PT-2021-10167 · Cesanta · Cesanta Mjs

Hongxuchen · Published 2021-05-28 · Updated 2022-10-26 · CVE-2020-18392

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 array 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 array 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-2020-18392

Affected Products

Cesanta Mjs

References · 5

• 🔥 https://github.com/cesanta/mjs/issues/106 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-18392 · Security Note
• https://osv.dev/vulnerability/CVE-2020-18392 · Vendor Advisory
• https://t.me/cvenotify/15266 · Telegram Post
• https://cwe.mitre.org/data/definitions/674.html · Note