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CVE-2022-1201— NULL Pointer Dereference in mrb_vm_exec with super 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之前版本存在代码问题漏洞，该漏洞可导致mruby解释器崩溃，从而影响系统的可用性。

AI Predicted 5.9 Difficulty: Easy EPSS 0.37% · P30

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth
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I. Basic Information for CVE-2022-1201

Vulnerability Information
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Vulnerability Title
NULL Pointer Dereference in mrb_vm_exec with super in mruby/mruby
Source: CVE Program / CVE List V5
Vulnerability Description
NULL Pointer Dereference in mrb_vm_exec with super in GitHub repository mruby/mruby prior to 3.2. This vulnerability is capable of making the mruby interpreter crash, thus affecting the availability of the system.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
mruby 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mruby是一款Ruby语言的轻量级实现。 mruby 3.2之前版本存在代码问题漏洞，该漏洞可导致mruby解释器崩溃，从而影响系统的可用性。
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-2022-1201

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III. Intelligence Information for CVE-2022-1201

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Patches & Fixes for CVE-2022-1201 (1)

Vendor Advisories for CVE-2022-1201 (1)

IV. Related Vulnerabilities

Same product: mruby/mruby
Same vendor: mruby
Same weakness: CWE-476

V. Comments for CVE-2022-1201

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