Stack Buffer Overflow in mJS: Restricted JavaScript Engine by Cesanta
CVE-2021-33443

5.5MEDIUM

Key Information:

Vendor

Cesanta

Status
Mjs
Vendor
CVE Published:
26 July 2022

What is CVE-2021-33443?

A stack buffer overflow vulnerability has been identified in the mJS (Restricted JavaScript engine) during the execution of ES6 JavaScript. This issue lies in the mjs_execute() function within mjs.c, potentially allowing for the execution of arbitrary code, thereby compromising the integrity and security of the system utilizing this engine.

References

https://github.com/cesanta/mjs/issues/167
x_refsource_MISC
https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f7...
x_refsource_MISC

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.