CVE-2018-12291

Description

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.

References

https://github.com/matrix-org/synapse/releases/tag/v0.31.1

https://github.com/matrix-org/synapse/pull/3371

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3