The Eclipse Foundation Eclipse Mosquitto

CVE-2018-12551
HIGH 8.1

At a glance

Source
NVD
EPSS
EPSS 1.47 % · percentile 74 ()
State
PUBLISHED
Published
Updated
Assigner
eclipse
NVD status
Modified

Description

When Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) is configured to use a password file for authentication, any malformed data in the password file will be treated as valid. This typically means that the malformed data becomes a username and no password. If this occurs, clients can circumvent authentication and get access to the broker by using the malformed username. In particular, a blank line will be treated as a valid empty username. Other security measures are unaffected. Users who have only used the mosquitto_passwd utility to create and modify their password files are unaffected by this vulnerability.

Weaknesses (CWE)

  • CWE-703 — Improper Check or Handling of Exceptional Conditions
  • CWE-287 — Improper Authentication

References

Scores

VersionScoreVectorScored by
CVSS 3.0HIGH 8.1CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)
CVSS 2.0MEDIUM 6.8AV:N/AC:M/Au:N/C:P/I:P/A:PNVD · nvd@nist.gov (Primary)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
The Eclipse Foundation · Eclipse Mosquittoaffected 1.0 < unspecified ; affected unspecified ≤ 1.5.5

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD