CVE-2023-23557 - Vulnerability Details - OpenCVE

An error in Hermes' algorithm for copying objects properties prior to commit a00d237346894c6067a594983be6634f4168c9ad could be used by a malicious attacker to execute arbitrary code via type confusion. Note that this is only exploitable in cases where Hermes is used to execute untrusted JavaScript. Hence, most React Native applications are not affected.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0054.

Exploitation none

Automatable yes

Technical Impact total

Vendors	Products
Facebook	Hermes

Configuration 1 [-]

cpe:2.3:a:facebook:hermes:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2023-27657	An error in Hermes' algorithm for copying objects properties prior to commit a00d237346894c6067a594983be6634f4168c9ad could be used by a malicious attacker to execute arbitrary code via type confusion. Note that this is only exploitable in cases where Hermes is used to execute untrusted JavaScript. Hence, most React Native applications are not affected.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/facebook/hermes/commit/a00d237346894c6067a594983be6634f4168c9ad
https://www.facebook.com/security/advisories/cve-2023-23557

History

Tue, 21 Jan 2025 22:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: facebook

Published: 2023-05-18T21:19:41.668Z

Updated: 2025-01-21T21:20:13.134Z

Reserved: 2023-01-12T23:36:42.921Z

Link: CVE-2023-23557

Vulnrichment

Updated: 2024-08-02T10:35:33.573Z

NVD

Status : Modified

Published: 2023-05-18T22:15:09.540

Modified: 2025-01-21T22:15:09.520

Link: CVE-2023-23557

Redhat

No data.

OpenCVE Enrichment

No data.

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