Vulnerabilites related to linuxfoundation - dex
Vulnerability from fkie_nvd
Published
2021-05-28 11:15
Modified
2024-11-21 05:21
Severity ?
Summary
A vulnerability exists in the SAML connector of the github.com/dexidp/dex library used to process SAML Signature Validation. This flaw allows an attacker to bypass SAML authentication. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. This flaw affects dex versions before 2.27.0.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| secalert@redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=1907732 | Issue Tracking, Third Party Advisory | |
| secalert@redhat.com | https://github.com/dexidp/dex/security/advisories/GHSA-m9hp-7r99-94h5 | Patch, Third Party Advisory | |
| secalert@redhat.com | https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/ | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.redhat.com/show_bug.cgi?id=1907732 | Issue Tracking, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/dexidp/dex/security/advisories/GHSA-m9hp-7r99-94h5 | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/ | Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linuxfoundation | dex | * |
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"id": "CVE-2020-27847",
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Vulnerability from fkie_nvd
Published
2022-10-06 18:16
Modified
2024-11-21 07:17
Severity ?
9.3 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Summary
Dex is an identity service that uses OpenID Connect to drive authentication for other apps. Dex instances with public clients (and by extension, clients accepting tokens issued by those Dex instances) are affected by this vulnerability if they are running a version prior to 2.35.0. An attacker can exploit this vulnerability by making a victim navigate to a malicious website and guiding them through the OIDC flow, stealing the OAuth authorization code in the process. The authorization code then can be exchanged by the attacker for a token, gaining access to applications accepting that token. Version 2.35.0 has introduced a fix for this issue. Users are advised to upgrade. There are no known workarounds for this issue.
References
| ▶ | URL | Tags | |
|---|---|---|---|
| security-advisories@github.com | https://github.com/dexidp/dex/commit/49471b14c8080ddb034d4855841123d378b7a634 | Patch, Third Party Advisory | |
| security-advisories@github.com | https://github.com/dexidp/dex/security/advisories/GHSA-vh7g-p26c-j2cw | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/dexidp/dex/commit/49471b14c8080ddb034d4855841123d378b7a634 | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/dexidp/dex/security/advisories/GHSA-vh7g-p26c-j2cw | Exploit, Third Party Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linuxfoundation | dex | * |
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],
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"lastModified": "2024-11-21T07:17:49.183",
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}
Vulnerability from fkie_nvd
Published
2024-01-25 20:15
Modified
2024-11-21 08:58
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
Dex is an identity service that uses OpenID Connect to drive authentication for other apps. Dex 2.37.0 serves HTTPS with insecure TLS 1.0 and TLS 1.1. `cmd/dex/serve.go` line 425 seemingly sets TLS 1.2 as minimum version, but the whole `tlsConfig` is ignored after `TLS cert reloader` was introduced in v2.37.0. Configured cipher suites are not respected either. This issue is fixed in Dex 2.38.0.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linuxfoundation | dex | 2.37.0 |
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"value": "Dex es un servicio de identidad que utiliza OpenID Connect para impulsar la autenticaci\u00f3n de otras aplicaciones. Dex 2.37.0 sirve HTTPS con TLS 1.0 y TLS 1.1 inseguros. La l\u00ednea 425 de `cmd/dex/serve.go` aparentemente establece TLS 1.2 como versi\u00f3n m\u00ednima, pero el `tlsConfig` completo se ignora despu\u00e9s de que se introdujo el `TLS cert reloader` en v2.37.0. Tampoco se respetan los conjuntos de cifrado configurados. Este problema se solucion\u00f3 en Dex 2.38.0."
}
],
"id": "CVE-2024-23656",
"lastModified": "2024-11-21T08:58:06.240",
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"value": "CWE-326"
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"value": "CWE-757"
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"type": "Secondary"
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Vulnerability from fkie_nvd
Published
2020-12-28 20:15
Modified
2024-11-21 05:19
Severity ?
9.3 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
9.6 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
9.6 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Summary
Dex is a federated OpenID Connect provider written in Go. In Dex before version 2.27.0 there is a critical set of vulnerabilities which impacts users leveraging the SAML connector. The vulnerabilities enables potential signature bypass due to issues with XML encoding in the underlying Go library. The vulnerabilities have been addressed in version 2.27.0 by using the xml-roundtrip-validator from Mattermost (see related references).
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linuxfoundation | dex | * |
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"value": "Dex es un proveedor federado de OpenID Connect escrito en Go.\u0026#xa0;En Dex versi\u00f3n anterior a 2.27.0, presenta un conjunto cr\u00edtico de vulnerabilidades que impacta a usuarios que aprovechan el conector SAML.\u0026#xa0;Las vulnerabilidades permiten una posible omisi\u00f3n de firmas debido a problemas con la codificaci\u00f3n XML en la biblioteca Go subyacente.\u0026#xa0;Las vulnerabilidades han sido abordadas en la versi\u00f3n 2.27.0, mediante el uso de xml-roundtrip-validator de Mattermost (consulte las referencias relacionadas)"
}
],
"id": "CVE-2020-26290",
"lastModified": "2024-11-21T05:19:46.513",
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CVE-2020-27847 (GCVE-0-2020-27847)
Vulnerability from cvelistv5
Published
2021-05-28 10:20
Modified
2024-08-04 16:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-228 - ->CWE-290
Summary
A vulnerability exists in the SAML connector of the github.com/dexidp/dex library used to process SAML Signature Validation. This flaw allows an attacker to bypass SAML authentication. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. This flaw affects dex versions before 2.27.0.
References
| ► | URL | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | dexidp/dex |
Version: dex 2.27.0 |
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CVE-2024-23656 (GCVE-0-2024-23656)
Vulnerability from cvelistv5
Published
2024-01-25 19:45
Modified
2025-06-03 18:20
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
Dex is an identity service that uses OpenID Connect to drive authentication for other apps. Dex 2.37.0 serves HTTPS with insecure TLS 1.0 and TLS 1.1. `cmd/dex/serve.go` line 425 seemingly sets TLS 1.2 as minimum version, but the whole `tlsConfig` is ignored after `TLS cert reloader` was introduced in v2.37.0. Configured cipher suites are not respected either. This issue is fixed in Dex 2.38.0.
References
| ► | URL | Tags | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2020-26290 (GCVE-0-2020-26290)
Vulnerability from cvelistv5
Published
2020-12-28 19:15
Modified
2024-08-04 15:56
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-347 - Improper Verification of Cryptographic Signature
Summary
Dex is a federated OpenID Connect provider written in Go. In Dex before version 2.27.0 there is a critical set of vulnerabilities which impacts users leveraging the SAML connector. The vulnerabilities enables potential signature bypass due to issues with XML encoding in the underlying Go library. The vulnerabilities have been addressed in version 2.27.0 by using the xml-roundtrip-validator from Mattermost (see related references).
References
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CVE-2022-39222 (GCVE-0-2022-39222)
Vulnerability from cvelistv5
Published
2022-10-06 00:00
Modified
2025-04-22 17:20
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
Dex is an identity service that uses OpenID Connect to drive authentication for other apps. Dex instances with public clients (and by extension, clients accepting tokens issued by those Dex instances) are affected by this vulnerability if they are running a version prior to 2.35.0. An attacker can exploit this vulnerability by making a victim navigate to a malicious website and guiding them through the OIDC flow, stealing the OAuth authorization code in the process. The authorization code then can be exchanged by the attacker for a token, gaining access to applications accepting that token. Version 2.35.0 has introduced a fix for this issue. Users are advised to upgrade. There are no known workarounds for this issue.
References
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