github - ghsa-w97f-w3hq-36g2

GHSA-W97F-W3HQ-36G2

Vulnerability from github – Published: 2024-09-10 18:30 – Updated: 2024-11-18 16:27

Summary

Keycloak Denial of Service vulnerability

Details

A denial of service vulnerability was found in keycloak where the amount of attributes per object is not limited, an attacker by sending repeated HTTP requests could cause a resource exhaustion when the application send back rows with long attribute values. The issue is fixed in Keycloak 24 with the introduction of the User Profile feature.

Severity ?

6.5 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

7.1 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

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JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.keycloak:keycloak-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "24.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-6841"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-231"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-09-10T19:41:54Z",
    "nvd_published_at": "2024-09-10T17:15:15Z",
    "severity": "HIGH"
  },
  "details": "A denial of service vulnerability was found in keycloak where the amount of attributes per object is not limited, an attacker by sending repeated HTTP requests could cause a resource exhaustion when the application send back rows with long attribute values. The issue is fixed in Keycloak 24 with the introduction of the User Profile feature.",
  "id": "GHSA-w97f-w3hq-36g2",
  "modified": "2024-11-18T16:27:11Z",
  "published": "2024-09-10T18:30:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-6841"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/issues/32837"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2023-6841"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2254714"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/keycloak/keycloak"
    },
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/releases/tag/24.0.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Keycloak Denial of Service vulnerability"
}

CVE-2023-6841 (GCVE-0-2023-6841)

Vulnerability from cvelistv5 – Published: 2024-09-10 16:15 – Updated: 2025-11-08 07:10

Summary

A denial of service vulnerability was found in keycloak where the amount of attributes per object is not limited,an attacker by sending repeated HTTP requests could cause a resource exhaustion when the application send back rows with long attribute values.

Severity ?

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-231 - Improper Handling of Extra Values

Assigner

redhat

References

URL

Tags

	https://access.redhat.com/security/cve/CVE-2023-6841	vdb-entryx_refsource_REDHAT
	https://bugzilla.redhat.com/show_bug.cgi?id=2254714	issue-trackingx_refsource_REDHAT

Impacted products

Vendor

Product

Version

Affected: 0 , < 24.0.0 (semver)

Red Hat	Red Hat build of Quarkus	cpe:/a:redhat:openshift_application_runtimes:1.0
Red Hat	Red Hat Fuse 7	cpe:/a:redhat:jboss_fuse:7
Red Hat	Red Hat Mobile Application Platform 4	cpe:/a:redhat:mobile_application_platform:4
Red Hat	Red Hat OpenShift Application Runtimes	cpe:/a:redhat:openshift_application_runtimes:1.0
Red Hat	Red Hat Process Automation 7	cpe:/a:redhat:jboss_enterprise_bpms_platform:7
Red Hat	Red Hat Single Sign-On 7	cpe:/a:redhat:red_hat_single_sign_on:7
Red Hat	Red Hat support for Spring Boot	cpe:/a:redhat:openshift_application_runtimes:1.0

Show details on NVD website

JSON

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                  },
                  {
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-01T20:20:35.831984Z",
                "version": "2.0.3"
              },
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          "defaultStatus": "unaffected",
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          "cpes": [
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        },
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          "cpes": [
            "cpe:/a:redhat:red_hat_single_sign_on:7"
          ],
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          "packageName": "rh-sso7-keycloak",
          "product": "Red Hat Single Sign-On 7",
          "vendor": "Red Hat"
        },
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            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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            "vdb-entry",
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      "workarounds": [
        {
          "lang": "en",
          "value": "This CVE is mitigated by the \u0027User Profile\u0027 functionality, which was introduced in Keycloak 24. This feature introduces additional validation which prevents this vulnerability from being exploited."
        }
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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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-W97F-W3HQ-36G2

CVE-2023-6841 (GCVE-0-2023-6841)

Tags

Sightings

Nomenclature