CVE-2018-8023

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{"affected": [{"affectedData": [{"product": "Apache Mesos", "vendor": "Apache Software Foundation", "versions": [{"status": "affected", "version": "versions prior to 1.4.2"}, {"status": "affected", "version": "1.5.0, 1.5.1"}, {"status": "affected", "version": "1.6.0"}]}], "source": "security@apache.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:mesos:*:*:*:*:*:*:*:*", "matchCriteriaId": "0F03A293-7742-42DD-82DC-5494705BA89D", "versionEndExcluding": "1.4.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:mesos:1.5.0:*:*:*:*:*:*:*", "matchCriteriaId": "2FC738EB-E4FA-4027-B422-2D0A44FEB263", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:mesos:1.5.1:*:*:*:*:*:*:*", "matchCriteriaId": "1B4EF2EA-C659-406D-88DD-C8670D3B0881", "vulnerable": true}, {"criteria": "cpe:2.3:a:apache:mesos:1.6.0:*:*:*:*:*:*:*", "matchCriteriaId": "7234C4C8-24D3-4AF0-9A03-FD9DF944FB2C", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Apache Mesos can be configured to require authentication to call the Executor HTTP API using JSON Web Token (JWT). In Apache Mesos versions pre-1.4.2, 1.5.0, 1.5.1, 1.6.0 the comparison of the generated HMAC value against the provided signature in the JWT implementation used is vulnerable to a timing attack because instead of a constant-time string comparison routine a standard `==` operator has been used. A malicious actor can therefore abuse the timing difference of when the JWT validation function returns to reveal the correct HMAC value."}, {"lang": "es", "value": "Apache Mesos puede configurarse para que requiera autenticaci\u00f3n para llamar a la API HTTP Executor utilizando JSON Web Token (JWT). En las versiones de Apache Mesos anteriores a la 1.4.2, 1.5.0, 1.5.1 y 1.6.0, la comparaci\u00f3n del valor HMAC generado con la firma proporcionada en la implementaci\u00f3n de JWT utilizada es vulnerable a un ataque de sincronizaci\u00f3n porque, en lugar de una rutina de comparaci\u00f3n de cadenas de tiempo constante, se ha utilizado un operador est\u00e1ndar \"==\". Por lo tanto, un actor malicioso puede aprovecharse de la diferencia de tiempo de cuando retorna la funci\u00f3n de validaci\u00f3n de JWT para revelar el valor correcto de HMAC."}], "id": "CVE-2018-8023", "lastModified": "2026-06-17T02:04:06.860", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-09-21T13:29:01.140", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/9b9d3f6bd09f3ebd2284b82077033bdc71da550a1c4c010c2494acc3%40%3Cdev.mesos.apache.org%3E"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/r0dd7ff197b2e3bdd80a0326587ca3d0c22e10d1dba17c769d6da7d7a%40%3Cuser.flink.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/9b9d3f6bd09f3ebd2284b82077033bdc71da550a1c4c010c2494acc3%40%3Cdev.mesos.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/r0dd7ff197b2e3bdd80a0326587ca3d0c22e10d1dba17c769d6da7d7a%40%3Cuser.flink.apache.org%3E"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "mesos: Exposure of HMAC value via timing vulnerability in JWT validation", "id": "1632810", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1632810"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-385", "details": ["Apache Mesos can be configured to require authentication to call the Executor HTTP API using JSON Web Token (JWT). In Apache Mesos versions pre-1.4.2, 1.5.0, 1.5.1, 1.6.0 the comparison of the generated HMAC value against the provided signature in the JWT implementation used is vulnerable to a timing attack because instead of a constant-time string comparison routine a standard `==` operator has been used. A malicious actor can therefore abuse the timing difference of when the JWT validation function returns to reveal the correct HMAC value."], "name": "CVE-2018-8023", "package_state": [{"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Not affected", "package_name": "mesos", "product_name": "Red Hat Fuse 7"}], "public_date": "2018-09-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-8023\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-8023"], "threat_severity": "Moderate"}

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