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FacebookCVE-2023-28081

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

CVE-2023-28081

2023-05-1822:15:09

CWE-416

facebook

web.nvd.nist.gov

hermes

cve-2023-28081

bytecode optimization

use-after-free

arbitrary code execution

react native

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

9.6

Confidence

High

EPSS

0.004

Percentile

74.2%

JSON

A bytecode optimization bug in Hermes prior to commit e6ed9c1a4b02dc219de1648f44cd808a56171b81 could be used to cause an use-after-free and obtain arbitrary code execution via a carefully crafted payload. 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": "git"
      }
    ]
  }
]

References

github.com/facebook/hermes/commit/e6ed9c1a4b02dc219de1648f44cd808a56171b81

www.facebook.com/security/advisories/cve-2023-28081

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

9.6

Confidence

High

EPSS

0.004

Percentile

74.2%

JSON

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