HIGH 7.5

PYSEC-2026-846

Matrix Synapse DoS

상세

Matrix Synapse before 0.28.1 is prone to a denial of service flaw where malicious events injected with depth = 2<sup>63</sup> - 1 render rooms unusable, related to `federation/federation_base.py` and `handlers/message.py`, as exploited in the wild in April 2018.

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영향 패키지

PyPI / matrix-synapse

최초 영향 버전: 0 수정 버전: 0.28.1

수정 pip install --upgrade 'matrix-synapse>=0.28.1'

참고

https://nvd.nist.gov/vuln/detail/CVE-2018-10657 [ADVISORY]
https://github.com/matrix-org/synapse/commit/33f469ba19586bbafa0cf2c7d7c35463bdab87eb [WEB]
https://docs.google.com/document/d/1I3fi2S-XnpO45qrpCsowZv8P8dHcNZ4fsBsbOW7KABI/edit#heading=h.fj95ykuss7s1 [WEB]
https://github.com/matrix-org/synapse [PACKAGE]
https://matrix.org/blog/2018/05/01/security-update-synapse-0-28-1 [WEB]
https://pypi.org/project/matrix-synapse [PACKAGE]
https://github.com/advisories/GHSA-vmcc-4p4x-x7wg [ADVISORY]