CVE-2023-25933 — CRITICAL (9.8)

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Facebook	Hermes	-

Related Weaknesses (CWE)

CWE-843

References

https://github.com/facebook/hermes/commit/e6ed9c1a4b02dc219de1648f44cd808a56171bPatch
https://www.facebook.com/security/advisories/cve-2023-25933PatchVendor Advisory
https://github.com/facebook/hermes/commit/e6ed9c1a4b02dc219de1648f44cd808a56171bPatch
https://www.facebook.com/security/advisories/cve-2023-25933PatchVendor Advisory

FAQ

What is CVE-2023-25933?

CVE-2023-25933 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 t...

How severe is CVE-2023-25933?

CVE-2023-25933 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2023-25933?

Check the references section above for vendor advisories and patch information. Affected products include: Facebook Hermes.