fkie_cve-2020-26409
Vulnerability from fkie_nvd
Published
2020-12-11 02:15
Modified
2024-11-21 05:19
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
A DOS vulnerability exists in Gitlab CE/EE >=10.3, <13.4.7,>=13.5, <13.5.5,>=13.6, <13.6.2 that allows an attacker to trigger uncontrolled resource by bypassing input validation in markdown fields.
References
cve@gitlab.comhttps://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26409.jsonVendor Advisory
cve@gitlab.comhttps://gitlab.com/gitlab-org/gitlab/-/issues/259626Broken Link
cve@gitlab.comhttps://hackerone.com/reports/990461Permissions Required
af854a3a-2127-422b-91ae-364da2661108https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26409.jsonVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://gitlab.com/gitlab-org/gitlab/-/issues/259626Broken Link
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/990461Permissions Required
Impacted products
Vendor Product Version
gitlab gitlab *
gitlab gitlab *
gitlab gitlab *
gitlab gitlab *
gitlab gitlab *
gitlab gitlab *


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                     matchCriteriaId: "BD344029-BC42-4233-AA0F-37DC87F8AB1F",
                     versionEndExcluding: "13.4.7",
                     versionStartIncluding: "10.3.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                     matchCriteriaId: "512D9B32-3BDA-49DD-BB42-EAD4270B5FDD",
                     versionEndExcluding: "13.4.7",
                     versionStartIncluding: "10.3.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                     matchCriteriaId: "468AFC4C-4AFE-4502-AE04-CEC567CC9454",
                     versionEndExcluding: "13.5.5",
                     versionStartIncluding: "13.5.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                     matchCriteriaId: "C03EE1D3-7824-43A8-ACA2-7EE7EA9B638E",
                     versionEndExcluding: "13.5.5",
                     versionStartIncluding: "13.5.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                     matchCriteriaId: "8A470CCF-C038-44D4-AB14-B9134C0E7ABC",
                     versionEndExcluding: "13.6.2",
                     versionStartIncluding: "13.6.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                     matchCriteriaId: "63A5C9B5-F86B-4066-8042-865AB4DD4859",
                     versionEndExcluding: "13.6.2",
                     versionStartIncluding: "13.6.0",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "A DOS vulnerability exists in Gitlab CE/EE >=10.3, <13.4.7,>=13.5, <13.5.5,>=13.6, <13.6.2 that allows an attacker to trigger uncontrolled resource by bypassing input validation in markdown fields.",
      },
      {
         lang: "es",
         value: "Se presenta una vulnerabilidad de DOS en Gitlab CE/EE versiones posteriores a 10.3 incluyéndola, versiones anteriores a 13.4.7, versiones posteriores a 13.5 incluyéndola, versiones anteriores a 13.5.5,  versiones posteriores a 13.6 incluyéndola, versiones anteriores 13.6.2, que permite a un atacante activar un recurso no controlado al omitir la comprobación de entrada en los campos markdown",
      },
   ],
   id: "CVE-2020-26409",
   lastModified: "2024-11-21T05:19:52.760",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "NETWORK",
               authentication: "SINGLE",
               availabilityImpact: "PARTIAL",
               baseScore: 4,
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               vectorString: "AV:N/AC:L/Au:S/C:N/I:N/A:P",
               version: "2.0",
            },
            exploitabilityScore: 8,
            impactScore: 2.9,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "LOW",
               baseScore: 4.3,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
               version: "3.1",
            },
            exploitabilityScore: 2.8,
            impactScore: 1.4,
            source: "cve@gitlab.com",
            type: "Secondary",
         },
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 6.5,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
               version: "3.1",
            },
            exploitabilityScore: 2.8,
            impactScore: 3.6,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2020-12-11T02:15:11.490",
   references: [
      {
         source: "cve@gitlab.com",
         tags: [
            "Vendor Advisory",
         ],
         url: "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26409.json",
      },
      {
         source: "cve@gitlab.com",
         tags: [
            "Broken Link",
         ],
         url: "https://gitlab.com/gitlab-org/gitlab/-/issues/259626",
      },
      {
         source: "cve@gitlab.com",
         tags: [
            "Permissions Required",
         ],
         url: "https://hackerone.com/reports/990461",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Vendor Advisory",
         ],
         url: "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26409.json",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Broken Link",
         ],
         url: "https://gitlab.com/gitlab-org/gitlab/-/issues/259626",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Permissions Required",
         ],
         url: "https://hackerone.com/reports/990461",
      },
   ],
   sourceIdentifier: "cve@gitlab.com",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-20",
            },
            {
               lang: "en",
               value: "CWE-400",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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