Improper input validation in Eclipse Mosquitto
CVE-2017-7653
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.015 (71.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Eclipse Mosquitto
- The Eclipse Foundation Mosquitto — versions unspecified
- Debian Debian_linux — versions 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- emo@eclipse.org (x_refsource_CONFIRM, Third Party Advisory, Issue Tracking)
- emo@eclipse.org (Third Party Advisory, x_refsource_MISC)
- emo@eclipse.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- emo@eclipse.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- emo@eclipse.org (x_refsource_UBUNTU, vendor-advisory)
Frequently asked questions
- What is CVE-2017-7653?
- CVE-2017-7653 is a medium-severity vulnerability in Eclipse Mosquitto, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2018-06-05.
- How severe is CVE-2017-7653?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2017-7653 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.