What is the severity of CVE-2017-7650?

CVE-2017-7650 has a Medium severity rating due to the potential for unauthorized access to MQTT topics.

How do I fix CVE-2017-7650?

To fix CVE-2017-7650, upgrade to Eclipse Mosquitto version 1.4.12 or later.

Who is affected by CVE-2017-7650?

CVE-2017-7650 affects users of Eclipse Mosquitto versions prior to 1.4.12 and Debian Debian Linux 8.0.

What is the exploit mechanism for CVE-2017-7650?

The exploit mechanism for CVE-2017-7650 involves clients bypassing pattern-based ACLs by setting their username or client ID to '#' or '+.'

Is CVE-2017-7650 specific to a certain version of Mosquitto?

Yes, CVE-2017-7650 specifically affects versions of Mosquitto prior to 1.4.12.

Vulnerability/
CVE-2017-7650

medium

6.5

CWE

287

29/5/2017

5/8/2024

CVE-2017-7650

First published: Mon May 29 2017(Updated: )

In Mosquitto before 1.4.12, pattern based ACLs can be bypassed by clients that set their username/client id to '#' or '+'. This allows locally or remotely connected clients to access MQTT topics that they do have the rights to. The same issue may be present in third party authentication/access control plugins for Mosquitto.

Credit: emo@eclipse.org

Affected Software	Affected Version	How to fix
Eclipse Mosquitto	<1.4.12
Debian Debian Linux	=8.0

Remedy

http://mosquitto.org/2017/05/security-advisory-cve-2017-7650/

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2017-7650?
CVE-2017-7650 has a Medium severity rating due to the potential for unauthorized access to MQTT topics.
How do I fix CVE-2017-7650?
To fix CVE-2017-7650, upgrade to Eclipse Mosquitto version 1.4.12 or later.
Who is affected by CVE-2017-7650?
CVE-2017-7650 affects users of Eclipse Mosquitto versions prior to 1.4.12 and Debian Debian Linux 8.0.
What is the exploit mechanism for CVE-2017-7650?
The exploit mechanism for CVE-2017-7650 involves clients bypassing pattern-based ACLs by setting their username or client ID to '#' or '+.'
Is CVE-2017-7650 specific to a certain version of Mosquitto?
Yes, CVE-2017-7650 specifically affects versions of Mosquitto prior to 1.4.12.

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canonical/eclipse mosquitto
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Frequently Asked Questions

What is the severity of CVE-2017-7650?
CVE-2017-7650 has a Medium severity rating due to the potential for unauthorized access to MQTT topics.
How do I fix CVE-2017-7650?
To fix CVE-2017-7650, upgrade to Eclipse Mosquitto version 1.4.12 or later.
Who is affected by CVE-2017-7650?
CVE-2017-7650 affects users of Eclipse Mosquitto versions prior to 1.4.12 and Debian Debian Linux 8.0.
What is the exploit mechanism for CVE-2017-7650?
The exploit mechanism for CVE-2017-7650 involves clients bypassing pattern-based ACLs by setting their username or client ID to '#' or '+.'
Is CVE-2017-7650 specific to a certain version of Mosquitto?
Yes, CVE-2017-7650 specifically affects versions of Mosquitto prior to 1.4.12.