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