Vulnerability CVE-2019-11778


Published: 2019-09-18   Modified: 2019-09-19

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.

Type:

CWE-416

(Use After Free)

CVSS2 => (AV:N/AC:L/Au:S/C:N/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.5/10
4.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
None
Partial
Partial
Affected software
Eclipse -> Mosquitto 

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

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