PYSEC-2021-134
Vulnerability from pysec - Published: 2021-03-26 20:15 - Updated: 2021-08-27 03:22
VLAI?
Details
Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the notification emails sent for notifications for missed messages or for an expiring account are subject to HTML injection. In the case of the notification for missed messages, this could allow an attacker to insert forged content into the email. The account expiry feature is not enabled by default and the HTML injection is not controllable by an attacker. This is fixed in version 1.27.0.
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": "e54746bdf7d5c831eabe4dcea76a7626f1de73df"
}
],
"repo": "https://github.com/matrix-org/synapse",
"type": "GIT"
},
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.27.0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.33.5",
"0.33.5.1",
"0.33.6",
"0.33.6rc1",
"0.33.7",
"0.33.7rc1",
"0.33.7rc2",
"0.33.8",
"0.33.8rc2",
"0.33.9",
"0.34.0",
"0.34.0.1",
"0.34.0rc1",
"0.34.0rc2",
"0.34.1.1",
"0.99.0",
"0.99.0rc1",
"0.99.0rc2",
"0.99.0rc3",
"0.99.0rc4",
"0.99.1",
"0.99.1.1",
"0.99.1rc1",
"0.99.1rc2",
"0.99.2",
"0.99.2rc1",
"0.99.3",
"0.99.3.1",
"0.99.3.2",
"0.99.3rc1",
"0.99.4",
"0.99.4rc1",
"0.99.5",
"0.99.5.1",
"0.99.5.2",
"0.99.5rc1",
"1.0.0",
"1.0.0rc1",
"1.0.0rc2",
"1.0.0rc3",
"1.1.0",
"1.1.0rc1",
"1.1.0rc2",
"1.10.0",
"1.10.0rc1",
"1.10.0rc2",
"1.10.0rc3",
"1.10.0rc5",
"1.10.1",
"1.11.0",
"1.11.0rc1",
"1.11.1",
"1.12.0",
"1.12.0rc1",
"1.12.1",
"1.12.1rc1",
"1.12.2",
"1.12.3",
"1.12.4",
"1.12.4rc1",
"1.13.0",
"1.13.0rc1",
"1.13.0rc2",
"1.13.0rc3",
"1.14.0",
"1.14.0rc1",
"1.14.0rc2",
"1.15.0",
"1.15.0rc1",
"1.15.1",
"1.15.2",
"1.16.0",
"1.16.0rc1",
"1.16.0rc2",
"1.16.1",
"1.17.0",
"1.17.0rc1",
"1.18.0",
"1.18.0rc1",
"1.18.0rc2",
"1.19.0",
"1.19.0rc1",
"1.19.1",
"1.19.1rc1",
"1.19.2",
"1.19.3",
"1.2.0",
"1.2.0rc1",
"1.2.0rc2",
"1.2.1",
"1.20.0",
"1.20.0rc1",
"1.20.0rc2",
"1.20.0rc3",
"1.20.0rc4",
"1.20.0rc5",
"1.20.1",
"1.21.0",
"1.21.0rc1",
"1.21.0rc2",
"1.21.0rc3",
"1.21.1",
"1.21.2",
"1.22.0",
"1.22.0rc1",
"1.22.0rc2",
"1.22.1",
"1.23.0",
"1.23.0rc1",
"1.23.1",
"1.24.0",
"1.24.0rc1",
"1.24.0rc2",
"1.25.0",
"1.25.0rc1",
"1.26.0",
"1.26.0rc1",
"1.26.0rc2",
"1.27.0rc1",
"1.27.0rc2",
"1.3.0",
"1.3.0rc1",
"1.3.1",
"1.4.0",
"1.4.0rc1",
"1.4.0rc2",
"1.4.1",
"1.4.1rc1",
"1.5.0",
"1.5.0rc1",
"1.5.0rc2",
"1.5.1",
"1.6.0",
"1.6.0rc1",
"1.6.0rc2",
"1.6.1",
"1.7.0",
"1.7.0rc1",
"1.7.0rc2",
"1.7.1",
"1.7.2",
"1.7.3",
"1.8.0",
"1.8.0rc1",
"1.9.0",
"1.9.0.dev1",
"1.9.0.dev2",
"1.9.0rc1",
"1.9.1"
]
}
],
"aliases": [
"CVE-2021-21333",
"GHSA-c5f8-35qr-q4fm"
],
"details": "Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.27.0, the notification emails sent for notifications for missed messages or for an expiring account are subject to HTML injection. In the case of the notification for missed messages, this could allow an attacker to insert forged content into the email. The account expiry feature is not enabled by default and the HTML injection is not controllable by an attacker. This is fixed in version 1.27.0.",
"id": "PYSEC-2021-134",
"modified": "2021-08-27T03:22:06.710356Z",
"published": "2021-03-26T20:15:00Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/matrix-org/synapse/pull/9200"
},
{
"type": "FIX",
"url": "https://github.com/matrix-org/synapse/commit/e54746bdf7d5c831eabe4dcea76a7626f1de73df"
},
{
"type": "WEB",
"url": "https://github.com/matrix-org/synapse/releases/tag/v1.27.0"
},
{
"type": "ADVISORY",
"url": "https://github.com/matrix-org/synapse/security/advisories/GHSA-c5f8-35qr-q4fm"
}
]
}
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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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