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CVE-2022-1427— Out-of-bounds Read in mrb_obj_is_kind_of in 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 3.2 之前存在安全漏洞，该漏洞源于读取 mrb_obj_is_kind_of 越界。

AI Predicted 7.5 Difficulty: Hard EPSS 0.48% · P40

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2022-1427

Vulnerability Information
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Vulnerability Title
Out-of-bounds Read in mrb_obj_is_kind_of in in mruby/mruby
Source: CVE Program / CVE List V5
Vulnerability Description
Out-of-bounds Read in mrb_obj_is_kind_of in in GitHub repository mruby/mruby prior to 3.2. # Impact: Possible arbitrary code execution if being exploited.
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
mruby 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mruby是一款Ruby语言的轻量级实现。 mruby 3.2 之前存在安全漏洞，该漏洞源于读取 mrb_obj_is_kind_of 越界。
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-2022-1427

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III. Intelligence Information for CVE-2022-1427

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Patches & Fixes for CVE-2022-1427 (1)

Vendor Advisories for CVE-2022-1427 (1)

IV. Related Vulnerabilities

Same product: mruby/mruby
Same vendor: mruby
Same weakness: CWE-125

V. Comments for CVE-2022-1427

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