GHSA-v8wm-g9f2-xjv4

Suggest an improvement
Source
https://github.com/advisories/GHSA-v8wm-g9f2-xjv4
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-v8wm-g9f2-xjv4/GHSA-v8wm-g9f2-xjv4.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-v8wm-g9f2-xjv4
Aliases
Published
2022-05-13T01:49:32Z
Modified
2023-11-08T03:59:49.359342Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
Matrix Synapse Security Filtering Flaw
Details

The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the getmissingevents federation API where event visibility rules were not applied correctly.

References

Affected packages

PyPI / matrix-synapse

Package

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.31.1