CVE-2018-12291

high

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

Published: 2018-06-13

Updated: 2019-10-03

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: High

Detections

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