Vulnerabilities > CVE-2021-33442 - NULL Pointer Dereference vulnerability in Cesanta MJS

CVSS 5.5 - MEDIUM

Attack vector

LOCAL

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

HIGH

local

low complexity

cesanta

CWE-476

NVD

Published: 2022-07-26

Updated: 2022-07-28

Summary

An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is NULL pointer dereference in json_printf() in mjs.c.

Vulnerable Configurations

Part	Description	Count
Application	Cesanta Cesanta MJS 1.5 Cesanta MJS 1.6 Cesanta MJS 1.7 Cesanta MJS 1.8 Cesanta MJS 1.9 Cesanta MJS 1.10 Cesanta MJS 1.11 Cesanta MJS 1.12 Cesanta MJS 1.13 Cesanta MJS 1.14 Cesanta MJS 1.15 Cesanta MJS 1.16 Cesanta MJS 1.17 Cesanta MJS 1.18 Cesanta MJS 1.19 Cesanta MJS 1.19.1 Cesanta MJS 1.19.2 Cesanta MJS 1.19.3 Cesanta MJS 1.19.4 Cesanta MJS 1.19.5 Cesanta MJS 1.19.6 Cesanta MJS 1.20 Cesanta MJS 1.20.1 Cesanta MJS 1.21 Cesanta MJS 1.22 Cesanta MJS 1.22.1 Cesanta MJS 1.23 Cesanta MJS 1.24 Cesanta MJS 1.25 Cesanta MJS 1.26 Cesanta MJS 2.0 Cesanta MJS 2.1 Cesanta MJS 2.2 Cesanta MJS 2.3 Cesanta MJS 2.4 Cesanta MJS 2.4.1 Cesanta MJS 2.4.2 Cesanta MJS 2.4.3 Cesanta MJS 2.5 Cesanta MJS 2.5.1 Cesanta MJS 2.6.0 Cesanta MJS 2.7.0 Cesanta MJS 2.7.1 Cesanta MJS 2.8.0 Cesanta MJS 2.8.1 Cesanta MJS 2.9.0 Cesanta MJS 2.10.0 Cesanta MJS 2.10.1 Cesanta MJS 2.10.2 Cesanta MJS 2.11.0 Cesanta MJS 2.12.0 Cesanta MJS 2.12.1 Cesanta MJS 2.13.0 Cesanta MJS 2.13.1 Cesanta MJS 2.14.0 Cesanta MJS 2.15.0 Cesanta MJS 2.16.0 Cesanta MJS 2.17.0 Cesanta MJS 2.18.0 Cesanta MJS 2.19.0 Cesanta MJS 2.19.1	61

Common Weakness Enumeration (CWE)

CWE-476 - NULL Pointer Dereference

Summary

Vulnerable Configurations

Common Weakness Enumeration (CWE)

References