gsd-2021-30641
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'
Aliases
Aliases
CVE-2021-30641


To clipboard 

{
   GSD: {
      alias: "CVE-2021-30641",
      description: "Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'",
      id: "GSD-2021-30641",
      references: [
         "https://www.suse.com/security/cve/CVE-2021-30641.html",
         "https://www.debian.org/security/2021/dsa-4937",
         "https://access.redhat.com/errata/RHSA-2021:4614",
         "https://access.redhat.com/errata/RHSA-2021:4613",
         "https://access.redhat.com/errata/RHSA-2021:4257",
         "https://ubuntu.com/security/CVE-2021-30641",
         "https://advisories.mageia.org/CVE-2021-30641.html",
         "https://security.archlinux.org/CVE-2021-30641",
         "https://alas.aws.amazon.com/cve/html/CVE-2021-30641.html",
         "https://linux.oracle.com/cve/CVE-2021-30641.html",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2021-30641",
         ],
         details: "Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'",
         id: "GSD-2021-30641",
         modified: "2023-12-13T01:23:30.679160Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "security@apache.org",
            ID: "CVE-2021-30641",
            STATE: "PUBLIC",
            TITLE: "Unexpected URL matching with 'MergeSlashes OFF'",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "Apache HTTP Server",
                              version: {
                                 version_data: [
                                    {
                                       version_affected: "=",
                                       version_name: "2.4",
                                       version_value: "2.4.46",
                                    },
                                    {
                                       version_affected: "=",
                                       version_name: "2.4",
                                       version_value: "2.4.43",
                                    },
                                    {
                                       version_affected: "=",
                                       version_name: "2.4",
                                       version_value: "2.4.41",
                                    },
                                    {
                                       version_affected: "=",
                                       version_name: "2.4",
                                       version_value: "2.4.39",
                                    },
                                 ],
                              },
                           },
                        ],
                     },
                     vendor_name: "Apache Software Foundation",
                  },
               ],
            },
         },
         credit: [
            {
               lang: "eng",
               value: "Discovered by Christoph Anton Mitterer",
            },
         ],
         data_format: "MITRE",
         data_type: "CVE",
         data_version: "4.0",
         description: {
            description_data: [
               {
                  lang: "eng",
                  value: "Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'",
               },
            ],
         },
         generator: {
            engine: "Vulnogram 0.0.9",
         },
         impact: [
            {
               other: "moderate",
            },
         ],
         problemtype: {
            problemtype_data: [
               {
                  description: [
                     {
                        lang: "eng",
                        value: "Unexpected URL matching with 'MergeSlashes OFF'",
                     },
                  ],
               },
            ],
         },
         references: {
            reference_data: [
               {
                  name: "http://httpd.apache.org/security/vulnerabilities_24.html",
                  refsource: "MISC",
                  url: "http://httpd.apache.org/security/vulnerabilities_24.html",
               },
               {
                  name: "https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62d8c43cba8d0bf3%40%3Ccvs.httpd.apache.org%3E",
                  refsource: "MISC",
                  url: "https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62d8c43cba8d0bf3%40%3Ccvs.httpd.apache.org%3E",
               },
               {
                  name: "[httpd-announce] 20210609 CVE-2021-30641: Unexpected URL matching with 'MergeSlashes OFF'",
                  refsource: "MLIST",
                  url: "https://lists.apache.org/thread.html/r2b4773944d83d2799de9fbaeee7fe0f3fd72669467787e02f434cb10@%3Cannounce.httpd.apache.org%3E",
               },
               {
                  name: "[httpd-dev] 20210610 Re: svn commit: r1890598 - in /httpd/site/trunk/content/security/json: CVE-2019-17567.json CVE-2020-13938.json CVE-2020-13950.json CVE-2020-35452.json CVE-2021-26690.json CVE-2021-26691.json CVE-2021-30641.json CVE-2021-31618.json",
                  refsource: "MLIST",
                  url: "https://lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111bb5d15cda0a68dd@%3Cdev.httpd.apache.org%3E",
               },
               {
                  name: "[oss-security] 20210609 CVE-2021-30641: Apache httpd: Unexpected URL matching with 'MergeSlashes OFF'",
                  refsource: "MLIST",
                  url: "http://www.openwall.com/lists/oss-security/2021/06/10/8",
               },
               {
                  name: "[debian-lts-announce] 20210709 [SECURITY] [DLA 2706-1] apache2 security update",
                  refsource: "MLIST",
                  url: "https://lists.debian.org/debian-lts-announce/2021/07/msg00006.html",
               },
               {
                  name: "DSA-4937",
                  refsource: "DEBIAN",
                  url: "https://www.debian.org/security/2021/dsa-4937",
               },
               {
                  name: "GLSA-202107-38",
                  refsource: "GENTOO",
                  url: "https://security.gentoo.org/glsa/202107-38",
               },
               {
                  name: "FEDORA-2021-dce7e7738e",
                  refsource: "FEDORA",
                  url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/",
               },
               {
                  name: "FEDORA-2021-e3f6dd670d",
                  refsource: "FEDORA",
                  url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/",
               },
               {
                  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-20210702-0001/",
                  refsource: "CONFIRM",
                  url: "https://security.netapp.com/advisory/ntap-20210702-0001/",
               },
            ],
         },
         source: {
            discovery: "UNKNOWN",
         },
      },
      "nvd.nist.gov": {
         configurations: {
            CVE_data_version: "4.0",
            nodes: [
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndIncluding: "2.4.46",
                        versionStartIncluding: "2.4.39",
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:a:oracle:enterprise_manager_ops_center:12.4.0.0:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
                  ],
                  operator: "OR",
               },
            ],
         },
         cve: {
            CVE_data_meta: {
               ASSIGNER: "security@apache.org",
               ID: "CVE-2021-30641",
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "en",
                     value: "Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "en",
                           value: "NVD-CWE-Other",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "N/A",
                     refsource: "CONFIRM",
                     tags: [
                        "Vendor Advisory",
                     ],
                     url: "http://httpd.apache.org/security/vulnerabilities_24.html",
                  },
                  {
                     name: "N/A",
                     refsource: "CONFIRM",
                     tags: [
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                     url: "https://lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62d8c43cba8d0bf3%40%3Ccvs.httpd.apache.org%3E",
                  },
                  {
                     name: "[httpd-dev] 20210610 Re: svn commit: r1890598 - in /httpd/site/trunk/content/security/json: CVE-2019-17567.json CVE-2020-13938.json CVE-2020-13950.json CVE-2020-35452.json CVE-2021-26690.json CVE-2021-26691.json CVE-2021-30641.json CVE-2021-31618.json",
                     refsource: "MLIST",
                     tags: [
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                  },
                  {
                     name: "[httpd-announce] 20210609 CVE-2021-30641: Unexpected URL matching with 'MergeSlashes OFF'",
                     refsource: "MLIST",
                     tags: [
                        "Mailing List",
                        "Vendor Advisory",
                     ],
                     url: "https://lists.apache.org/thread.html/r2b4773944d83d2799de9fbaeee7fe0f3fd72669467787e02f434cb10@%3Cannounce.httpd.apache.org%3E",
                  },
                  {
                     name: "[oss-security] 20210609 CVE-2021-30641: Apache httpd: Unexpected URL matching with 'MergeSlashes OFF'",
                     refsource: "MLIST",
                     tags: [
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                        "Third Party Advisory",
                     ],
                     url: "http://www.openwall.com/lists/oss-security/2021/06/10/8",
                  },
                  {
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                     refsource: "CONFIRM",
                     tags: [
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                     url: "https://security.netapp.com/advisory/ntap-20210702-0001/",
                  },
                  {
                     name: "[debian-lts-announce] 20210709 [SECURITY] [DLA 2706-1] apache2 security update",
                     refsource: "MLIST",
                     tags: [
                        "Mailing List",
                        "Third Party Advisory",
                     ],
                     url: "https://lists.debian.org/debian-lts-announce/2021/07/msg00006.html",
                  },
                  {
                     name: "DSA-4937",
                     refsource: "DEBIAN",
                     tags: [
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                     ],
                     url: "https://www.debian.org/security/2021/dsa-4937",
                  },
                  {
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                     refsource: "GENTOO",
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                     ],
                     url: "https://security.gentoo.org/glsa/202107-38",
                  },
                  {
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                     refsource: "FEDORA",
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                        "Third Party Advisory",
                     ],
                     url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/",
                  },
                  {
                     name: "FEDORA-2021-e3f6dd670d",
                     refsource: "FEDORA",
                     tags: [
                        "Mailing List",
                     ],
                     url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/",
                  },
                  {
                     name: "https://www.oracle.com/security-alerts/cpuoct2021.html",
                     refsource: "MISC",
                     tags: [
                        "Third Party Advisory",
                     ],
                     url: "https://www.oracle.com/security-alerts/cpuoct2021.html",
                  },
               ],
            },
         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  accessComplexity: "LOW",
                  accessVector: "NETWORK",
                  authentication: "NONE",
                  availabilityImpact: "NONE",
                  baseScore: 5,
                  confidentialityImpact: "NONE",
                  integrityImpact: "PARTIAL",
                  vectorString: "AV:N/AC:L/Au:N/C:N/I:P/A:N",
                  version: "2.0",
               },
               exploitabilityScore: 10,
               impactScore: 2.9,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "MEDIUM",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "LOW",
                  attackVector: "NETWORK",
                  availabilityImpact: "NONE",
                  baseScore: 5.3,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "NONE",
                  integrityImpact: "LOW",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                  version: "3.1",
               },
               exploitabilityScore: 3.9,
               impactScore: 1.4,
            },
         },
         lastModifiedDate: "2021-12-02T21:05Z",
         publishedDate: "2021-06-10T07:15Z",
      },
   },
}


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Nomenclature

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