CVE-2017-7653

medium

Description

The Eclipse Mosquitto broker up to version 1.4.15 does not reject strings that are not valid UTF-8. A malicious client could cause other clients that do reject invalid UTF-8 strings to disconnect themselves from the broker by sending a topic string which is not valid UTF-8, and so cause a denial of service for the clients.

References

https://www.debian.org/security/2018/dsa-4325

https://usn.ubuntu.com/4023-1/

https://lists.debian.org/debian-lts-announce/2018/09/msg00036.html

https://bugs.eclipse.org/bugs/show_bug.cgi?id=532113

http://docs.oasis-open.org/mqtt/disallowed-chars/v1.0/disallowed-chars-v1.0.pdf

Details

Source: Mitre, NVD

Published: 2018-06-05

Updated: 2019-06-20

Risk Information

CVSS v2

Base Score: 3.5

Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 5.3

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

Severity: Medium