PT-2022-12770 · Cesanta · Cesanta Mjs

Hope-Fly · Published 2022-01-27 · Updated 2022-02-01 · CVE-2021-46525

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description A heap-use-after-free issue was discovered in Cesanta MJS via the mjs apply function at src/mjs exec.c.

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

Exploit

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2021-46525

Affected Products

Cesanta Mjs

References · 3

• 🔥 https://github.com/cesanta/mjs/issues/199 · Exploit
• https://osv.dev/vulnerability/CVE-2021-46525 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-46525 · Security Note