GHSA-ch5v-fhg8-7gv9

Suggest an improvement
Source
https://github.com/advisories/GHSA-ch5v-fhg8-7gv9
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-ch5v-fhg8-7gv9/GHSA-ch5v-fhg8-7gv9.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-ch5v-fhg8-7gv9
Aliases
Published
2022-05-13T01:49:35Z
Modified
2023-11-08T03:59:49.482029Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
Summary
Matrix Synapse Authorization Error
Details

In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force.

Database specific
{
    "nvd_published_at": "2018-06-14T21:29:00Z",
    "cwe_ids": [],
    "severity": "HIGH",
    "github_reviewed": true,
    "github_reviewed_at": "2023-07-22T00:05:35Z"
}
References

Affected packages

PyPI / matrix-synapse

Package

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.31.2