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CVE-2020-1915

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 JavaScript Interpreter 存在缓冲区错误漏洞，该漏洞使攻击者就可以通过精心制作的JavaScript导致拒绝服务攻击或进一步的内存损坏。

AI Predicted 5.5 Difficulty: Moderate EPSS 1.60% · P74

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-1915

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An out-of-bounds read in the JavaScript Interpreter in Facebook Hermes prior to commit 8cb935cd3b2321c46aa6b7ed8454d95c75a7fca0 allows attackers to cause a denial of service attack or possible further memory corruption 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
跨界内存读
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 JavaScript Interpreter 存在缓冲区错误漏洞，该漏洞使攻击者就可以通过精心制作的JavaScript导致拒绝服务攻击或进一步的内存损坏。
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 commit prior to 8cb935cd3b2321c46aa6b7ed8454d95c75a7fca0 -

II. Public POCs for CVE-2020-1915

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III. Intelligence Information for CVE-2020-1915

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Patches & Fixes for CVE-2020-1915 (1)

IV. Related Vulnerabilities

Same product: Hermes
Same vendor: Facebook
Same weakness: CWE-125

V. Comments for CVE-2020-1915

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