CVE-2023-6927 Keycloak: open redirect via "form_post.jwt" jarm response mode

2023-12-1822:59:07

CWE-601

redhat

www.cve.org

keycloak

authorization codes

tokens

open redirect vulnerability

jarm response mode

security patch

4.6 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.7%

JSON

A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode “form_post.jwt” which could be used to bypass the security patch implemented to address CVE-2023-6134.

CNA Affected

[
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Keycloak 22",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rhbk/keycloak-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "22-7",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:build_keycloak:22::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Keycloak 22.0.8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unaffected",
    "packageName": "keycloak-core",
    "cpes": [
      "cpe:/a:redhat:build_keycloak:22"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Single Sign-On 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unaffected",
    "packageName": "keycloak-core",
    "cpes": [
      "cpe:/a:redhat:red_hat_single_sign_on:7.6"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Single Sign-On 7.6 for RHEL 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rh-sso7-keycloak",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:18.0.11-3.redhat_00001.1.el7sso",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:red_hat_single_sign_on:7.6::el7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Single Sign-On 7.6 for RHEL 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rh-sso7-keycloak",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:18.0.12-1.redhat_00001.1.el7sso",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:red_hat_single_sign_on:7.6::el7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Single Sign-On 7.6 for RHEL 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rh-sso7-keycloak",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:18.0.11-3.redhat_00001.1.el8sso",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:red_hat_single_sign_on:7.6::el8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Single Sign-On 7.6 for RHEL 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rh-sso7-keycloak",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:18.0.12-1.redhat_00001.1.el8sso",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:red_hat_single_sign_on:7.6::el8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Single Sign-On 7.6 for RHEL 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rh-sso7-keycloak",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:18.0.11-3.redhat_00001.1.el9sso",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:red_hat_single_sign_on:7.6::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Single Sign-On 7.6 for RHEL 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rh-sso7-keycloak",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:18.0.12-1.redhat_00001.1.el9sso",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:red_hat_single_sign_on:7.6::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "RHEL-8 based Middleware Containers",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rh-sso-7/sso76-openshift-rhel8",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "7.6-39",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhosemc:1.0::el8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "RHEL-8 based Middleware Containers",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rh-sso-7/sso76-openshift-rhel8",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "7.6-41",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhosemc:1.0::el8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Single Sign-On 7.6.6",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unaffected",
    "packageName": "keycloak-core",
    "cpes": [
      "cpe:/a:redhat:red_hat_single_sign_on:7.6.6"
    ]
  }
]