CVE-2017-7651

high-risk
Published 2018-04-24

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.

Do I need to act?

!
23.2% chance of exploitation in next 30 days
EPSS score — higher than 77% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (4)

Affected Vendors

Debian Eclipse

References (10)

Exploit https://bugs.eclipse.org/bugs/show_bug.cgi?id=529754
Mailing List https://lists.debian.org/debian-lts-announce/2018/03/msg00037.html
Mailing List https://lists.debian.org/debian-lts-announce/2018/06/msg00016.html
Patch https://mosquitto.org/blog/2018/02/security-advisory-cve-2017-7651-cve-2017-7652...
Third Party Advisory https://www.debian.org/security/2018/dsa-4325
Exploit https://bugs.eclipse.org/bugs/show_bug.cgi?id=529754
Mailing List https://lists.debian.org/debian-lts-announce/2018/03/msg00037.html
Mailing List https://lists.debian.org/debian-lts-announce/2018/06/msg00016.html
Patch https://mosquitto.org/blog/2018/02/security-advisory-cve-2017-7651-cve-2017-7652...
Third Party Advisory https://www.debian.org/security/2018/dsa-4325
50
/ 100
high-risk
Severity 26/34 · High
Exploitability 14/34 · Moderate
Exposure 10/34 · Low