gsd-2021-26690
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service
Aliases
Aliases



{
   GSD: {
      alias: "CVE-2021-26690",
      description: "Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service",
      id: "GSD-2021-26690",
      references: [
         "https://www.suse.com/security/cve/CVE-2021-26690.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-2021-26690",
         "https://advisories.mageia.org/CVE-2021-26690.html",
         "https://security.archlinux.org/CVE-2021-26690",
         "https://alas.aws.amazon.com/cve/html/CVE-2021-26690.html",
         "https://linux.oracle.com/cve/CVE-2021-26690.html",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2021-26690",
         ],
         details: "Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service",
         id: "GSD-2021-26690",
         modified: "2023-12-13T01:23:33.518465Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
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            ASSIGNER: "security@apache.org",
            ID: "CVE-2021-26690",
            STATE: "PUBLIC",
            TITLE: "mod_session NULL pointer dereference",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "Apache HTTP Server",
                              version: {
                                 version_data: [
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                                       version_affected: "=",
                                       version_name: "2.4",
                                       version_value: "2.4.46",
                                    },
                                    {
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                                       version_name: "2.4",
                                       version_value: "2.4.43",
                                    },
                                    {
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                                    {
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                                       version_name: "2.4",
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                                    {
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                                       version_value: "2.4.35",
                                    },
                                    {
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                                       version_value: "2.4.34",
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                                    {
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                                       version_name: "2.4",
                                       version_value: "2.4.33",
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                                    {
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                                       version_value: "2.4.29",
                                    },
                                    {
                                       version_affected: "=",
                                       version_name: "2.4",
                                       version_value: "2.4.28",
                                    },
                                    {
                                       version_affected: "=",
                                       version_name: "2.4",
                                       version_value: "2.4.27",
                                    },
                                    {
                                       version_affected: "=",
                                       version_name: "2.4",
                                       version_value: "2.4.26",
                                    },
                                    {
                                       version_affected: "=",
                                       version_name: "2.4",
                                       version_value: "2.4.25",
                                    },
                                    {
                                       version_affected: "=",
                                       version_name: "2.4",
                                       version_value: "2.4.23",
                                    },
                                    {
                                       version_affected: "=",
                                       version_name: "2.4",
                                       version_value: "2.4.20",
                                    },
                                    {
                                       version_affected: "=",
                                       version_name: "2.4",
                                       version_value: "2.4.18",
                                    },
                                    {
                                       version_affected: "=",
                                       version_name: "2.4",
                                       version_value: "2.4.17",
                                    },
                                    {
                                       version_affected: "=",
                                       version_name: "2.4",
                                       version_value: "2.4.16",
                                    },
                                    {
                                       version_affected: "=",
                                       version_name: "2.4",
                                       version_value: "2.4.12",
                                    },
                                    {
                                       version_affected: "=",
                                       version_name: "2.4",
                                       version_value: "2.4.10",
                                    },
                                    {
                                       version_affected: "=",
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                                       version_value: "2.4.9",
                                    },
                                    {
                                       version_affected: "=",
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                                    },
                                    {
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                                    },
                                    {
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                                    },
                                    {
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                                    {
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                                    },
                                    {
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                                       version_name: "2.4",
                                       version_value: "2.4.0",
                                    },
                                 ],
                              },
                           },
                        ],
                     },
                     vendor_name: "Apache Software Foundation",
                  },
               ],
            },
         },
         credit: [
            {
               lang: "eng",
               value: "This issue was discovered and reported by GHSL team member @antonio-morales (Antonio Morales)",
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         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  accessComplexity: "LOW",
                  accessVector: "NETWORK",
                  authentication: "NONE",
                  availabilityImpact: "PARTIAL",
                  baseScore: 5,
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  vectorString: "AV:N/AC:L/Au:N/C:N/I:N/A:P",
                  version: "2.0",
               },
               exploitabilityScore: 10,
               impactScore: 2.9,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "MEDIUM",
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            },
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                  attackVector: "NETWORK",
                  availabilityImpact: "HIGH",
                  baseScore: 7.5,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "NONE",
                  integrityImpact: "NONE",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                  version: "3.1",
               },
               exploitabilityScore: 3.9,
               impactScore: 3.6,
            },
         },
         lastModifiedDate: "2021-12-01T21:33Z",
         publishedDate: "2021-06-10T07:15Z",
      },
   },
}


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