CVEvulnerability
CVE-2018-16515
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2018-09-18
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 8.8 HIGH — CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:P
- Weaknesses
- CWE-347
Description
Matrix Synapse before 0.33.3.1 allows remote attackers to spoof events and possibly have unspecified other impacts by leveraging improper transaction and event signature validation.
Affected configurations
• matrix synapse (< 0.33.3.1)
• debian debian linux 8.0
Related
Weakness · CWE (1)
- CWE-347 Improper Verification of Cryptographic Signature weakness
References
- https://github.com/matrix-org/synapse/issues/3796#event-1833126269 Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IRW7YR2H3ASUSYX4AO4KMY3FNVDNYW3P/ lists.fedoraproject.org
- https://matrix.org/blog/2018/09/06/critical-security-update-synapse-0-33-3-1/ Vendor Advisory
- https://github.com/matrix-org/synapse/issues/3796#event-1833126269 Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IRW7YR2H3ASUSYX4AO4KMY3FNVDNYW3P/ lists.fedoraproject.org
- https://matrix.org/blog/2018/09/06/critical-security-update-synapse-0-33-3-1/ Vendor Advisory