GitHub Advisoryadvisory · PyPI
GHSA-cppw-2mf8-qpm5 Improper Verification of Cryptographic Signature in matrix-synapse
HIGH
Official page ↗
- Aliases
- CVE-2019-18835
- Ecosystem
- PyPI
- Packages
- matrix-synapse
- Severity
- High
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
- Weaknesses
- CWE-347
- Reviewed
- 2022-09-19
Affected packages
• PyPI matrix-synapse: < 1.5.0 → fixed in 1.5.0
Description
Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over `/send_join`, `/send_leave`, and `/invite` may not be correctly signed, or may not come from the expected servers.
Related
Alias · CVE (1)
- CVE-2019-18835 Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. vulnerability
Weakness · CWE (1)
- CWE-347 Improper Verification of Cryptographic Signature weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2019-18835 advisory
- https://github.com/matrix-org/synapse/pull/6262 web
- https://github.com/matrix-org/synapse/commit/172f264ed38e8bef857552f93114b4ee113a880b web
- https://github.com/matrix-org/synapse package
- https://github.com/matrix-org/synapse/releases/tag/v1.5.0 web
- https://github.com/pypa/advisory-database/tree/main/vulns/matrix-synapse/PYSEC-2019-186.yaml web