ghsa-53hp-jpwq-2jgq
Vulnerability from github
Published
2022-02-09 23:01
Modified
2024-03-11 17:59
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
Uncontrolled Resource Consumption in Apache Tomcat
Details

A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become unresponsive.

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{
   affected: [
      {
         database_specific: {
            last_known_affected_version_range: "<= 10.0.0-M4",
         },
         package: {
            ecosystem: "Maven",
            name: "org.apache.tomcat:tomcat",
         },
         ranges: [
            {
               events: [
                  {
                     introduced: "10.0.0-M1",
                  },
                  {
                     fixed: "10.0.0-M5",
                  },
               ],
               type: "ECOSYSTEM",
            },
         ],
      },
      {
         package: {
            ecosystem: "Maven",
            name: "org.apache.tomcat:tomcat",
         },
         ranges: [
            {
               events: [
                  {
                     introduced: "9.0.0.M1",
                  },
                  {
                     fixed: "9.0.35",
                  },
               ],
               type: "ECOSYSTEM",
            },
         ],
      },
      {
         package: {
            ecosystem: "Maven",
            name: "org.apache.tomcat:tomcat",
         },
         ranges: [
            {
               events: [
                  {
                     introduced: "8.5.0",
                  },
                  {
                     fixed: "8.5.55",
                  },
               ],
               type: "ECOSYSTEM",
            },
         ],
      },
   ],
   aliases: [
      "CVE-2020-11996",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-400",
      ],
      github_reviewed: true,
      github_reviewed_at: "2021-04-12T19:42:18Z",
      nvd_published_at: "2020-06-26T17:15:00Z",
      severity: "HIGH",
   },
   details: "A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become unresponsive.",
   id: "GHSA-53hp-jpwq-2jgq",
   modified: "2024-03-11T17:59:25Z",
   published: "2022-02-09T23:01:22Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2020-11996",
      },
      {
         type: "WEB",
         url: "https://github.com/apache/tomcat/commit/9434a44d3449d620b1be70206819f8275b4a7509",
      },
      {
         type: "WEB",
         url: "https://github.com/apache/tomcat/commit/9a0231683a77e2957cea0fdee88b193b30b0c976",
      },
      {
         type: "WEB",
         url: "https://github.com/apache/tomcat/commit/c8acd2ab7371e39aeca7c306f3b5380f00afe552",
      },
      {
         type: "WEB",
         url: "https://lists.apache.org/thread.html/rb820f1a2a02bf07414be12c653c2ab5321fd87b9bf6c5e635c53ff4b@%3Cnotifications.ofbiz.apache.org%3E",
      },
      {
         type: "WEB",
         url: "https://lists.apache.org/thread.html/rc80b96b4b96618b2b7461cb90664a428cfd6605eea9f74e51b792542@%3Cnotifications.ofbiz.apache.org%3E",
      },
      {
         type: "WEB",
         url: "https://lists.apache.org/thread.html/rea65d6ef2e45dd1c45faae83922042732866c7b88fa109b76c83db52@%3Cnotifications.ofbiz.apache.org%3E",
      },
      {
         type: "WEB",
         url: "https://lists.apache.org/thread.html/ref0339792ac6dac1dba83c071a727ad72380899bde60f6aaad4031b9@%3Cnotifications.ofbiz.apache.org%3E",
      },
      {
         type: "WEB",
         url: "https://lists.debian.org/debian-lts-announce/2020/07/msg00010.html",
      },
      {
         type: "WEB",
         url: "https://security.netapp.com/advisory/ntap-20200709-0002",
      },
      {
         type: "WEB",
         url: "https://tomcat.apache.org/security-10.html",
      },
      {
         type: "WEB",
         url: "https://tomcat.apache.org/security-8.html",
      },
      {
         type: "WEB",
         url: "https://tomcat.apache.org/security-9.html",
      },
      {
         type: "WEB",
         url: "https://usn.ubuntu.com/4596-1",
      },
      {
         type: "WEB",
         url: "https://www.debian.org/security/2020/dsa-4727",
      },
      {
         type: "WEB",
         url: "https://www.oracle.com/security-alerts/cpujan2021.html",
      },
      {
         type: "WEB",
         url: "https://www.oracle.com/security-alerts/cpuoct2020.html",
      },
      {
         type: "WEB",
         url: "https://lists.apache.org/thread.html/rb4ee49ecc4c59620ffd5e66e84a17e526c2c3cfa95d0cd682d90d338@%3Cnotifications.ofbiz.apache.org%3E",
      },
      {
         type: "WEB",
         url: "https://lists.apache.org/thread.html/ra7092f7492569b39b04ec0decf52628ba86c51f15efb38f5853e2760@%3Cnotifications.ofbiz.apache.org%3E",
      },
      {
         type: "WEB",
         url: "https://lists.apache.org/thread.html/r9ad911fe49450ed9405827af0e7a74104041081ff91864b1f2546bbd@%3Cnotifications.ofbiz.apache.org%3E",
      },
      {
         type: "WEB",
         url: "https://lists.apache.org/thread.html/r93ca628ef3a4530dfe5ac49fddc795f0920a4b2a408b57a30926a42b@%3Ccommits.ofbiz.apache.org%3E",
      },
      {
         type: "WEB",
         url: "https://lists.apache.org/thread.html/r8f7484589454638af527182ae55ef5b628ba00c05c5b11887c922fb1@%3Cnotifications.ofbiz.apache.org%3E",
      },
      {
         type: "WEB",
         url: "https://lists.apache.org/thread.html/r8f3d416c193bc9384a8a7dd368623d441f5fcaff1057115008100561@%3Ccommits.ofbiz.apache.org%3E",
      },
      {
         type: "WEB",
         url: "https://lists.apache.org/thread.html/r74f5a8204efe574cbfcd95b2a16236fe95beb45c4d9fee3dc789dca9@%3Ccommits.ofbiz.apache.org%3E",
      },
      {
         type: "WEB",
         url: "https://lists.apache.org/thread.html/r6c29801370a36c1a5159679269777ad0c73276d3015b8bbefea66e5c@%3Cnotifications.ofbiz.apache.org%3E",
      },
      {
         type: "WEB",
         url: "https://lists.apache.org/thread.html/r5a4f80a6acc6607d61dae424b643b594c6188dd4e1eff04705c10db2@%3Cnotifications.ofbiz.apache.org%3E",
      },
      {
         type: "WEB",
         url: "https://lists.apache.org/thread.html/r5541ef6b6b68b49f76fc4c45695940116da2bcbe0312ef204a00a2e0%40%3Cannounce.tomcat.apache.org%3E",
      },
      {
         type: "WEB",
         url: "https://lists.apache.org/thread.html/r3ea96d8f36dd404acce83df8aeb22a9e807d6c13ca9c5dec72f872cd@%3Cnotifications.ofbiz.apache.org%3E",
      },
      {
         type: "WEB",
         url: "https://lists.apache.org/thread.html/r2529016c311ce9485e6f173446d469600fdfbb94dccadfcd9dfdac79@%3Cusers.tomcat.apache.org%3E",
      },
      {
         type: "PACKAGE",
         url: "https://github.com/apache/tomcat",
      },
      {
         type: "WEB",
         url: "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00064.html",
      },
      {
         type: "WEB",
         url: "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00072.html",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
         type: "CVSS_V3",
      },
   ],
   summary: "Uncontrolled Resource Consumption in Apache Tomcat",
}


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