fkie_cve-2019-10157
Vulnerability from fkie_nvd
Published
2019-06-12 14:29
Modified
2024-11-21 04:18
Summary
It was found that Keycloak's Node.js adapter before version 4.8.3 did not properly verify the web token received from the server in its backchannel logout . An attacker with local access could use this to construct a malicious web token setting an NBF parameter that could prevent user access indefinitely.
Impacted products
Vendor Product Version
redhat keycloak *
redhat single_sign-on *



{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "A5894EFD-35C9-43E9-B3EE-58709019135F",
                     versionEndExcluding: "4.8.3",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:redhat:single_sign-on:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "2C31CCB1-8234-47D6-9134-F0916AF16F79",
                     versionEndExcluding: "7.3.2",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "It was found that Keycloak's Node.js adapter before version 4.8.3 did not properly verify the web token received from the server in its backchannel logout . An attacker with local access could use this to construct a malicious web token setting an NBF parameter that could prevent user access indefinitely.",
      },
      {
         lang: "es",
         value: "Se encontró que el adaptador Node.js de Keycloak antes de la versión 4.8.3 no verificó correctamente el token web recibido del servidor en su cierre de sesión de backchannel. Un atacante con acceso local podría usar esto para construir un token web malicioso que establezca un parámetro NBF que podría impedir el acceso de los usuarios de forma indefinida.",
      },
   ],
   id: "CVE-2019-10157",
   lastModified: "2024-11-21T04:18:32.310",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "LOW",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "LOCAL",
               authentication: "NONE",
               availabilityImpact: "PARTIAL",
               baseScore: 2.1,
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               vectorString: "AV:L/AC:L/Au:N/C:N/I:N/A:P",
               version: "2.0",
            },
            exploitabilityScore: 3.9,
            impactScore: 2.9,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV30: [
         {
            cvssData: {
               attackComplexity: "HIGH",
               attackVector: "LOCAL",
               availabilityImpact: "HIGH",
               baseScore: 4.7,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
               version: "3.0",
            },
            exploitabilityScore: 1,
            impactScore: 3.6,
            source: "secalert@redhat.com",
            type: "Secondary",
         },
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "LOCAL",
               availabilityImpact: "HIGH",
               baseScore: 5.5,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
               version: "3.0",
            },
            exploitabilityScore: 1.8,
            impactScore: 3.6,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2019-06-12T14:29:02.963",
   references: [
      {
         source: "secalert@redhat.com",
         tags: [
            "Third Party Advisory",
            "VDB Entry",
         ],
         url: "http://www.securityfocus.com/bid/108734",
      },
      {
         source: "secalert@redhat.com",
         tags: [
            "Issue Tracking",
            "Vendor Advisory",
         ],
         url: "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10157",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
            "VDB Entry",
         ],
         url: "http://www.securityfocus.com/bid/108734",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Issue Tracking",
            "Vendor Advisory",
         ],
         url: "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10157",
      },
   ],
   sourceIdentifier: "secalert@redhat.com",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-345",
            },
         ],
         source: "secalert@redhat.com",
         type: "Secondary",
      },
      {
         description: [
            {
               lang: "en",
               value: "CWE-287",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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