In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force.
Advisories
Source ID Title
EUVD EUVD EUVD-2022-3580 In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force.
Github GHSA Github GHSA GHSA-ch5v-fhg8-7gv9 Matrix Synapse Authorization Error
Ubuntu USN Ubuntu USN USN-6076-1 Synapse vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-09-16T18:24:30.516Z

Reserved: 2018-06-14T00:00:00Z

Link: CVE-2018-12423

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-06-14T21:29:00.253

Modified: 2024-11-21T03:45:11.783

Link: CVE-2018-12423

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.