The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where event visibility rules were not applied correctly.
Advisories
Source ID Title
EUVD EUVD EUVD-2022-5320 The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where event visibility rules were not applied correctly.
Github GHSA Github GHSA GHSA-v8wm-g9f2-xjv4 Matrix Synapse Security Filtering Flaw
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: 2024-09-17T03:22:37.808Z

Reserved: 2018-06-13T00:00:00Z

Link: CVE-2018-12291

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-06-13T14:29:00.273

Modified: 2024-11-21T03:44:54.540

Link: CVE-2018-12291

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.