PT-2022-12781 · Cesanta · Cesanta Mjs

Hope-Fly · Published 2022-01-27 · Updated 2022-01-31 · CVE-2021-46538

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 A SEGV issue was found in Cesanta MJS via the gc compact strings function at src/mjs gc.c, which can cause a Denial of Service (DoS).

Recommendations For version 2.20.0, consider disabling the gc compact strings function as a temporary workaround until a patch is available.

Exploit

Fix

Related Identifiers

CVE-2021-46538

Affected Products

Cesanta Mjs

References · 3

• 🔥 https://github.com/cesanta/mjs/issues/216 · Exploit
• https://osv.dev/vulnerability/CVE-2021-46538 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-46538 · Security Note