matrix-synapse: Synapse is an open-source Matrix homeserver Prior to versions 1.95.1 and 1.96.0rc1, cached device information of remo...
CVE-2023-43796 is fixed in matrix-synapse on 1 platform, first by matrix-synapse 0.24.0+dfsg-1ubuntu0.1~esm4, released October 31, 2023. It is not reported as exploited. Patch Radar priority: Routine.
Synapse is an open-source Matrix homeserver Prior to versions 1.95.1 and 1.96.0rc1, cached device information of remote users can be queried from Synapse. This can be used to enumerate the remote users known to a homeserver. System administrators are encouraged to upgrade to Synapse 1.95.1 or 1.96.0rc1 to receive a patch. As a workaround, the `federation_domain_whitelist` can be used to limit federation traffic with a homeserver.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| matrix-synapse · Debian 14 | 1.95.1-1 | DEBIAN-CVE-2023-43796 | Oct 31, 2023 |
| matrix-synapse · Ubuntu 18.04.6 LTS (bionic) | 0.24.0+dfsg-1ubuntu0.1~esm4 | matrix-synapse 0.24.0+dfsg-1ubuntu0.1~esm4 | Oct 31, 2023 |
| matrix-synapse · Ubuntu 20.04 LTS (focal) | 1.11.0-1ubuntu0.1~esm2 | matrix-synapse 1.11.0-1ubuntu0.1~esm2 | Oct 31, 2023 |
| matrix-synapse · Ubuntu 22.04.1 LTS (jammy) | 1.53.0-1ubuntu0.1~esm2 | matrix-synapse 1.53.0-1ubuntu0.1~esm2 | Dec 3, 2024 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.