matrix-org/synapse · Security
Matrix Synapse DoS
- GHSA ID
- GHSA-vmcc-4p4x-x7wg
- CVE ID
- CVE-2018-10657
- Severity
- high
- Published
- Updated
- CVSS
- 7.5 · CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS v3
- 7.5 · CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
Matrix Synapse before 0.28.1 is prone to a denial of service flaw where malicious events injected with depth = 263 - 1 render rooms unusable, related to federation/federation_base.py and handlers/message.py, as exploited in the wild in April 2018.
CWEs
- CWE-20 · Improper Input Validation
References
- https://nvd.nist.gov/vuln/detail/CVE-2018-10657 ↗
- https://github.com/matrix-org/synapse/commit/33f469ba19586bbafa0cf2c7d7c35463bdab87eb ↗
- https://matrix.org/blog/2018/05/01/security-update-synapse-0-28-1/ ↗
- https://docs.google.com/document/d/1I3fi2S-XnpO45qrpCsowZv8P8dHcNZ4fsBsbOW7KABI/edit#heading=h.fj95ykuss7s1 ↗
- https://github.com/advisories/GHSA-vmcc-4p4x-x7wg ↗