Resource exhaustion in Eclipse Mosquitto
CVE-2017-7651
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.052 (92.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.053 · newest: 0.052 · change: -0.001
Affected products
- Eclipse Mosquitto
- The Eclipse Foundation Mosquitto — versions 1.4.14
- Debian Linux — versions 7.0, 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.debian.org/debian-lts-announce/2018/03/msg00037.html (mailing-list, Mailing List, Third Party Advisory)
- mosquitto.org/blog/2018/02/security-advisory-cve-2017-7651-cve-2017-7652/ (Patch, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2018/06/msg00016.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2018/dsa-4325 (vendor-advisory, Third Party Advisory)
- bugs.eclipse.org/bugs/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-7651?
- CVE-2017-7651 is a high-severity vulnerability in Eclipse Mosquitto, classified under CWE-789. CVSS score: 7.5/10. Published 2018-04-24.
- How severe is CVE-2017-7651?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-7651 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.