CVE-2023-50044 — CRITICAL (9.8)

Vulnerability Description

Cesanta MJS 2.20.0 has a getprop_builtin_foreign out-of-bounds read if a Built-in API name occurs in a substring of an input string.

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
Cesanta	Mjs	2.22.0

Related Weaknesses (CWE)

CWE-120

References

https://github.com/cesanta/mjs/issues/254ExploitIssue Tracking
https://github.com/cesanta/mjs/pull/255Patch
https://github.com/cesanta/mjs/issues/254ExploitIssue Tracking
https://github.com/cesanta/mjs/pull/255Patch

FAQ

What is CVE-2023-50044?

CVE-2023-50044 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Cesanta MJS 2.20.0 has a getprop_builtin_foreign out-of-bounds read if a Built-in API name occurs in a substring of an input string.

How severe is CVE-2023-50044?

CVE-2023-50044 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-2023-50044?

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