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CVE-2023-23557

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 a00d237346894c6067a594983be6634f4168c9ad 之前版本存在安全漏洞，该漏洞源于复制对象属性错误，攻击者利用该漏洞可以通过类型混淆执行任意代码。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.89% · P58

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2023-23557

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An error in Hermes' algorithm for copying objects properties prior to commit a00d237346894c6067a594983be6634f4168c9ad could be used by a malicious attacker to execute arbitrary code via type confusion. Note that this is only exploitable in cases where Hermes is used to execute 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
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Facebook Hermes 安全漏洞
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 a00d237346894c6067a594983be6634f4168c9ad 之前版本存在安全漏洞，该漏洞源于复制对象属性错误，攻击者利用该漏洞可以通过类型混淆执行任意代码。
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 0 ~ a00d237346894c6067a594983be6634f4168c9ad -

II. Public POCs for CVE-2023-23557

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III. Intelligence Information for CVE-2023-23557

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Patches & Fixes for CVE-2023-23557 (1)

Other References for CVE-2023-23557 (1)

Same Patch Batch · Facebook · 2023-05-18 · 9 CVEs total

CVE-2023-30470 Facebook Hermes 资源管理错误漏洞
CVE-2023-28753 Facebook Netconsd 缓冲区错误漏洞
CVE-2023-28081 Facebook Hermes 资源管理错误漏洞
CVE-2023-25933 Facebook Hermes 安全漏洞
CVE-2023-24833 Facebook Hermes 资源管理错误漏洞
CVE-2023-24832 Facebook Hermes 代码问题漏洞
CVE-2023-23759 fizz 安全漏洞
CVE-2023-23556 Facebook Hermes 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: Hermes
Same vendor: Facebook

V. Comments for CVE-2023-23557

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