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@huntrdevCVE-2022-1201

HistoryApr 02, 2022 - 8:15 a.m.

CVE-2022-1201

2022-04-0208:15:06

CWE-476

@huntrdev

web.nvd.nist.gov

cve

2022

1201

null pointer dereference

mrb_vm_exec

super

github

mruby

vulnerability

interpreter crash

system availability

nvd

CVSS2

4.9

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

CVSS3

6.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

EPSS

Percentile

12.8%

JSON

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.

Affected configurations

Nvd

Node

mrubymrubyRange<3.2ruby

VendorProductVersionCPE
mrubymruby*cpe:2.3:a:mruby:mruby:*:*:*:*:*:ruby:*:*

Vendor	Product	Version	CPE
mruby	mruby	*	cpe:2.3:a:mruby:mruby::::::ruby::*

CNA Affected

[
  {
    "product": "mruby/mruby",
    "vendor": "mruby",
    "versions": [
      {
        "lessThan": "3.2",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]