gsd-2021-33037
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer encoding header if the client declared it would only accept an HTTP/1.0 response; - Tomcat honoured the identify encoding; and - Tomcat did not ensure that, if present, the chunked encoding was the final encoding.
Aliases
Aliases
CVE-2021-33037


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-33037",
    "description": "Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer encoding header if the client declared it would only accept an HTTP/1.0 response; - Tomcat honoured the identify encoding; and - Tomcat did not ensure that, if present, the chunked encoding was the final encoding.",
    "id": "GSD-2021-33037",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-33037.html",
      "https://www.debian.org/security/2021/dsa-4952",
      "https://access.redhat.com/errata/RHSA-2021:4863",
      "https://access.redhat.com/errata/RHSA-2021:4861",
      "https://advisories.mageia.org/CVE-2021-33037.html",
      "https://ubuntu.com/security/CVE-2021-33037",
      "https://access.redhat.com/errata/RHSA-2022:1179",
      "https://alas.aws.amazon.com/cve/html/CVE-2021-33037.html",
      "https://access.redhat.com/errata/RHSA-2022:5532"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-33037"
      ],
      "details": "Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer encoding header if the client declared it would only accept an HTTP/1.0 response; - Tomcat honoured the identify encoding; and - Tomcat did not ensure that, if present, the chunked encoding was the final encoding.",
      "id": "GSD-2021-33037",
      "modified": "2023-12-13T01:23:18.178916Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@apache.org",
        "ID": "CVE-2021-33037",
        "STATE": "PUBLIC",
        "TITLE": "Incorrect Transfer-Encoding handling with HTTP/1.0"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Apache Tomcat",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_name": "Apache Tomcat 10",
                          "version_value": "10.0.0-M1 to 10.0.6"
                        },
                        {
                          "version_affected": "=",
                          "version_name": "Apache Tomcat 9",
                          "version_value": "9.0.0.M1 to 9.0.46"
                        },
                        {
                          "version_affected": "=",
                          "version_name": "Apache Tomcat 8",
                          "version_value": "8.5.0 to 8.5.66"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Apache Software Foundation"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "The Apache Tomcat Security Team would like to thank Bahruz Jabiyev, Steven Sprecher and Kaan Onarlioglu of NEU seclab for identifying and reporting this issue."
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer encoding header if the client declared it would only accept an HTTP/1.0 response; - Tomcat honoured the identify encoding; and - Tomcat did not ensure that, if present, the chunked encoding was the final encoding."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "impact": [
        {}
      ],
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-444 Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request Smuggling\u0027)"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://lists.apache.org/thread.html/r612a79269b0d5e5780c62dfd34286a8037232fec0bc6f1a7e60c9381%40%3Cannounce.tomcat.apache.org%3E",
            "refsource": "MISC",
            "url": "https://lists.apache.org/thread.html/r612a79269b0d5e5780c62dfd34286a8037232fec0bc6f1a7e60c9381%40%3Cannounce.tomcat.apache.org%3E"
          },
          {
            "name": "https://www.oracle.com//security-alerts/cpujul2021.html",
            "refsource": "MISC",
            "url": "https://www.oracle.com//security-alerts/cpujul2021.html"
          },
          {
            "name": "[tomee-commits] 20210728 [jira] [Created] (TOMEE-3778) Update embedded Tomcat to 9.0.48 or later to address CVE-2021-33037",
            "refsource": "MLIST",
            "url": "https://lists.apache.org/thread.html/r40f921575aee8d7d34e53182f862c45cbb8f3d898c9d4e865c2ec262@%3Ccommits.tomee.apache.org%3E"
          },
          {
            "name": "[tomee-commits] 20210728 [jira] [Commented] (TOMEE-3778) Update embedded Tomcat to 9.0.48 or later to address CVE-2021-33037",
            "refsource": "MLIST",
            "url": "https://lists.apache.org/thread.html/re01e7e93154e8bdf78a11a23f9686427bd3d51fc6e12c508645567b7@%3Ccommits.tomee.apache.org%3E"
          },
          {
            "name": "[debian-lts-announce] 20210805 [SECURITY] [DLA 2733-1] tomcat8 security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2021/08/msg00009.html"
          },
          {
            "name": "DSA-4952",
            "refsource": "DEBIAN",
            "url": "https://www.debian.org/security/2021/dsa-4952"
          },
          {
            "name": "[tomee-commits] 20210830 [jira] [Commented] (TOMEE-3778) Update embedded Tomcat to 9.0.48 or later to address CVE-2021-33037",
            "refsource": "MLIST",
            "url": "https://lists.apache.org/thread.html/rd0dfea39829bc0606c936a16f6fca338127c86c0a1083970b45ac8d2@%3Ccommits.tomee.apache.org%3E"
          },
          {
            "name": "[tomee-commits] 20210913 [jira] [Commented] (TOMEE-3778) Update embedded Tomcat to 9.0.48 or later to address CVE-2021-33037",
            "refsource": "MLIST",
            "url": "https://lists.apache.org/thread.html/r290aee55b72811fd19e75ac80f6143716c079170c5671b96932ed44b@%3Ccommits.tomee.apache.org%3E"
          },
          {
            "name": "[tomee-commits] 20210914 [jira] [Commented] (TOMEE-3778) Update embedded Tomcat to 9.0.48 or later to address CVE-2021-33037",
            "refsource": "MLIST",
            "url": "https://lists.apache.org/thread.html/rf1b54fd3f52f998ca4829159a88cc4c23d6cef5c6447d00948e75c97@%3Ccommits.tomee.apache.org%3E"
          },
          {
            "name": "[tomee-commits] 20210916 [jira] [Resolved] (TOMEE-3778) Update embedded Tomcat to 9.0.48 or later to address CVE-2021-33037",
            "refsource": "MLIST",
            "url": "https://lists.apache.org/thread.html/rc6ef52453bb996a98cb45442871a1db56b7c349939e45d829bf9ae37@%3Ccommits.tomee.apache.org%3E"
          },
          {
            "name": "https://www.oracle.com/security-alerts/cpuoct2021.html",
            "refsource": "MISC",
            "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20210827-0007/",
            "refsource": "CONFIRM",
            "url": "https://security.netapp.com/advisory/ntap-20210827-0007/"
          },
          {
            "name": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10366",
            "refsource": "CONFIRM",
            "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10366"
          },
          {
            "name": "https://www.oracle.com/security-alerts/cpujan2022.html",
            "refsource": "MISC",
            "url": "https://www.oracle.com/security-alerts/cpujan2022.html"
          },
          {
            "name": "https://www.oracle.com/security-alerts/cpuapr2022.html",
            "refsource": "MISC",
            "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
          },
          {
            "name": "GLSA-202208-34",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/202208-34"
          }
        ]
      },
      "source": {
        "discovery": "UNKNOWN"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "[10.0.0,10.0.6),[9.0.0,9.0.46),[8.5.0,8.5.66)",
          "affected_versions": "All versions starting from 10.0.0 before 10.0.6, all versions starting from 9.0.0 before 9.0.46, all versions starting from 8.5.0 before 8.5.66",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-444",
            "CWE-707",
            "CWE-937"
          ],
          "date": "2022-02-08",
          "description": "Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer encoding header if the client declared it would only accept an HTTP/1.0 response; - Tomcat honoured the identify encoding; and - Tomcat did not ensure that, if present, the chunked encoding was the final encoding.",
          "fixed_versions": [
            "10.0.6",
            "9.0.46",
            "8.5.66"
          ],
          "identifier": "CVE-2021-33037",
          "identifiers": [
            "GHSA-4vww-mc66-62m6",
            "CVE-2021-33037"
          ],
          "not_impacted": "",
          "package_slug": "maven/org.apache.tomcat.embed/tomcat-embed-core",
          "pubdate": "2021-08-13",
          "solution": "Upgrade to versions 10.0.6, 9.0.46, 8.5.66 or above.",
          "title": "Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request Smuggling\u0027)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-33037",
            "https://lists.apache.org/thread.html/r612a79269b0d5e5780c62dfd34286a8037232fec0bc6f1a7e60c9381%40%3Cannounce.tomcat.apache.org%3E",
            "https://www.oracle.com//security-alerts/cpujul2021.html",
            "https://lists.apache.org/thread.html/r40f921575aee8d7d34e53182f862c45cbb8f3d898c9d4e865c2ec262@%3Ccommits.tomee.apache.org%3E",
            "https://lists.apache.org/thread.html/rd0dfea39829bc0606c936a16f6fca338127c86c0a1083970b45ac8d2@%3Ccommits.tomee.apache.org%3E",
            "https://lists.apache.org/thread.html/re01e7e93154e8bdf78a11a23f9686427bd3d51fc6e12c508645567b7@%3Ccommits.tomee.apache.org%3E",
            "https://lists.debian.org/debian-lts-announce/2021/08/msg00009.html",
            "https://security.netapp.com/advisory/ntap-20210827-0007/",
            "https://www.debian.org/security/2021/dsa-4952",
            "https://lists.apache.org/thread.html/r290aee55b72811fd19e75ac80f6143716c079170c5671b96932ed44b@%3Ccommits.tomee.apache.org%3E",
            "https://lists.apache.org/thread.html/rf1b54fd3f52f998ca4829159a88cc4c23d6cef5c6447d00948e75c97@%3Ccommits.tomee.apache.org%3E",
            "https://lists.apache.org/thread.html/rc6ef52453bb996a98cb45442871a1db56b7c349939e45d829bf9ae37@%3Ccommits.tomee.apache.org%3E",
            "https://www.oracle.com/security-alerts/cpuoct2021.html",
            "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10366",
            "https://www.oracle.com/security-alerts/cpujan2022.html",
            "https://github.com/advisories/GHSA-4vww-mc66-62m6"
          ],
          "uuid": "245b6795-7e1d-47c2-b056-1d8fb8ce9d2d"
        },
        {
          "affected_range": "[8.5.0,8.5.68),[9.0.0,9.0.48),[10.0.0,10.0.7)",
          "affected_versions": "All versions starting from 8.5.0 before 8.5.68, all versions starting from 9.0.0 before 9.0.48, all versions starting from 10.0.0 before 10.0.7",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-444",
            "CWE-937"
          ],
          "date": "2022-10-27",
          "description": "Apache Tomcat does not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy.",
          "fixed_versions": [
            "8.5.68",
            "9.0.48",
            "10.0.7"
          ],
          "identifier": "CVE-2021-33037",
          "identifiers": [
            "CVE-2021-33037"
          ],
          "not_impacted": "All versions before 8.5.0, all versions starting from 8.5.68 before 9.0.0, all versions starting from 9.0.48 before 10.0.0, all versions starting from 10.0.7",
          "package_slug": "maven/org.apache.tomcat/tomcat-coyote",
          "pubdate": "2021-07-12",
          "solution": "Upgrade to versions 8.5.68, 9.0.48, 10.0.7 or above.",
          "title": "Inconsistent Interpretation of HTTP Requests (HTTP Request Smuggling)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-33037"
          ],
          "uuid": "22f283b2-5035-4b11-b1a5-a709f4213d96"
        },
        {
          "affected_range": "[10.0.0-M1,10.0.6),[9.0.0-M1,9.0.46),[8.5.0,8.5.66)",
          "affected_versions": "All versions starting from 10.0.0-m1 before 10.0.6, all versions starting from 9.0.0-m1 before 9.0.46, all versions starting from 8.5.0 before 8.5.66",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-444",
            "CWE-707",
            "CWE-937"
          ],
          "date": "2022-02-08",
          "description": "Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer encoding header if the client declared it would only accept an HTTP/1.0 response; - Tomcat honoured the identify encoding; and - Tomcat did not ensure that, if present, the chunked encoding was the final encoding.",
          "fixed_versions": [
            "10.0.6",
            "10.0.6",
            "10.0.6",
            "8.5.66"
          ],
          "identifier": "CVE-2021-33037",
          "identifiers": [
            "GHSA-4vww-mc66-62m6",
            "CVE-2021-33037"
          ],
          "not_impacted": "All versions before 10.0.0-m1, all versions starting from 10.0.6, all versions before 9.0.0-m1, all versions starting from 9.0.46, all versions before 8.5.0, all versions starting from 8.5.66",
          "package_slug": "maven/org.apache.tomcat/tomcat",
          "pubdate": "2021-08-13",
          "solution": "Upgrade to versions 10.0.6, 10.0.6, 10.0.6, 8.5.66 or above.",
          "title": "Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request Smuggling\u0027)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-33037",
            "https://lists.apache.org/thread.html/r612a79269b0d5e5780c62dfd34286a8037232fec0bc6f1a7e60c9381%40%3Cannounce.tomcat.apache.org%3E",
            "https://www.oracle.com//security-alerts/cpujul2021.html",
            "https://lists.apache.org/thread.html/r40f921575aee8d7d34e53182f862c45cbb8f3d898c9d4e865c2ec262@%3Ccommits.tomee.apache.org%3E",
            "https://lists.apache.org/thread.html/rd0dfea39829bc0606c936a16f6fca338127c86c0a1083970b45ac8d2@%3Ccommits.tomee.apache.org%3E",
            "https://lists.apache.org/thread.html/re01e7e93154e8bdf78a11a23f9686427bd3d51fc6e12c508645567b7@%3Ccommits.tomee.apache.org%3E",
            "https://lists.debian.org/debian-lts-announce/2021/08/msg00009.html",
            "https://security.netapp.com/advisory/ntap-20210827-0007/",
            "https://www.debian.org/security/2021/dsa-4952",
            "https://lists.apache.org/thread.html/r290aee55b72811fd19e75ac80f6143716c079170c5671b96932ed44b@%3Ccommits.tomee.apache.org%3E",
            "https://lists.apache.org/thread.html/rf1b54fd3f52f998ca4829159a88cc4c23d6cef5c6447d00948e75c97@%3Ccommits.tomee.apache.org%3E",
            "https://lists.apache.org/thread.html/rc6ef52453bb996a98cb45442871a1db56b7c349939e45d829bf9ae37@%3Ccommits.tomee.apache.org%3E",
            "https://www.oracle.com/security-alerts/cpuoct2021.html",
            "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10366",
            "https://www.oracle.com/security-alerts/cpujan2022.html",
            "https://github.com/advisories/GHSA-4vww-mc66-62m6"
          ],
          "uuid": "ab48dd89-cf40-48e3-bc65-75bf946d6d0f"
        },
        {
          "affected_range": "[8.0.6]",
          "affected_versions": "Version 8.0.6",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-444",
            "CWE-937"
          ],
          "date": "2022-10-27",
          "description": "Apache Tomcat does not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy.",
          "fixed_versions": [
            "8.0.7"
          ],
          "identifier": "CVE-2021-33037",
          "identifiers": [
            "CVE-2021-33037"
          ],
          "not_impacted": "All versions before 8.0.6, all versions after 8.0.6",
          "package_slug": "maven/org.apache.tomee/tomee-webapp",
          "pubdate": "2021-07-12",
          "solution": "Upgrade to version 8.0.7 or above.",
          "title": "Inconsistent Interpretation of HTTP Requests (HTTP Request Smuggling)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-33037"
          ],
          "uuid": "e6c3626e-f586-4dce-b7e9-79b9a15637c6"
        },
        {
          "affected_range": "[8.0.6]",
          "affected_versions": "Version 8.0.6",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-444",
            "CWE-937"
          ],
          "date": "2022-10-27",
          "description": "Apache Tomcat does not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy.",
          "fixed_versions": [
            "8.0.7"
          ],
          "identifier": "CVE-2021-33037",
          "identifiers": [
            "CVE-2021-33037"
          ],
          "not_impacted": "All versions before 8.0.6, all versions after 8.0.6",
          "package_slug": "maven/org.apache.tomee/tomee",
          "pubdate": "2021-07-12",
          "solution": "Upgrade to version 8.0.7 or above.",
          "title": "Inconsistent Interpretation of HTTP Requests (HTTP Request Smuggling)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-33037"
          ],
          "uuid": "f3ca1dbd-03f5-47ca-bcfe-6ce2644534a8"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "9.0.46",
                "versionStartExcluding": "9.0.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "10.0.6",
                "versionStartExcluding": "10.0.0",
                "vulnerable": true
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      "lastModifiedDate": "2022-10-27T01:08Z",
      "publishedDate": "2021-07-12T15:15Z"
    }
  }
}


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