{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2023-44981", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2023-10-02T08:44:58.183Z", "datePublished": "2023-10-11T11:55:47.925Z", "dateUpdated": "2025-02-13T17:13:43.181Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected", "packageName": "org.apache.zookeeper:zookeeper", "product": "Apache ZooKeeper", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "3.9.1", "status": "affected", "version": "3.9.0", "versionType": "maven"}, {"lessThanOrEqual": "3.8.2", "status": "affected", "version": "3.8.0", "versionType": "maven"}, {"lessThanOrEqual": "3.7.1", "status": "affected", "version": "3.7.0", "versionType": "maven"}, {"lessThan": "3.7.0", "status": "affected", "version": "0", "versionType": "maven"}]}], "credits": [{"lang": "en", "type": "reporter", "value": "Damien Diederen <ddiederen@apache.org>"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Authorization Bypass Through User-Controlled Key vulnerability in Apache ZooKeeper. If SASL Quorum Peer authentication is enabled in ZooKeeper (<code>quorum.auth.enableSasl=</code><code>true)</code>, the authorization is done by verifying that the instance part in SASL authentication ID is listed in zoo.cfg server list. The instance part in SASL auth ID is optional and if it's missing, like 'eve@EXAMPLE.COM', the authorization check will be skipped.&nbsp;<span style=\"background-color: rgb(255, 255, 255);\">As a result an arbitrary endpoint could join the cluster and begin propagating counterfeit changes to the leader, essentially giving it complete read-write access to the data tree.&nbsp;<span style=\"background-color: rgb(255, 255, 255);\">Quorum Peer authentication is not enabled by default.</span><br><br></span><span style=\"background-color: var(--wht);\">Users are recommended to upgrade to version 3.9.1, 3.8.3, 3.7.2, which fixes the issue.<br><br></span><span style=\"background-color: rgb(255, 255, 255);\">Alternately ensure the ensemble election/quorum communication is protected by a firewall as this will mitigate the issue.<br><br><span style=\"background-color: rgb(255, 255, 255);\">See the documentation for more details on correct cluster administration.</span></span><br>"}], "value": "Authorization Bypass Through User-Controlled Key vulnerability in Apache ZooKeeper. 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The instance part in SASL auth ID is optional and if it's missing, like 'eve@EXAMPLE.COM', the authorization check will be skipped.\u00a0As a result an arbitrary endpoint could join the cluster and begin propagating counterfeit changes to the leader, essentially giving it complete read-write access to the data tree.\u00a0Quorum Peer authentication is not enabled by default.\n\nUsers are recommended to upgrade to version 3.9.1, 3.8.3, 3.7.2, which fixes the issue.\n\nAlternately ensure the ensemble election/quorum communication is protected by a firewall as this will mitigate the issue.\n\nSee the documentation for more details on correct cluster administration."}], "metrics": [{"other": {"content": {"text": "critical"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "description": "CWE-639 Authorization Bypass Through User-Controlled Key", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2024-06-21T19:08:15.553Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://lists.apache.org/thread/wf0yrk84dg1942z1o74kd8nycg6pgm5b"}, {"url": "http://www.openwall.com/lists/oss-security/2023/10/11/4"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00029.html"}, {"url": "https://www.debian.org/security/2023/dsa-5544"}, {"url": "https://security.netapp.com/advisory/ntap-20240621-0007/"}], "source": {"discovery": "INTERNAL"}, "title": "Apache ZooKeeper: Authorization bypass in SASL Quorum Peer Authentication", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T20:07:33.558Z"}, "title": "CVE Program Container", "references": [{"tags": ["vendor-advisory", "x_transferred"], "url": "https://lists.apache.org/thread/wf0yrk84dg1942z1o74kd8nycg6pgm5b"}, {"url": "http://www.openwall.com/lists/oss-security/2023/10/11/4", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00029.html", "tags": ["x_transferred"]}, {"url": "https://www.debian.org/security/2023/dsa-5544", "tags": ["x_transferred"]}, {"url": "https://security.netapp.com/advisory/ntap-20240621-0007/", "tags": ["x_transferred"]}]}]}, "dataVersion": "5.1"}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:zookeeper:*:*:*:*:*:*:*:*", "matchCriteriaId": "EBEA9984-BE82-43F4-9FD9-08B3F28E0CAA", "versionEndExcluding": "3.7.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:zookeeper:*:*:*:*:*:*:*:*", "matchCriteriaId": "58E6D5FE-5D28-44D2-9B6D-5CF5E79A7132", "versionEndExcluding": "3.8.3", "versionStartIncluding": "3.8.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:zookeeper:3.9.0:*:*:*:*:*:*:*", "matchCriteriaId": "99DE0202-11A5-44F7-99FA-58A71CB896AF", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*", "matchCriteriaId": "46D69DCC-AE4D-4EA5-861C-D60951444C6C", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Authorization Bypass Through User-Controlled Key vulnerability in Apache ZooKeeper. If SASL Quorum Peer authentication is enabled in ZooKeeper (quorum.auth.enableSasl=true), the authorization is done by verifying that the instance part in SASL authentication ID is listed in zoo.cfg server list. The instance part in SASL auth ID is optional and if it's missing, like 'eve@EXAMPLE.COM', the authorization check will be skipped.\u00a0As a result an arbitrary endpoint could join the cluster and begin propagating counterfeit changes to the leader, essentially giving it complete read-write access to the data tree.\u00a0Quorum Peer authentication is not enabled by default.\n\nUsers are recommended to upgrade to version 3.9.1, 3.8.3, 3.7.2, which fixes the issue.\n\nAlternately ensure the ensemble election/quorum communication is protected by a firewall as this will mitigate the issue.\n\nSee the documentation for more details on correct cluster administration."}, {"lang": "es", "value": "Vulnerabilidad de Omisi\u00f3n de Autorizaci\u00f3n a trav\u00e9s de Clave Controlada por el Usuario en Apache ZooKeeper. Si la autenticaci\u00f3n SASL Quorum Peer est\u00e1 habilitada en ZooKeeper (quorum.auth.enableSasl=true), la autorizaci\u00f3n se realiza verificando que la parte de la instancia en el ID de autenticaci\u00f3n SASL aparece en la lista de servidores zoo.cfg. La parte de la instancia en el ID de autenticaci\u00f3n de SASL es opcional y si falta, como 'eve@EXAMPLE.COM', se omitir\u00e1 la verificaci\u00f3n de autorizaci\u00f3n. Como resultado, un endpoint arbitrario podr\u00eda unirse al cl\u00faster y comenzar a propagar cambios falsos al l\u00edder, d\u00e1ndole esencialmente acceso completo de lectura y escritura al \u00e1rbol de datos. La autenticaci\u00f3n de pares de qu\u00f3rum no est\u00e1 habilitada de forma predeterminada. Se recomienda a los usuarios actualizar a la versi\u00f3n 3.9.1, 3.8.3, 3.7.2, que soluciona el problema. Como alternativa, aseg\u00farese de que la comunicaci\u00f3n conjunta entre election y qu\u00f3rum est\u00e9 protegida por un firewall, ya que esto mitigar\u00e1 el problema. Consulte la documentaci\u00f3n para obtener m\u00e1s detalles sobre la correcta administraci\u00f3n del cl\u00faster."}], "id": "CVE-2023-44981", "lastModified": "2025-02-13T18:15:28.627", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-10-11T12:15:11.760", "references": [{"source": "security@apache.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2023/10/11/4"}, {"source": "security@apache.org", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://lists.apache.org/thread/wf0yrk84dg1942z1o74kd8nycg6pgm5b"}, {"source": "security@apache.org", "tags": ["Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00029.html"}, {"source": "security@apache.org", "url": "https://security.netapp.com/advisory/ntap-20240621-0007/"}, {"source": "security@apache.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5544"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2023/10/11/4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://lists.apache.org/thread/wf0yrk84dg1942z1o74kd8nycg6pgm5b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00029.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20240621-0007/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5544"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "security@apache.org", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2024:0903", "cpe": "cpe:/a:redhat:amq_broker:7.10", "impact": "moderate", "package": "zookeeper", "product_name": "AMQ Broker 7.10.6", "release_date": "2024-02-20T00:00:00Z"}, {"advisory": "RHSA-2024:2945", "cpe": "cpe:/a:redhat:amq_broker:7.12", "impact": "moderate", "package": "zookeeper", "product_name": "Red Hat AMQ Broker 7", "release_date": "2024-05-21T00:00:00Z"}, {"advisory": "RHSA-2024:0705", "cpe": "cpe:/a:redhat:amq_broker:7.11", "impact": "moderate", "package": "zookeeper", "product_name": "Red Hat AMQ Broker 7.11.6", "release_date": "2024-02-06T00:00:00Z"}, {"advisory": "RHSA-2023:7678", "cpe": "cpe:/a:redhat:amq_streams:2", "impact": "moderate", "package": "zookeeper", "product_name": "Red Hat AMQ Streams 2.6.0", "release_date": "2023-12-06T00:00:00Z"}], "bugzilla": {"description": "zookeeper: Authorization Bypass in Apache ZooKeeper", "id": "2243436", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2243436"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "status": "verified"}, "cwe": "CWE-639", "details": ["Authorization Bypass Through User-Controlled Key vulnerability in Apache ZooKeeper. If SASL Quorum Peer authentication is enabled in ZooKeeper (quorum.auth.enableSasl=true), the authorization is done by verifying that the instance part in SASL authentication ID is listed in zoo.cfg server list. The instance part in SASL auth ID is optional and if it's missing, like 'eve@EXAMPLE.COM', the authorization check will be skipped.\u00a0As a result an arbitrary endpoint could join the cluster and begin propagating counterfeit changes to the leader, essentially giving it complete read-write access to the data tree.\u00a0Quorum Peer authentication is not enabled by default.\nUsers are recommended to upgrade to version 3.9.1, 3.8.3, 3.7.2, which fixes the issue.\nAlternately ensure the ensemble election/quorum communication is protected by a firewall as this will mitigate the issue.\nSee the documentation for more details on correct cluster administration.", "A flaw was found in Apache ZooKeeper. Authorization bypass through user-controlled key is available iff SASL Quorum Peer authentication is enabled in ZooKeeper via quorum.auth.enableSasl=true configuration. A malicious user could bypass the authentication controller by using a non-existing instance part in SASL authentication ID (which is optional), therefore, the server would skip this check and as a result, join the cluster and propagate information with complete read and write access."], "mitigation": {"lang": "en:us", "value": "According to Apache's document: Ensure the ensemble election/quorum communication is protected by a firewall as this will mitigate the issue."}, "name": "CVE-2023-44981", "package_state": [{"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform:6", "fix_state": "Out of support scope", "package_name": "zookeeper", "product_name": "Red Hat BPM Suite 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_brms_platform:7", "fix_state": "Not affected", "package_name": "zookeeper", "product_name": "Red Hat Decision Manager 7"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Not affected", "impact": "low", "package_name": "zookeeper", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:jboss_amq:6", "fix_state": "Out of support scope", "impact": "important", "package_name": "zookeeper", "product_name": "Red Hat JBoss A-MQ 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_brms_platform:6", "fix_state": "Out of support scope", "package_name": "zookeeper", "product_name": "Red Hat JBoss BRMS 6"}, {"cpe": "cpe:/a:redhat:jboss_data_virtualization:6", "fix_state": "Out of support scope", "package_name": "zookeeper", "product_name": "Red Hat JBoss Data Virtualization 6"}, {"cpe": "cpe:/a:redhat:jboss_fuse:6", "fix_state": "Out of support scope", "impact": "important", "package_name": "zookeeper", "product_name": "Red Hat JBoss Fuse 6"}, {"cpe": "cpe:/a:redhat:jboss_fuse_service_works:6", "fix_state": "Out of support scope", "package_name": "zookeeper", "product_name": "Red Hat JBoss Fuse Service Works 6"}, {"cpe": "cpe:/a:redhat:openshift_application_runtimes:1.0", "fix_state": "Out of support scope", "package_name": "zookeeper", "product_name": "Red Hat OpenShift Application Runtimes"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform:7", "fix_state": "Not affected", "package_name": "zookeeper", "product_name": "Red Hat Process Automation 7"}], "public_date": "2023-10-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-44981\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-44981\nhttps://lists.apache.org/thread/wf0yrk84dg1942z1o74kd8nycg6pgm5b"], "statement": "Red Hat AMQ 7 Broker and Red Hat AMQ Streams 2 use Zookeeper but do not use or enable the vulnerable functionality, Peer Authentication. They are affected at Moderate Impact by this flaw.\nRed Hat Fuse 7 uses Zookeeper but does not use any of its server capabilities and as such is not vulnerable, and so is affected at Low Impact by this flaw.\nRed Hat Process Automation Manager 7 and Red Hat Decision Manager 7 do not ship zookeeper, and so are not affected by this flaw.\nRed Hat Fuse 6 and AMQ 6 use Zookeeper but are not vulnerable to this flaw, and have been assessed as Important Impact and are as such out of security support scope for this flaw.\nRed Hat Business Process Manager Suite 6, Red Hat Business Rules Management Suite 6, Red Hat JBoss Data Virtualization 6, Red Hat OpenShift Application Runtime Vert-x, and Red Hat Fuse Service Works 6 are out of security support scope for this flaw.\nAs no Red Hat products are affected at Critical Impact by this flaw, its overall impact has been reduced to Important.", "threat_severity": "Important", "upstream_fix": "zookeeper 3.9.1, zookeeper 3.8.3, zookeeper 3.7.2"}