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FacebookCVE-2022-32234

HistoryOct 11, 2022 - 1:15 a.m.

CVE-2022-32234

2022-10-1101:15:08

CWE-787

facebook

web.nvd.nist.gov

cve-2022-32234

out of bounds write

hermes

large arrays

arbitrary code execution

crafted javascript

nvd

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

0.003

Percentile

69.9%

JSON

An out of bounds write in hermes, while handling large arrays, prior to commit 06eaec767e376bfdb883d912cb15e987ddf2bda1 allows attackers to potentially execute arbitrary code via crafted JavaScript. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native applications are not affected.

Affected configurations

Nvd

Node

facebookhermesRange<0.12.0

VendorProductVersionCPE
facebookhermes*cpe:2.3:a:facebook:hermes:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
facebook	hermes	*	cpe:2.3:a:facebook:hermes::::::::

CNA Affected

[
  {
    "vendor": "Facebook",
    "product": "Hermes",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "prior to commit 06eaec767e376bfdb883d912cb15e987ddf2bda1",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]

References

github.com/facebook/hermes/commit/06eaec767e376bfdb883d912cb15e987ddf2bda1

www.facebook.com/security/advisories/CVE-2022-32234

Social References

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

0.003

Percentile

69.9%

JSON

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