PT-2024-26516 · Cesanta · Mongoose

Published 2024-05-29 · Updated 2024-08-20 · CVE-2024-35492

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Cesanta Mongoose version b316989

Description The issue is related to a NULL pointer dereference via the scpy function at src/fmt.c. This allows attackers to cause a Denial of Service (DoS) via a crafted MQTT packet.

Recommendations For version b316989, consider disabling the scpy function at src/fmt.c as a temporary workaround to minimize the risk of exploitation. Restrict access to the src/fmt.c module to minimize the risk of Denial of Service (DoS) attacks via crafted MQTT packets.

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2024-35492

Affected Products

Mongoose

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2024-35492 · Security Note
• https://t.me/cvenotify/81515 · Telegram Post
• https://t.me/cvenotify/81468 · Telegram Post
• https://t.me/cvenotify/91359 · Telegram Post
• ❌ https://github.com/zzh-newlearner/MQTT_Crash/blob/main/Mongoose_null_pointer.md · Note, Deleted