matrix-org/synapse · Security
Matrix Synapse Improper Signature Validation
- GHSA ID
- GHSA-fmvh-rvq5-hhjx
- CVE ID
- CVE-2018-16515
- Severity
- high
- Published
- Updated
- CVSS
- 8.8 · CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS v3
- 8.8 · CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
Matrix Synapse before 0.33.3.1 and 0.33.2.1 allows remote attackers to spoof events and possibly have unspecified other impacts by leveraging improper transaction and event signature validation.
CWEs
- CWE-347 · Improper Verification of Cryptographic Signature
References
- https://nvd.nist.gov/vuln/detail/CVE-2018-16515 ↗
- https://github.com/matrix-org/synapse/issues/3796#event-1833126269 ↗
- https://lists.fedoraproject.org/archives/list/[email protected]/message/IRW7YR2H3ASUSYX4AO4KMY3FNVDNYW3P/ ↗
- https://matrix.org/blog/2018/09/06/critical-security-update-synapse-0-33-3-1/ ↗
- https://github.com/matrix-org/synapse/commit/5bf8bc79ebc22c61968f2eb487714813fccbdb9b ↗
- https://github.com/matrix-org/synapse/commit/804dd41e18c449e711e443398b95c9f6c68b6fa2 ↗
- https://github.com/matrix-org/synapse/commit/a5a0bf5cf71caed3c4e3677d2bce667c147dadfc ↗
- https://github.com/matrix-org/synapse/commit/c127c8d0421f0228a46ebbe280c9537e8d8ea42b ↗
- https://github.com/advisories/GHSA-fmvh-rvq5-hhjx ↗