CVE-2023-29569 — MEDIUM (5.5)

Vulnerability Description

Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via ffi_cb_impl_wpwwwww at src/mjs_ffi.c. This vulnerability can lead to a Denial of Service (DoS).

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cesanta	Mjs	2.20.0

Related Weaknesses (CWE)

CWE-476

References

https://github.com/cesanta/mjs/issues/239ExploitIssue TrackingThird Party Advisory
https://github.com/z1r00/fuzz_vuln/blob/main/mjs/SEGV/mjs_ffi/readme.mdExploit
https://github.com/cesanta/mjs/issues/239ExploitIssue TrackingThird Party Advisory
https://github.com/z1r00/fuzz_vuln/blob/main/mjs/SEGV/mjs_ffi/readme.mdExploit

FAQ

What is CVE-2023-29569?

CVE-2023-29569 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via ffi_cb_impl_wpwwwww at src/mjs_ffi.c. This vulnerability can lead to a Denial of Service (DoS).

How severe is CVE-2023-29569?

CVE-2023-29569 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-29569?

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