Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /send_join, /send_leave, and /invite may not be correctly signed, or may not come from the expected servers.
References
Link Resource
https://github.com/matrix-org/synapse/pull/6262 Patch Third Party Advisory
https://github.com/matrix-org/synapse/releases/tag/v1.5.0 Release Notes Third Party Advisory
History

No history.

cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2019-11-07T23:12:07

Updated: 2019-11-07T23:12:07

Reserved: 2019-11-07T00:00:00


Link: CVE-2019-18835

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2019-11-08T00:15:10.413

Modified: 2020-08-24T17:37:01.140


Link: CVE-2019-18835

JSON object: View

cve-icon Redhat Information

No data.

CWE