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CVE-2022-0631— Heap-based Buffer Overflow in mruby/mruby

Quick assessment

Affected
mruby mruby/mruby
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.

mruby是一款Ruby语言的轻量级实现。 mruby 存在安全漏洞，该漏洞源于3.2之前的Homebrew mruby中基于堆的缓冲区溢出。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.92% · P58

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2022-0631

Vulnerability Information
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Vulnerability Title
Heap-based Buffer Overflow in mruby/mruby
Source: CVE Program / CVE List V5
Vulnerability Description
Heap-based Buffer Overflow in Homebrew mruby prior to 3.2.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
mruby 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mruby是一款Ruby语言的轻量级实现。 mruby 存在安全漏洞，该漏洞源于3.2之前的Homebrew mruby中基于堆的缓冲区溢出。
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
mruby mruby/mruby unspecified ~ 3.2 -

II. Public POCs for CVE-2022-0631

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2022-0631

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Patches & Fixes for CVE-2022-0631 (1)

Vendor Advisories for CVE-2022-0631 (1)

IV. Related Vulnerabilities

Same product: mruby/mruby
Same vendor: mruby
Same weakness: CWE-122

V. Comments for CVE-2022-0631

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