github - ghsa-4pc7-vqv5-5r3v

ghsa-4pc7-vqv5-5r3v

Vulnerability from github

Published

2022-04-27 21:25

Modified

2022-12-01 22:10

Severity ?

8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Summary

ECP SAML binding bypasses authentication flows

Details

Description

A flaw was found in keycloak, where the default ECP binding flow allows other authentication flows to be bypassed. By exploiting this behavior an attacker can bypass the MFA authentication by sending a SOAP request with an AuthnRequest and Authorization header with the user's credentials. The highest threat from this vulnerability is to confidentiality and integrity.

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JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.keycloak:keycloak-saml-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "18.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-3827"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-04-27T21:25:59Z",
    "nvd_published_at": "2022-08-23T16:15:00Z",
    "severity": "HIGH"
  },
  "details": "### Description\nA flaw was found in keycloak, where the default ECP binding flow allows other authentication flows to be bypassed. By exploiting this behavior an attacker can bypass the MFA authentication by sending a SOAP request with an AuthnRequest and Authorization header with the user\u0027s credentials. The highest threat from this vulnerability is to confidentiality and integrity.\n",
  "id": "GHSA-4pc7-vqv5-5r3v",
  "modified": "2022-12-01T22:10:45Z",
  "published": "2022-04-27T21:25:59Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/security/advisories/GHSA-4pc7-vqv5-5r3v"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3827"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/commit/44000caaf5051d7f218d1ad79573bd3d175cad0d"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2021-3827"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2007512"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/keycloak/keycloak"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ECP SAML binding bypasses authentication flows"
}

cve-2021-3827

Vulnerability from cvelistv5

Published

2022-08-23 15:52

Modified

2024-08-03 17:09

Severity ?

Summary

A flaw was found in keycloak, where the default ECP binding flow allows other authentication flows to be bypassed. By exploiting this behavior, an attacker can bypass the MFA authentication by sending a SOAP request with an AuthnRequest and Authorization header with the user's credentials. The highest threat from this vulnerability is to confidentiality and integrity.

References

▼	URL	Tags
	https://github.com/keycloak/keycloak/security/advisories/GHSA-4pc7-vqv5-5r3v	x_refsource_MISC
	https://github.com/keycloak/keycloak/commit/44000caaf5051d7f218d1ad79573bd3d175cad0d	x_refsource_MISC
	https://bugzilla.redhat.com/show_bug.cgi?id=2007512	x_refsource_MISC
	https://access.redhat.com/security/cve/CVE-2021-3827	x_refsource_MISC

Impacted products

▼	Vendor	Product
	n/a	keycloak

Show details on NVD website

JSON

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        }
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    "dateReserved": "2021-09-24T00:00:00",
    "dateUpdated": "2024-08-03T17:09:09.546Z",
    "state": "PUBLISHED"
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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