HIGH 7.5 PyPI
Matrix Synapse DoS
GHSA-vmcc-4p4x-x7wg · CVE-2018-10657 · PYSEC-2026-846
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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.
References
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2018-10657
- WEB https://github.com/matrix-org/synapse/commit/33f469ba19586bbafa0cf2c7d7c35463bdab87eb
- WEB https://docs.google.com/document/d/1I3fi2S-XnpO45qrpCsowZv8P8dHcNZ4fsBsbOW7KABI/edit#heading=h.fj95ykuss7s1
- PACKAGE https://github.com/matrix-org/synapse
- WEB https://matrix.org/blog/2018/05/01/security-update-synapse-0-28-1
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