CVE-2019-11778 Information

Description

If an MQTT v5 client connects to Eclipse Mosquitto versions 1.6.0 to 1.6.4 inclusive sets a last will and testament sets a will delay interval sets a session expiry interval and the will delay interval is set longer than the session expiry interval then a use after free error occurs which has the potential to cause a crash in some situations.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Reference

https://bugs.eclipse.org/bugs/show_bug.cgi?id=551162

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

LOW

Base Severity

5.4