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.
History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2018-06-13T14:00:00Z

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 : Analyzed

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

Modified: 2019-10-03T00:03:26.223

Link: CVE-2018-12291

cve-icon Redhat

No data.