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Ubuntu: USN-6076-1 (CVE-2019-18835): Synapse vulnerabilities

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Ubuntu: USN-6076-1 (CVE-2019-18835): Synapse vulnerabilities

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
11/08/2019
Created
05/17/2023
Added
05/17/2023
Modified
11/15/2024

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.

Solution(s)

  • ubuntu-pro-upgrade-matrix-synapse

References

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