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FreeBSD: VID-D9F686F3-FDE0-48DC-AB0A-01C2FE3E0529: py-matrix-synapse -- multiple vulnerabilities

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FreeBSD: VID-D9F686F3-FDE0-48DC-AB0A-01C2FE3E0529: py-matrix-synapse -- multiple vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
07/02/2020
Created
07/07/2020
Added
07/04/2020
Modified
07/04/2020

Description

Matrix developers report:

Due to the two security issues highlighted below, server administrators are encouraged to update Synapse. We are not aware of these vulnerabilities being exploited in the wild.

A malicious homeserver could force Synapse to reset the state in a room to a small subset of the correct state. This affects all Synapse deployments which federate with untrusted servers.

HTML pages served via Synapse were vulnerable to clickjacking attacks. This predominantly affects homeservers with single-sign-on enabled, but all server administrators are encouraged to upgrade.

Solution(s)

  • freebsd-upgrade-package-py36-matrix-synapse
  • freebsd-upgrade-package-py37-matrix-synapse
  • freebsd-upgrade-package-py38-matrix-synapse

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