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@huntrdevCVE-2022-1276

HistoryApr 10, 2022 - 10:15 a.m.

CVE-2022-1276

2022-04-1010:15:07

CWE-125

@huntrdev

web.nvd.nist.gov

122

cve-2022-1276

github repository

mruby

out-of-bounds read

mrb_get_args

arbitrary code execution

nvd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.7

Confidence

High

EPSS

0.002

Percentile

61.3%

JSON

Out-of-bounds Read in mrb_get_args in GitHub repository mruby/mruby prior to 3.2. Possible arbitrary code execution if being exploited.

Affected configurations

Nvd

Node

mrubymrubyRange<3.2

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

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

CNA Affected

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

References

github.com/mruby/mruby/commit/c8c083cb750606b2da81582cd8e43b442bb143e6

huntr.dev/bounties/6ea041d1-e2aa-472c-bf3e-da5fa8726c25

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.7

Confidence

High

EPSS

0.002

Percentile

61.3%

JSON

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