CVE-2021-31875

 

Published at: - 29-04-2021 04:15

Last modified: - 25-04-2022 10:26

Total changes: - 3

Description

In mjs_json.c in Cesanta MongooseOS mJS 1.26, a maliciously formed JSON string can trigger an off-by-one heap-based buffer overflow in mjs_json_parse, which can potentially lead to redirection of control flow.

Common Vulnerability Scoring System (CVSS)

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

 

Verification logic

 

Reference

• https://github.com/418sec/mjs/pull/2
• https://github.com/cesanta/mjs/releases/tag/1.26
• https://huntr.dev/bounties/1-other-mjs/

 

Keywords

NVD

 

CVE-2021-31875

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures