{"id":"CVE-2018-8023","state":"PUBLISHED","title":"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 compa","description":"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.","publishedAt":"2018-09-21T13:00:00.000Z","updatedAt":"2024-09-16T16:58:25.082Z","severity":null,"assigner":"apache","products":["Apache Software Foundation Apache Mesos"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Mesos","versions":[{"version":"versions prior to 1.4.2","status":"affected"},{"version":"1.5.0, 1.5.1","status":"affected"},{"version":"1.6.0","status":"affected"}]}],"references":["https://lists.apache.org/thread.html/9b9d3f6bd09f3ebd2284b82077033bdc71da550a1c4c010c2494acc3%40%3Cdev.mesos.apache.org%3E","https://lists.apache.org/thread.html/r0dd7ff197b2e3bdd80a0326587ca3d0c22e10d1dba17c769d6da7d7a%40%3Cuser.flink.apache.org%3E"],"weaknesses":[],"ingestedAt":"2026-10-29T19:45:03.125Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2018/8xxx/CVE-2018-8023.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2018-8023","state":"PUBLISHED","datePublished":"2018-09-21T13:00:00.000Z","dateUpdated":"2024-09-16T16:58:25.082Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2018-03-09T00:00:00.000Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Mesos","versions":[{"version":"versions prior to 1.4.2","status":"affected"},{"version":"1.5.0, 1.5.1","status":"affected"},{"version":"1.6.0","status":"affected"}]}],"references":[{"url":"https://lists.apache.org/thread.html/9b9d3f6bd09f3ebd2284b82077033bdc71da550a1c4c010c2494acc3%40%3Cdev.mesos.apache.org%3E","name":"[dev] 20180921 CVE-2018-8023: A remote attacker can exploit a vulnerability in the JWT implementation to gain unauthenticated access to Mesos Executor HTTP API.","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/r0dd7ff197b2e3bdd80a0326587ca3d0c22e10d1dba17c769d6da7d7a%40%3Cuser.flink.apache.org%3E","name":"[flink-user] 20201022 Dependency vulnerabilities with flink 1.11.1 version","tags":["mailing-list","x_refsource_MLIST"]}],"problemTypes":[{"descriptions":[{"description":"Information Disclosure","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"apache","dateUpdated":"2020-10-22T12:06:43.000Z","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09"},"datePublic":"2018-09-21T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security@apache.org","DATE_PUBLIC":"2018-09-21T00:00:00","ID":"CVE-2018-8023","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Apache Mesos","version":{"version_data":[{"version_value":"versions prior to 1.4.2"},{"version_value":"1.5.0, 1.5.1"},{"version_value":"1.6.0"}]}}]},"vendor_name":"Apache Software Foundation"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Information Disclosure"}]}]},"references":{"reference_data":[{"name":"[dev] 20180921 CVE-2018-8023: A remote attacker can exploit a vulnerability in the JWT implementation to gain unauthenticated access to Mesos Executor HTTP API.","refsource":"MLIST","url":"https://lists.apache.org/thread.html/9b9d3f6bd09f3ebd2284b82077033bdc71da550a1c4c010c2494acc3@%3Cdev.mesos.apache.org%3E"},{"name":"[flink-user] 20201022 Dependency vulnerabilities with flink 1.11.1 version","refsource":"MLIST","url":"https://lists.apache.org/thread.html/r0dd7ff197b2e3bdd80a0326587ca3d0c22e10d1dba17c769d6da7d7a@%3Cuser.flink.apache.org%3E"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.apache.org/thread.html/9b9d3f6bd09f3ebd2284b82077033bdc71da550a1c4c010c2494acc3%40%3Cdev.mesos.apache.org%3E","name":"[dev] 20180921 CVE-2018-8023: A remote attacker can exploit a vulnerability in the JWT implementation to gain unauthenticated access to Mesos Executor HTTP API.","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://lists.apache.org/thread.html/r0dd7ff197b2e3bdd80a0326587ca3d0c22e10d1dba17c769d6da7d7a%40%3Cuser.flink.apache.org%3E","name":"[flink-user] 20201022 Dependency vulnerabilities with flink 1.11.1 version","tags":["mailing-list","x_refsource_MLIST","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T06:46:12.158Z"}}]}}}