PT-2022-12760 · Cesanta · Cesanta Mjs

Hope-Fly · Published 2022-01-27 · Updated 2022-02-03 · CVE-2021-46515

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Cesanta MJS version 2.20.0

Description The issue is related to an assertion failure in the mjs stack size function, specifically when checking if mjs->scopes is greater than or equal to scopes len. This failure occurs at src/mjs exec.c in Cesanta MJS.

Recommendations For Cesanta MJS version 2.20.0, at the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Assertion Failure

Weakness Enumeration

CWE-617

Related Identifiers

CVE-2021-46515

Affected Products

Cesanta Mjs

References · 5

• 🔥 https://github.com/cesanta/mjs/issues/186 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-46515 · Security Note
• https://osv.dev/vulnerability/CVE-2021-46515 · Vendor Advisory
• https://t.me/cvenotify/26198 · Telegram Post
• https://t.me/cibsecurity/36401 · Telegram Post