Vulnerabilites related to matrix - sydent
CVE-2019-11842 (GCVE-0-2019-11842)
Vulnerability from cvelistv5
Published
2019-05-09 17:06
Modified
2024-08-04 23:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in Matrix Sydent before 1.0.3 and Synapse before 0.99.3.1. Random number generation is mishandled, which makes it easier for attackers to predict a Sydent authentication token or a Synapse random ID.
References
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CVE-2023-38686 (GCVE-0-2023-38686)
Vulnerability from cvelistv5
Published
2023-08-04 15:57
Modified
2024-10-08 17:50
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-295 - Improper Certificate Validation
Summary
Sydent is an identity server for the Matrix communications protocol. Prior to version 2.5.6, if configured to send emails using TLS, Sydent does not verify SMTP servers' certificates. This makes Sydent's emails vulnerable to interception via a man-in-the-middle (MITM) attack. Attackers with privileged access to the network can intercept room invitations and address confirmation emails. This is patched in Sydent 2.5.6. When patching, make sure that Sydent trusts the certificate of the server it is connecting to. This should happen automatically when using properly issued certificates. Those who use self-signed certificates should make sure to copy their Certification Authority certificate, or their self signed certificate if using only one, to the trust store of your operating system. As a workaround, one can ensure Sydent's emails fail to send by setting the configured SMTP server to a loopback or non-routable address under one's control which does not have a listening SMTP server.
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| matrix-org | sydent |
Version: < 2.5.6 |
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CVE-2021-29431 (GCVE-0-2021-29431)
Vulnerability from cvelistv5
Published
2021-04-15 21:00
Modified
2024-08-03 22:02
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Sydent is a reference Matrix identity server. Sydent can be induced to send HTTP GET requests to internal systems, due to lack of parameter validation or IP address blacklisting. It is not possible to exfiltrate data or control request headers, but it might be possible to use the attack to perform an internal port enumeration. This issue has been addressed in in 9e57334, 8936925, 3d531ed, 0f00412. A potential workaround would be to use a firewall to ensure that Sydent cannot reach internal HTTP resources.
References
| ► | URL | Tags | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| matrix-org | sydent |
Version: < 2.3.0 |
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CVE-2019-11340 (GCVE-0-2019-11340)
Vulnerability from cvelistv5
Published
2019-04-19 13:35
Modified
2024-08-04 22:48
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
util/emailutils.py in Matrix Sydent before 1.0.2 mishandles registration restrictions that are based on e-mail domain, if the allowed_local_3pids option is enabled. This occurs because of potentially unwanted behavior in Python, in which an email.utils.parseaddr call on user@bad.example.net@good.example.com returns the user@bad.example.net substring.
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2021-29432 (GCVE-0-2021-29432)
Vulnerability from cvelistv5
Published
2021-04-15 20:45
Modified
2024-08-03 22:02
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-20 - Improper Input Validation
Summary
Sydent is a reference matrix identity server. A malicious user could abuse Sydent to send out arbitrary emails from the Sydent email address. This could be used to construct plausible phishing emails, for example. This issue has been fixed in 4469d1d.
References
| ► | URL | Tags | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| matrix-org | sydent |
Version: < 2.3.0 |
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CVE-2021-29433 (GCVE-0-2021-29433)
Vulnerability from cvelistv5
Published
2021-04-15 17:55
Modified
2024-08-03 22:02
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-20 - {"":"Improper Input Validation"}
Summary
Sydent is a reference Matrix identity server. In Sydent versions 2.2.0 and prior, sissing input validation of some parameters on the endpoints used to confirm third-party identifiers could cause excessive use of disk space and memory leading to resource exhaustion. A patch for the vulnerability is in version 2.3.0. No workarounds are known to exist.
References
| ► | URL | Tags |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| matrix-org | sydent |
Version: <= 2.2.0 |
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CVE-2021-29430 (GCVE-0-2021-29430)
Vulnerability from cvelistv5
Published
2021-04-15 20:35
Modified
2024-08-03 22:02
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Sydent is a reference Matrix identity server. Sydent does not limit the size of requests it receives from HTTP clients. A malicious user could send an HTTP request with a very large body, leading to memory exhaustion and denial of service. Sydent also does not limit response size for requests it makes to remote Matrix homeservers. A malicious homeserver could return a very large response, again leading to memory exhaustion and denial of service. This affects any server which accepts registration requests from untrusted clients. This issue has been patched by releases 89071a1, 0523511, f56eee3. As a workaround request sizes can be limited in an HTTP reverse-proxy. There are no known workarounds for the problem with overlarge responses.
References
| ► | URL | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| matrix-org | sydent |
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Vulnerability from fkie_nvd
Published
2021-04-15 21:15
Modified
2024-11-21 06:01
Severity ?
7.7 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
Sydent is a reference Matrix identity server. Sydent can be induced to send HTTP GET requests to internal systems, due to lack of parameter validation or IP address blacklisting. It is not possible to exfiltrate data or control request headers, but it might be possible to use the attack to perform an internal port enumeration. This issue has been addressed in in 9e57334, 8936925, 3d531ed, 0f00412. A potential workaround would be to use a firewall to ensure that Sydent cannot reach internal HTTP resources.
References
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Vulnerability from fkie_nvd
Published
2021-04-15 18:15
Modified
2024-11-21 06:01
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Summary
Sydent is a reference Matrix identity server. In Sydent versions 2.2.0 and prior, sissing input validation of some parameters on the endpoints used to confirm third-party identifiers could cause excessive use of disk space and memory leading to resource exhaustion. A patch for the vulnerability is in version 2.3.0. No workarounds are known to exist.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| security-advisories@github.com | https://github.com/matrix-org/sydent/commit/3175fd358ebc2c310eab7a3dbf296ce2bd54c1da | Patch, Third Party Advisory | |
| security-advisories@github.com | https://github.com/matrix-org/sydent/security/advisories/GHSA-pw4v-gr34-2553 | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/matrix-org/sydent/commit/3175fd358ebc2c310eab7a3dbf296ce2bd54c1da | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/matrix-org/sydent/security/advisories/GHSA-pw4v-gr34-2553 | Patch, Third Party Advisory |
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}
],
"source": "security-advisories@github.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-400"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2019-05-09 18:29
Modified
2024-11-21 04:21
Severity ?
Summary
An issue was discovered in Matrix Sydent before 1.0.3 and Synapse before 0.99.3.1. Random number generation is mishandled, which makes it easier for attackers to predict a Sydent authentication token or a Synapse random ID.
References
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"value": "Se descubri\u00f3 un problema en Matrix Sydent, versiones anteriores a 1.0.3, y en Synapse, versiones anteriores a 0.99.3.1. La generaci\u00f3n de n\u00fameros aleatorios se maneja incorrectamente, lo que facilita a los atacantes la predicci\u00f3n de un token de autenticaci\u00f3n de Sydent o un ID aleatorio de Synapse."
}
],
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"lastModified": "2024-11-21T04:21:52.673",
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}
Vulnerability from fkie_nvd
Published
2023-08-04 16:15
Modified
2024-11-21 08:14
Severity ?
9.3 (Critical) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
5.3 (Medium) - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
5.3 (Medium) - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
Sydent is an identity server for the Matrix communications protocol. Prior to version 2.5.6, if configured to send emails using TLS, Sydent does not verify SMTP servers' certificates. This makes Sydent's emails vulnerable to interception via a man-in-the-middle (MITM) attack. Attackers with privileged access to the network can intercept room invitations and address confirmation emails. This is patched in Sydent 2.5.6. When patching, make sure that Sydent trusts the certificate of the server it is connecting to. This should happen automatically when using properly issued certificates. Those who use self-signed certificates should make sure to copy their Certification Authority certificate, or their self signed certificate if using only one, to the trust store of your operating system. As a workaround, one can ensure Sydent's emails fail to send by setting the configured SMTP server to a loopback or non-routable address under one's control which does not have a listening SMTP server.
References
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"value": "Sydent is an identity server for the Matrix communications protocol. Prior to version 2.5.6, if configured to send emails using TLS, Sydent does not verify SMTP servers\u0027 certificates. This makes Sydent\u0027s emails vulnerable to interception via a man-in-the-middle (MITM) attack. Attackers with privileged access to the network can intercept room invitations and address confirmation emails. This is patched in Sydent 2.5.6. When patching, make sure that Sydent trusts the certificate of the server it is connecting to. This should happen automatically when using properly issued certificates. Those who use self-signed certificates should make sure to copy their Certification Authority certificate, or their self signed certificate if using only one, to the trust store of your operating system. As a workaround, one can ensure Sydent\u0027s emails fail to send by setting the configured SMTP server to a loopback or non-routable address under one\u0027s control which does not have a listening SMTP server."
},
{
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"value": "Sydent es un servidor de identidad para el protocolo de comunicaciones Matrix. Antes de la versi\u00f3n 2.5.6, si se configuraba para enviar correos electr\u00f3nicos utilizando TLS, Sydent no verificaba los certificados de los servidores SMTP. Esto hace que los correos electr\u00f3nicos de Sydent sean vulnerables a la interceptaci\u00f3n a trav\u00e9s de un ataque man-in-the-middle (MITM). Los atacantes con acceso privilegiado a la red pueden interceptar invitaciones a salas y correos electr\u00f3nicos de confirmaci\u00f3n de direcciones. Esto se ha parcheado en Sydent 2.5.6. Al aplicar el parche, aseg\u00farese de que Sydent conf\u00eda en el certificado del servidor al que se conecta. Esto deber\u00eda ocurrir autom\u00e1ticamente si se utilizan certificados emitidos correctamente. Aquellos que utilicen certificados autofirmados deben asegurarse de copiar su certificado de Autoridad de Certificaci\u00f3n, o su certificado autofirmado si s\u00f3lo utilizan uno, al almac\u00e9n de confianza de su sistema operativo. Como soluci\u00f3n alternativa, puede asegurarse de que los correos electr\u00f3nicos de Sydent no se env\u00eden configurando el servidor SMTP a una direcci\u00f3n de bucle de retorno o no enrutable bajo su control que no tenga un servidor SMTP a la escucha."
}
],
"id": "CVE-2023-38686",
"lastModified": "2024-11-21T08:14:03.207",
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{
"source": "security-advisories@github.com",
"tags": [
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"url": "https://github.com/matrix-org/sydent/releases/tag/v2.5.6"
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"tags": [
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"url": "https://github.com/matrix-org/sydent/security/advisories/GHSA-p6hw-wm59-3g5g"
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"url": "https://github.com/matrix-org/sydent/releases/tag/v2.5.6"
},
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"tags": [
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"url": "https://github.com/matrix-org/sydent/security/advisories/GHSA-p6hw-wm59-3g5g"
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"tags": [
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"url": "https://github.com/python/cpython/issues/91826"
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"vulnStatus": "Modified",
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"value": "CWE-295"
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}
Vulnerability from fkie_nvd
Published
2021-04-15 21:15
Modified
2024-11-21 06:01
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
5.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
Summary
Sydent is a reference matrix identity server. A malicious user could abuse Sydent to send out arbitrary emails from the Sydent email address. This could be used to construct plausible phishing emails, for example. This issue has been fixed in 4469d1d.
References
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},
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"lang": "es",
"value": "Sydent es un servidor de identidad de matriz de referencia.\u0026#xa0;Un usuario malicioso podr\u00eda abusar de Sydent para enviar correos electr\u00f3nicos arbitrarios desde la direcci\u00f3n de correo electr\u00f3nico de Sydent.\u0026#xa0;Esto podr\u00eda ser usado para construir correos electr\u00f3nicos de phishing plausibles, por ejemplo.\u0026#xa0;Este problema ha sido corregido en versi\u00f3n 4469d1d"
}
],
"id": "CVE-2021-29432",
"lastModified": "2024-11-21T06:01:05.130",
"metrics": {
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"source": "security-advisories@github.com",
"type": "Secondary"
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"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N",
"version": "3.1"
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"impactScore": 3.6,
"source": "nvd@nist.gov",
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"published": "2021-04-15T21:15:17.630",
"references": [
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"url": "https://github.com/matrix-org/sydent/commit/4469d1d42b2b1612b70638224c07e19623039c42"
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"url": "https://github.com/matrix-org/sydent/releases/tag/v2.3.0"
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"url": "https://github.com/matrix-org/sydent/security/advisories/GHSA-mh74-4m5g-fcjx"
},
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"source": "security-advisories@github.com",
"tags": [
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"url": "https://pypi.org/project/matrix-sydent/"
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"vulnStatus": "Modified",
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"lang": "en",
"value": "CWE-20"
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"type": "Secondary"
},
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{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2019-04-19 14:29
Modified
2024-11-21 04:20
Severity ?
Summary
util/emailutils.py in Matrix Sydent before 1.0.2 mishandles registration restrictions that are based on e-mail domain, if the allowed_local_3pids option is enabled. This occurs because of potentially unwanted behavior in Python, in which an email.utils.parseaddr call on user@bad.example.net@good.example.com returns the user@bad.example.net substring.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://github.com/matrix-org/sydent/commit/4e1cfff53429c49c87d5c457a18ed435520044fc | Patch, Third Party Advisory | |
| cve@mitre.org | https://github.com/matrix-org/sydent/compare/7c002cd...09278fb | Patch, Third Party Advisory | |
| cve@mitre.org | https://matrix.org/blog/2019/04/18/security-update-sydent-1-0-2/ | Release Notes, Vendor Advisory | |
| cve@mitre.org | https://twitter.com/matrixdotorg/status/1118934335963500545 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/matrix-org/sydent/commit/4e1cfff53429c49c87d5c457a18ed435520044fc | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/matrix-org/sydent/compare/7c002cd...09278fb | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://matrix.org/blog/2019/04/18/security-update-sydent-1-0-2/ | Release Notes, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://twitter.com/matrixdotorg/status/1118934335963500545 | Third Party Advisory |
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}
],
"id": "CVE-2019-11340",
"lastModified": "2024-11-21T04:20:54.877",
"metrics": {
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"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.0"
},
"exploitabilityScore": 2.2,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2019-04-19T14:29:00.417",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/matrix-org/sydent/commit/4e1cfff53429c49c87d5c457a18ed435520044fc"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/matrix-org/sydent/compare/7c002cd...09278fb"
},
{
"source": "cve@mitre.org",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "https://matrix.org/blog/2019/04/18/security-update-sydent-1-0-2/"
},
{
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
],
"url": "https://twitter.com/matrixdotorg/status/1118934335963500545"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/matrix-org/sydent/commit/4e1cfff53429c49c87d5c457a18ed435520044fc"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/matrix-org/sydent/compare/7c002cd...09278fb"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"url": "https://matrix.org/blog/2019/04/18/security-update-sydent-1-0-2/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://twitter.com/matrixdotorg/status/1118934335963500545"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2021-04-15 21:15
Modified
2024-11-21 06:01
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Sydent is a reference Matrix identity server. Sydent does not limit the size of requests it receives from HTTP clients. A malicious user could send an HTTP request with a very large body, leading to memory exhaustion and denial of service. Sydent also does not limit response size for requests it makes to remote Matrix homeservers. A malicious homeserver could return a very large response, again leading to memory exhaustion and denial of service. This affects any server which accepts registration requests from untrusted clients. This issue has been patched by releases 89071a1, 0523511, f56eee3. As a workaround request sizes can be limited in an HTTP reverse-proxy. There are no known workarounds for the problem with overlarge responses.
References
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:matrix:sydent:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C77C5A80-7302-49F8-8DAA-37B269691C9C",
"versionEndExcluding": "2.3.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Sydent is a reference Matrix identity server. Sydent does not limit the size of requests it receives from HTTP clients. A malicious user could send an HTTP request with a very large body, leading to memory exhaustion and denial of service. Sydent also does not limit response size for requests it makes to remote Matrix homeservers. A malicious homeserver could return a very large response, again leading to memory exhaustion and denial of service. This affects any server which accepts registration requests from untrusted clients. This issue has been patched by releases 89071a1, 0523511, f56eee3. As a workaround request sizes can be limited in an HTTP reverse-proxy. There are no known workarounds for the problem with overlarge responses."
},
{
"lang": "es",
"value": "Sydent es un servidor de identidad Matrix de referencia.\u0026#xa0;Sydent no limita el tama\u00f1o de las peticiones que recibe de los clientes HTTP.\u0026#xa0;Un usuario malicioso podr\u00eda enviar una petici\u00f3n HTTP con un cuerpo muy grande, conllevando al agotamiento de la memoria y una denegaci\u00f3n de servicio.\u0026#xa0;Sydent tampoco limita el tama\u00f1o de respuesta para las peticiones que realiza a los servidores dom\u00e9sticos de Matrix remotos.\u0026#xa0;Un servidor dom\u00e9stico malicioso podr\u00eda devolver una respuesta muy grande, lo que nuevamente conlleva al agotamiento de la memoria y a una denegaci\u00f3n de servicio.\u0026#xa0;Esto afecta a cualquier servidor que acepte peticiones de registro de clientes no confiables.\u0026#xa0;Este problema ha sido parcheado para las versiones 89071a1, 0523511, f56eee3.\u0026#xa0;Como soluci\u00f3n alternativa, los tama\u00f1os de las peticiones pueden ser limitados en un proxy inverso HTTP.\u0026#xa0;No se conocen soluciones alternativas para el problema de las respuestas demasiado grandes"
}
],
"id": "CVE-2021-29430",
"lastModified": "2024-11-21T06:01:04.847",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "security-advisories@github.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
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"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
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"impactScore": 3.6,
"source": "nvd@nist.gov",
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}
]
},
"published": "2021-04-15T21:15:17.413",
"references": [
{
"source": "security-advisories@github.com",
"tags": [
"Patch",
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],
"url": "https://github.com/matrix-org/sydent/commit/0523511d2fb40f2738f8a8549868f44b96e5dab7"
},
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},
{
"source": "security-advisories@github.com",
"tags": [
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"url": "https://github.com/matrix-org/sydent/releases/tag/v2.3.0"
},
{
"source": "security-advisories@github.com",
"tags": [
"Patch",
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],
"url": "https://github.com/matrix-org/sydent/security/advisories/GHSA-wmg4-8cp2-hpg9"
},
{
"source": "security-advisories@github.com",
"tags": [
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"url": "https://pypi.org/project/matrix-sydent/"
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{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"Third Party Advisory"
],
"url": "https://github.com/matrix-org/sydent/commit/0523511d2fb40f2738f8a8549868f44b96e5dab7"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://github.com/matrix-org/sydent/commit/89071a1a754c69a50deac89e6bb74002d4cda19d"
},
{
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],
"url": "https://github.com/matrix-org/sydent/commit/f56eee315b6c44fdd9f6aa785cc2ec744a594428"
},
{
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"url": "https://github.com/matrix-org/sydent/releases/tag/v2.3.0"
},
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],
"url": "https://pypi.org/project/matrix-sydent/"
}
],
"sourceIdentifier": "security-advisories@github.com",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
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"lang": "en",
"value": "CWE-20"
},
{
"lang": "en",
"value": "CWE-400"
}
],
"source": "security-advisories@github.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-770"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}