PT-2021-12019 · Cesanta · Cesanta Mjs

Wcventure · Published 2021-05-28 · Updated 2021-06-01 · CVE-2020-36369

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 1.20.1

Description: The issue is a stack overflow vulnerability in the parse statement list function, which allows remote attackers to cause a Denial of Service (DoS) via a crafted file.

Recommendations: For Cesanta MJS version 1.20.1, as a temporary workaround, consider disabling the parse statement list function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Uncontrolled Recursion

Weakness Enumeration

CWE-674

Related Identifiers

CVE-2020-36369

Affected Products

Cesanta Mjs

References · 4

• 🔥 https://github.com/cesanta/mjs/issues/135 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-36369 · Security Note
• https://osv.dev/vulnerability/CVE-2020-36369 · Vendor Advisory
• https://t.me/cvenotify/15261 · Telegram Post