CVE-2017-7650 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

http://mosquitto.org/2017/05/security-advisory-cve-2017-7650/ http://www.debian.org/security/2017/dsa-3865 http://www.securityfocus.com/bid/98741 https://bugs.eclipse.org/bugs/show_bug.cgi?id=516765

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

6.5