gsd-2021-20220
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A flaw was found in Undertow. A regression in the fix for CVE-2020-10687 was found. HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own. The highest threat from this vulnerability is to data confidentiality and integrity.
Aliases
Aliases
CVE-2021-20220


To clipboard 

{
   GSD: {
      alias: "CVE-2021-20220",
      description: "A flaw was found in Undertow. A regression in the fix for CVE-2020-10687 was found. HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own. The highest threat from this vulnerability is to data confidentiality and integrity.",
      id: "GSD-2021-20220",
      references: [
         "https://access.redhat.com/errata/RHSA-2021:2755",
         "https://access.redhat.com/errata/RHSA-2021:2210",
         "https://access.redhat.com/errata/RHSA-2021:0974",
         "https://access.redhat.com/errata/RHSA-2021:0885",
         "https://access.redhat.com/errata/RHSA-2021:0874",
         "https://access.redhat.com/errata/RHSA-2021:0873",
         "https://access.redhat.com/errata/RHSA-2021:0872",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2021-20220",
         ],
         details: "A flaw was found in Undertow. A regression in the fix for CVE-2020-10687 was found. HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own. The highest threat from this vulnerability is to data confidentiality and integrity.",
         id: "GSD-2021-20220",
         modified: "2023-12-13T01:23:12.682943Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "secalert@redhat.com",
            ID: "CVE-2021-20220",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "undertow",
                              version: {
                                 version_data: [
                                    {
                                       version_value: "Undertow 2.2.0.Final, Undertow 2.1.6.Final, Undertow 2.0.34.Final",
                                    },
                                 ],
                              },
                           },
                        ],
                     },
                     vendor_name: "n/a",
                  },
               ],
            },
         },
         data_format: "MITRE",
         data_type: "CVE",
         data_version: "4.0",
         description: {
            description_data: [
               {
                  lang: "eng",
                  value: "A flaw was found in Undertow. A regression in the fix for CVE-2020-10687 was found. HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own. The highest threat from this vulnerability is to data confidentiality and integrity.",
               },
            ],
         },
         problemtype: {
            problemtype_data: [
               {
                  description: [
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                        lang: "eng",
                        value: "CWE-444",
                     },
                  ],
               },
            ],
         },
         references: {
            reference_data: [
               {
                  name: "https://bugzilla.redhat.com/show_bug.cgi?id=1923133",
                  refsource: "MISC",
                  url: "https://bugzilla.redhat.com/show_bug.cgi?id=1923133",
               },
               {
                  name: "https://security.netapp.com/advisory/ntap-20220210-0013/",
                  refsource: "CONFIRM",
                  url: "https://security.netapp.com/advisory/ntap-20220210-0013/",
               },
            ],
         },
      },
      "gitlab.com": {
         advisories: [
            {
               affected_range: "(,2.0.34),[2.1.0,2.1.6)",
               affected_versions: "All versions before 2.0.34, all versions starting from 2.1.0 before 2.1.6",
               cvss_v2: "AV:N/AC:M/Au:N/C:P/I:P/A:N",
               cvss_v3: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
               cwe_ids: [
                  "CWE-1035",
                  "CWE-444",
                  "CWE-937",
               ],
               date: "2022-02-22",
               description: "A regression in the fix for CVE-2020-10687 was found. HTTP request smuggling related to CVE-2017-2666 is possible against `HTTP/1.x` and `HTTP/2` due to permitting invalid characters in an HTTP request.",
               fixed_versions: [
                  "2.0.34.Final",
                  "2.1.6.Final",
               ],
               identifier: "CVE-2021-20220",
               identifiers: [
                  "CVE-2021-20220",
               ],
               not_impacted: "All versions starting from 2.0.34 before 2.1.0, all versions starting from 2.1.6",
               package_slug: "maven/io.undertow/undertow-core",
               pubdate: "2021-02-23",
               solution: "Upgrade to versions 2.0.34.Final, 2.1.6.Final or above.",
               title: "Inconsistent Interpretation of HTTP Requests (HTTP Request Smuggling)",
               urls: [
                  "https://nvd.nist.gov/vuln/detail/CVE-2021-20220",
                  "https://bugzilla.redhat.com/show_bug.cgi?id=1923133",
               ],
               uuid: "d3b5b2b2-957e-429a-a584-c5d80944d630",
            },
         ],
      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
            nodes: [
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndExcluding: "2.0.34",
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndExcluding: "2.1.6",
                        versionStartIncluding: "2.1.0",
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:linux:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:windows:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
            ],
         },
         cve: {
            CVE_data_meta: {
               ASSIGNER: "secalert@redhat.com",
               ID: "CVE-2021-20220",
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "en",
                     value: "A flaw was found in Undertow. A regression in the fix for CVE-2020-10687 was found. HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own. The highest threat from this vulnerability is to data confidentiality and integrity.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "en",
                           value: "CWE-444",
                        },
                        {
                           lang: "en",
                           value: "CWE-444",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://bugzilla.redhat.com/show_bug.cgi?id=1923133",
                     refsource: "MISC",
                     tags: [
                        "Issue Tracking",
                        "Vendor Advisory",
                     ],
                     url: "https://bugzilla.redhat.com/show_bug.cgi?id=1923133",
                  },
                  {
                     name: "https://security.netapp.com/advisory/ntap-20220210-0013/",
                     refsource: "CONFIRM",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://security.netapp.com/advisory/ntap-20220210-0013/",
                  },
               ],
            },
         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  accessComplexity: "MEDIUM",
                  accessVector: "NETWORK",
                  authentication: "NONE",
                  availabilityImpact: "NONE",
                  baseScore: 5.8,
                  confidentialityImpact: "PARTIAL",
                  integrityImpact: "PARTIAL",
                  vectorString: "AV:N/AC:M/Au:N/C:P/I:P/A:N",
                  version: "2.0",
               },
               exploitabilityScore: 8.6,
               impactScore: 4.9,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "MEDIUM",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "HIGH",
                  attackVector: "NETWORK",
                  availabilityImpact: "NONE",
                  baseScore: 4.8,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "LOW",
                  integrityImpact: "LOW",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
                  version: "3.1",
               },
               exploitabilityScore: 2.2,
               impactScore: 2.5,
            },
         },
         lastModifiedDate: "2022-02-22T14:53Z",
         publishedDate: "2021-02-23T18:15Z",
      },
   },
}


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