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Alpine Linux: CVE-2022-39335: Exposure of Sensitive Information to an Unauthorized Actor

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Alpine Linux: CVE-2022-39335: Exposure of Sensitive Information to an Unauthorized Actor

Severity
6
CVSS
(AV:N/AC:M/Au:S/C:P/I:P/A:P)
Published
05/26/2023
Created
08/23/2024
Added
08/22/2024
Modified
10/02/2024

Description

Synapse is an open-source Matrix homeserver written and maintained by the Matrix.org Foundation. The Matrix Federation API allows remote homeservers to request the authorization events in a room. This is necessary so that a homeserver receiving some events can validate that those events are legitimate and permitted in their room. However, in versions of Synapse up to and including 1.68.0, a Synapse homeserver answering a query for authorization events does not sufficiently check that the requesting server should be able to access them. The issue was patched in Synapse 1.69.0. Homeserver administrators are advised to upgrade.

Solution(s)

  • alpine-linux-upgrade-synapse

References

  • https://attackerkb.com/topics/cve-2022-39335
  • CVE - 2022-39335
  • https://security.alpinelinux.org/vuln/CVE-2022-39335
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