Vulnerability CVE-2017-7651
Published: 2018-04-24

Description:
In Eclipse Mosquitto 1.4.14, a user can shutdown the Mosquitto server simply by filling the RAM memory with a lot of connections with large payload. This can be done without authentications if occur in connection phase of MQTT protocol.

Type:

CWE-400

 (Uncontrolled Resource Consumption ('Resource Exhaustion'))

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Eclipse -> Mosquitto 
Debian -> Debian linux 

 References:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=529754
https://lists.debian.org/debian-lts-announce/2018/03/msg00037.html
https://lists.debian.org/debian-lts-announce/2018/06/msg00016.html
https://mosquitto.org/blog/2018/02/security-advisory-cve-2017-7651-cve-2017-7652/
https://www.debian.org/security/2018/dsa-4325
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