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FacebookCVE-2023-25933

HistoryMay 18, 2023 - 10:15 p.m.

CVE-2023-25933

2023-05-1822:15:09

CWE-843

facebook

web.nvd.nist.gov

cve-2023-25933

typedarray

type confusion bug

commit e6ed9c1a4b02dc219de1648f44cd808a56171b81

hermes

untrusted 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

0.004

Percentile

74.2%

JSON

A type confusion bug in TypedArray prior to commit e6ed9c1a4b02dc219de1648f44cd808a56171b81 could have been used by a malicious attacker to execute arbitrary code via untrusted JavaScript. Note that this is only exploitable in cases where Hermes is used to execute untrusted JavaScript. Hence, most React Native applications are not affected.

Affected configurations

Nvd

Node

facebookhermesMatch-

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

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

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Hermes",
    "vendor": "Facebook",
    "versions": [
      {
        "lessThan": "e6ed9c1a4b02dc219de1648f44cd808a56171b81",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]

References

github.com/facebook/hermes/commit/e6ed9c1a4b02dc219de1648f44cd808a56171b81

www.facebook.com/security/advisories/cve-2023-25933

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

0.004

Percentile

74.2%

JSON

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