PYSEC-2023-230
Vulnerability from pysec - Published: 2023-10-31 17:15 - Updated: 2023-11-08 20:24
VLAI?
Details
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.
Severity ?
5.3 (Medium)
Impacted products
| Name | purl | matrix-synapse | pkg:pypi/matrix-synapse |
|---|
Aliases
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "matrix-synapse",
"purl": "pkg:pypi/matrix-synapse"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "daec55e1fe120c564240c5386e77941372bf458f"
}
],
"repo": "https://github.com/matrix-org/synapse",
"type": "GIT"
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.95.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.33.5",
"0.33.5.1",
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]
}
],
"aliases": [
"CVE-2023-43796",
"GHSA-mp92-3jfm-3575"
],
"details": "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.\n",
"id": "PYSEC-2023-230",
"modified": "2023-11-08T20:24:49.199333+00:00",
"published": "2023-10-31T17:15:00+00:00",
"references": [
{
"type": "ADVISORY",
"url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-mp92-3jfm-3575"
},
{
"type": "FIX",
"url": "https://github.com/matrix-org/synapse/commit/daec55e1fe120c564240c5386e77941372bf458f"
}
],
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"type": "CVSS_V3"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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