PT-2021-23058 · Eclipse · Eclipse Paho Mqtt C Client

Published 2021-11-02 · Updated 2021-11-04 · CVE-2021-41036

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 Eclipse Paho MQTT C Client versions prior to 1.1

Description The Eclipse Paho MQTT C Client does not check the rem len size in the readpacket function. This issue affects versions prior to 1.1.

Recommendations For versions prior to 1.1, update to version 1.1 or later to resolve the issue.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-41036

Affected Products

Eclipse Paho Mqtt C Client

References · 7

• https://github.com/eclipse/paho.mqtt.embedded-c/issues/96 · Patch
• https://osv.dev/vulnerability/CVE-2021-41036 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-41036 · Security Note
• https://ubuntu.com/security/CVE-2021-41036 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-41036 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-41036 · Security Note
• https://t.me/cibsecurity/31700 · Telegram Post