Resource Exhaustion Affecting mosquitto package, versions <0.15-2+deb7u3ubuntu0.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1404-MOSQUITTO-284239
- published24 Apr 2018
- disclosed24 Apr 2018
Introduced: 24 Apr 2018
CVE-2017-7651 (opens in a new tab)How to fix?
Upgrade Ubuntu:14.04 mosquitto to version 0.15-2+deb7u3ubuntu0.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mosquitto package and not the mosquitto package as distributed by Ubuntu.
See How to fix? for Ubuntu:14.04 relevant fixed versions and status.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-7651
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=529754
- https://mosquitto.org/blog/2018/02/security-advisory-cve-2017-7651-cve-2017-7652/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7651
- https://www.debian.org/security/2018/dsa-4325
- https://lists.debian.org/debian-lts-announce/2018/03/msg00037.html
- https://lists.debian.org/debian-lts-announce/2018/06/msg00016.html
- https://security-tracker.debian.org/tracker/CVE-2017-7651