{"containers": {"cna": {"affected": [{"product": "Apache Pulsar", "vendor": "Apache Software Foundation", "versions": [{"status": "affected", "version": "2.10.0"}, {"lessThanOrEqual": "2.7.4", "status": "affected", "version": "2.7", "versionType": "custom"}, {"lessThanOrEqual": "2.8.3", "status": "affected", "version": "2.8", "versionType": "custom"}, {"lessThanOrEqual": "2.9.2", "status": "affected", "version": "2.9", "versionType": "custom"}, {"lessThanOrEqual": "2.6.4", "status": "affected", "version": "2.6 and earlier", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "This issue was discovered by Michael Marshall of DataStax."}], "descriptions": [{"lang": "en", "value": "Apache Pulsar Brokers and Proxies create an internal Pulsar Admin Client that does not verify peer TLS certificates, even when tlsAllowInsecureConnection is disabled via configuration. 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This issue affects Apache Pulsar Broker and Proxy versions 2.7.0 to 2.7.4; 2.8.0 to 2.8.3; 2.9.0 to 2.9.2; 2.10.0; 2.6.4 and earlier."}], "metrics": [{"other": {"content": {"other": "high"}, "type": "unknown"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-295", "description": "CWE-295 Improper Certificate Validation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-09-23T09:25:15", "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://lists.apache.org/thread/42v5rsxj36r3nhfxhmhb2x12r5jmvx3x"}], "source": {"discovery": "UNKNOWN"}, "title": "Disabled Certificate Validation makes Broker, Proxy Admin Clients vulnerable to MITM attack ", "workarounds": [{"lang": "en", "value": "Any users running affected versions of the Pulsar Broker or Pulsar Proxy should rotate static authentication data vulnerable to man in the middle attacks used by these applications, including tokens and passwords.\n\n2.7 users should upgrade Pulsar Brokers and Proxies to 2.7.5, and rotate vulnerable authentication data, including tokens and passwords.\n2.8 users should upgrade Pulsar Brokers and Proxies to 2.8.4, and rotate vulnerable authentication data, including tokens and passwords.\n2.9 users should upgrade Pulsar Brokers and Proxies to 2.9.3, and rotate vulnerable authentication data, including tokens and passwords.\n2.10 users should upgrade Pulsar Brokers and Proxies to 2.10.1, and rotate vulnerable authentication data, including tokens and passwords.\nAny users running Pulsar Brokers and Proxies for 2.6 and earlier should upgrade to one of the above patched versions, and rotate vulnerable authentication data, including tokens and passwords.\n\nIn addition to upgrading, it is also necessary to enable hostname verification to prevent man in the middle attacks. 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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:pulsar:*:*:*:*:*:*:*:*", "matchCriteriaId": "1329962E-1B1C-42B1-B3E3-B647B7D2749E", "versionEndExcluding": "2.7.5", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:pulsar:*:*:*:*:*:*:*:*", "matchCriteriaId": "02284ABD-BFD3-4E2A-850A-CC12A7996E97", "versionEndExcluding": "2.8.4", "versionStartIncluding": "2.8.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:pulsar:*:*:*:*:*:*:*:*", "matchCriteriaId": "C1A2D87A-55FC-42C0-BB48-E2B5B07EE1CE", "versionEndExcluding": "2.9.3", "versionStartIncluding": "2.9.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:pulsar:2.10.0:-:*:*:*:*:*:*", "matchCriteriaId": "C6E2F16D-CCDD-4DC8-9745-09EA2CD4D4DB", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Apache Pulsar Brokers and Proxies create an internal Pulsar Admin Client that does not verify peer TLS certificates, even when tlsAllowInsecureConnection is disabled via configuration. The Pulsar Admin Client's intra-cluster and geo-replication HTTPS connections are vulnerable to man in the middle attacks, which could leak authentication data, configuration data, and any other data sent by these clients. An attacker can only take advantage of this vulnerability by taking control of a machine 'between' the client and the server. The attacker must then actively manipulate traffic to perform the attack. This issue affects Apache Pulsar Broker and Proxy versions 2.7.0 to 2.7.4; 2.8.0 to 2.8.3; 2.9.0 to 2.9.2; 2.10.0; 2.6.4 and earlier."}, {"lang": "es", "value": "Apache Pulsar Brokers and Proxies crean un Pulsar Admin Client interno que no verifica los certificados TLS de los compa\u00f1eros, incluso cuando tlsAllowInsecureConnection est\u00e1 deshabilitado por medio de la configuraci\u00f3n. Las conexiones HTTPS intra-cl\u00faster y de geo-replicaci\u00f3n del Pulsar Admin Client son vulnerables a ataques de tipo man in the middle, que podr\u00edan filtrar datos de autenticaci\u00f3n, datos de configuraci\u00f3n y cualquier otro dato enviado por estos clientes. Un atacante s\u00f3lo puede aprovecharse de esta vulnerabilidad al tomar el control de una m\u00e1quina \"entre\" el cliente y el servidor. El atacante debe entonces manipular activamente el tr\u00e1fico para llevar a cabo el ataque. Este problema afecta a Apache Pulsar Broker y Proxy versiones 2.7.0 a 2.7.4; 2.8.0 a 2.8.3; 2.9.0 a 2.9.2; 2.10.0; 2.6.4 y anteriores."}], "id": "CVE-2022-33683", "lastModified": "2022-09-27T13:22:32.023", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-09-23T10:15:10.353", "references": [{"source": "security@apache.org", "tags": ["Mailing List", "Vendor Advisory"], "url": "https://lists.apache.org/thread/42v5rsxj36r3nhfxhmhb2x12r5jmvx3x"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-295"}], "source": "security@apache.org", "type": "Secondary"}]}

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