PT-2023-28786 · Cesanta · Mjs

Cla7Aye15I4Ndo · Published 2023-09-22 · Updated 2023-09-26 · CVE-2023-43338

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

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

Description A function pointer hijacking issue was discovered in the mjs get ptr() function, allowing attackers to execute arbitrary code via a crafted input.

Recommendations For version 2.20.0, consider disabling the mjs get ptr() function as a temporary workaround until a patch is available.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2023-43338

Affected Products

Mjs

References · 3

• 🔥 https://github.com/cesanta/mjs/issues/250 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-43338 · Security Note
• https://osv.dev/vulnerability/CVE-2023-43338 · Vendor Advisory