Vulnerability-Lookup

CVE-2023-0657 (GCVE-0-2023-0657)

Vulnerability from cvelistv5 – Published: 2024-11-17 10:19 – Updated: 2024-11-17 16:18

Title

Keycloak: impersonation via logout token exchange

Summary

A flaw was found in Keycloak. This issue occurs due to improperly enforcing token types when validating signatures locally. This could allow an authenticated attacker to exchange a logout token for an access token and possibly gain access to data outside of enforced permissions.

Severity

3.4 (Low)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-17 16:18 UTC

CWE

CWE-273 - Improper Check for Dropped Privileges

Assigner

redhat redhat root

References

4 references

URL	Tags
https://access.redhat.com/errata/RHSA-2024:1867	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:1868	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2023-0657	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2166728	issue-trackingx_refsource_REDHAT

Impacted products

6 products

Vendor	Product	Version
		Affected: 0 , < 22.0.10 (semver) Affected: 23.0.0 , < 24.0.3 (semver)
Red Hat	Red Hat build of Keycloak 22	Unaffected: 22.0.10-1 , < * (rpm) cpe:/a:redhat:build_keycloak:22::el9
Red Hat	Red Hat build of Keycloak 22	Unaffected: 22-13 , < * (rpm) cpe:/a:redhat:build_keycloak:22::el9
Red Hat	Red Hat build of Keycloak 22	Unaffected: 22-16 , < * (rpm) cpe:/a:redhat:build_keycloak:22::el9
Red Hat	Red Hat build of Keycloak 22.0.10	cpe:/a:redhat:build_keycloak:22
Red Hat	Red Hat Single Sign-On 7	cpe:/a:redhat:red_hat_single_sign_on:7

Date Public

2024-04-16 00:00

Show details on NVD website

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              "cvssV3_1": {
                "attackComplexity": "HIGH",
                "attackVector": "ADJACENT_NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 3.4,
                "baseSeverity": "LOW",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N",
                "version": "3.1"
              },
              "format": "CVSS"
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-273",
                  "description": "Improper Check for Dropped Privileges",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2024-11-17T10:19:03.717Z",
            "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
            "shortName": "redhat"
          },
          "references": [
            {
              "name": "RHSA-2024:1867",
              "tags": [
                "vendor-advisory",
                "x_refsource_REDHAT"
              ],
              "url": "https://access.redhat.com/errata/RHSA-2024:1867"
            },
            {
              "name": "RHSA-2024:1868",
              "tags": [
                "vendor-advisory",
                "x_refsource_REDHAT"
              ],
              "url": "https://access.redhat.com/errata/RHSA-2024:1868"
            },
            {
              "tags": [
                "vdb-entry",
                "x_refsource_REDHAT"
              ],
              "url": "https://access.redhat.com/security/cve/CVE-2023-0657"
            },
            {
              "name": "RHBZ#2166728",
              "tags": [
                "issue-tracking",
                "x_refsource_REDHAT"
              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2166728"
            }
          ],
          "timeline": [
            {
              "lang": "en",
              "time": "2023-02-02T00:00:00.000Z",
              "value": "Reported to Red Hat."
            },
            {
              "lang": "en",
              "time": "2024-04-16T00:00:00.000Z",
              "value": "Made public."
            }
          ],
          "title": "Keycloak: impersonation via logout token exchange",
          "x_redhatCweChain": "CWE-273: Improper Check for Dropped Privileges"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "assignerShortName": "redhat",
        "cveId": "CVE-2023-0657",
        "datePublished": "2024-11-17T10:19:03.717Z",
        "dateReserved": "2023-02-02T18:49:19.373Z",
        "dateUpdated": "2024-11-17T16:18:51.475Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}

FKIE_CVE-2023-0657

Vulnerability from fkie_nvd - Published: 2024-11-17 11:15 - Updated: 2026-06-17 05:26

Severity

3.4 (Low) - CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N

Summary

References

	URL	Tags
	secalert@redhat.com	https://access.redhat.com/errata/RHSA-2024:1867
	secalert@redhat.com	https://access.redhat.com/errata/RHSA-2024:1868
	secalert@redhat.com	https://access.redhat.com/security/cve/CVE-2023-0657
	secalert@redhat.com	https://bugzilla.redhat.com/show_bug.cgi?id=2166728

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://github.com/keycloak/keycloak",
          "defaultStatus": "unaffected",
          "packageName": "keycloak",
          "versions": [
            {
              "lessThan": "22.0.10",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThan": "24.0.3",
              "status": "affected",
              "version": "23.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:build_keycloak:22::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhbk/keycloak-operator-bundle",
          "product": "Red Hat build of Keycloak 22",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "22.0.10-1",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:build_keycloak:22::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhbk/keycloak-rhel9",
          "product": "Red Hat build of Keycloak 22",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "22-13",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "cpes": [
            "cpe:/a:redhat:build_keycloak:22::el9"
          ],
          "defaultStatus": "affected",
          "packageName": "rhbk/keycloak-rhel9-operator",
          "product": "Red Hat build of Keycloak 22",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "22-16",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:build_keycloak:22"
          ],
          "defaultStatus": "unaffected",
          "packageName": "keycloak",
          "product": "Red Hat build of Keycloak 22.0.10",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:red_hat_single_sign_on:7"
          ],
          "defaultStatus": "affected",
          "packageName": "keycloak",
          "product": "Red Hat Single Sign-On 7",
          "vendor": "Red Hat"
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in Keycloak. This issue occurs due to improperly enforcing token types when validating signatures locally. This could allow an authenticated attacker to exchange a logout token for an access token and possibly gain access to data outside of enforced permissions."
    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 una falla en Keycloak. Este problema ocurre debido a la aplicaci\u00f3n incorrecta de tipos de tokens al validar firmas localmente. Esto podr\u00eda permitir que un atacante autenticado intercambie un token de cierre de sesi\u00f3n por un token de acceso y posiblemente obtenga acceso a datos fuera de los permisos aplicados."
    }
  ],
  "id": "CVE-2023-0657",
  "lastModified": "2026-06-17T05:26:01.560",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 3.4,
          "baseSeverity": "LOW",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 0.9,
        "impactScore": 2.5,
        "source": "secalert@redhat.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-0657",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-11-17T16:18:32.777591Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-11-17T11:15:05.300",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2024:1867"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2024:1868"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/security/cve/CVE-2023-0657"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2166728"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-273"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Secondary"
    }
  ]
}

GHSA-7FPJ-9HR8-28VH

Vulnerability from github – Published: 2024-04-17 18:25 – Updated: 2024-11-18 17:28

Summary

Keycloak vulnerable to impersonation via logout token exchange

Details

Keycloak was found to not properly enforce token types when validating signatures locally. An authenticated attacker could use this flaw to exchange a logout token for an access token and possibly gain access to data outside of enforced permissions.

Severity

3.4 (Low)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.keycloak:keycloak-services"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "22.0.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.keycloak:keycloak-services"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "23.0.0"
            },
            {
              "fixed": "24.0.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-0657"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-273",
      "CWE-284",
      "CWE-287",
      "CWE-290",
      "CWE-347"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-04-17T18:25:59Z",
    "nvd_published_at": "2024-11-17T11:15:05Z",
    "severity": "LOW"
  },
  "details": "Keycloak was found to not properly enforce token types when validating signatures locally. An authenticated attacker could use this flaw to exchange a logout token for an access token and possibly gain access to data outside of enforced permissions.\n\n",
  "id": "GHSA-7fpj-9hr8-28vh",
  "modified": "2024-11-18T17:28:39Z",
  "published": "2024-04-17T18:25:59Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/keycloak/keycloak/security/advisories/GHSA-7fpj-9hr8-28vh"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-0657"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:1867"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2024:1868"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/security/cve/CVE-2023-0657"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2166728"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/keycloak/keycloak"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Keycloak vulnerable to impersonation via logout token exchange"
}

GSD-2023-0657

Vulnerability from gsd - Updated: 2023-12-13 01:20

Details

** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.

Aliases

CVE-2023-0657

Aliases

CVE-2023-0657

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2023-0657",
    "id": "GSD-2023-0657"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-0657"
      ],
      "id": "GSD-2023-0657",
      "modified": "2023-12-13T01:20:23.150245Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2023-0657",
        "STATE": "RESERVED"
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
          }
        ]
      }
    }
  }
}

RHSA-2024:1867

Vulnerability from csaf_redhat - Published: 2024-04-16 20:26 - Updated: 2026-09-11 01:11

Summary

Red Hat Security Advisory: Red Hat build of Keycloak 22.0.10 enhancement and security update

Severity

Moderate

Scope

9 vulnerabilities in this advisory, including CVE-2023-0657.

CVE-2023-0657

3.4 (Low)


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

Fixed: 7 products

https://access.redhat.com/errata/RHSA-2024:1867

Open the full advisory

RHSA-2024:1868

Vulnerability from csaf_redhat - Published: 2024-04-16 20:26 - Updated: 2026-09-11 01:11

Summary

Red Hat Security Advisory: Red Hat build of Keycloak security update

Severity

Important

Scope

8 vulnerabilities in this advisory, including CVE-2023-0657.

CVE-2023-0657

3.4 (Low)


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

Fixed: 1 product

https://access.redhat.com/errata/RHSA-2024:1868

Open the full advisory

RHSA-2024_1867

Vulnerability from csaf_redhat - Published: 2024-04-16 20:26 - Updated: 2024-12-17 01:59

Summary

Red Hat Security Advisory: Red Hat build of Keycloak 22.0.10 enhancement and security update

Severity

Moderate

Scope

9 vulnerabilities in this advisory, including CVE-2023-0657.

CVE-2023-0657

3.4 (Low)


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

Fixed: 7 products

https://access.redhat.com/errata/RHSA-2024:1867

Open the full advisory

RHSA-2024_1868

Vulnerability from csaf_redhat - Published: 2024-04-16 20:26 - Updated: 2024-12-17 01:58

Summary

Red Hat Security Advisory: Red Hat build of Keycloak security update

Severity

Important

Scope

8 vulnerabilities in this advisory, including CVE-2023-0657.

CVE-2023-0657

3.4 (Low)


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

Fixed: 1 product

https://access.redhat.com/errata/RHSA-2024:1868

Open the full advisory

WID-SEC-W-2024-0914

Vulnerability from csaf_certbund - Published: 2024-04-16 22:00 - Updated: 2024-12-17 23:00

Summary

Red Hat Enterprise Linux (keycloak): Mehrere Schwachstellen

Severity

Mittel

Scope

9 vulnerabilities in this advisory, including CVE-2023-0657.

CVE-2023-0657

Es bestehen mehrere Schwachstellen in Red Hat Enterprise Linux. Diese Fehler bestehen im keycloak-Paket aufgrund verschiedener sicherheitsrelevanter Probleme, wie z.B. einer Log-Injection oder einer unsachgemäßen Validierung von URLs. Ein entfernter, anonymer Angreifer kann diese Schwachstellen ausnutzen, um Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, Cross-Site-Scripting (XSS)-Angriffe durchzuführen oder einen Denial-of-Service-Zustand zu verursachen. Einige dieser Schwachstellen erfordern eine Benutzerinteraktion, um erfolgreich ausgenutzt zu werden.

Known affected: 5 products

Open the full advisory

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2023-0657 (GCVE-0-2023-0657)

Tags

Sightings

Nomenclature

Related by attack behaviour