fkie_cve-2020-35498
Vulnerability from fkie_nvd
Published
2021-02-11 18:15
Modified
2024-11-21 05:27
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can allow a malicious user to send a specially crafted packet causing the resulting megaflow in the kernel to be too wide, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.
References
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1908845Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2021/02/msg00032.htmlMailing List, Third Party Advisory
secalert@redhat.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJ4DXFJWMZ325ECZXPZOSK7BOEDJZHPR/
secalert@redhat.comhttps://security.gentoo.org/glsa/202311-16
secalert@redhat.comhttps://www.debian.org/security/2021/dsa-4852Third Party Advisory
secalert@redhat.comhttps://www.openwall.com/lists/oss-security/2021/02/10/4Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1908845Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/02/msg00032.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJ4DXFJWMZ325ECZXPZOSK7BOEDJZHPR/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202311-16
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2021/dsa-4852Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2021/02/10/4Mailing List, Patch, Third Party Advisory
Impacted products
Vendor Product Version
openvswitch openvswitch *
openvswitch openvswitch *
openvswitch openvswitch *
openvswitch openvswitch *
openvswitch openvswitch *
openvswitch openvswitch *
openvswitch openvswitch *
openvswitch openvswitch *
openvswitch openvswitch *
openvswitch openvswitch *
debian debian_linux 9.0
debian debian_linux 10.0
fedoraproject fedora 33


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "F4AAAA44-4650-4BE6-B705-767720A51BFA",
                     versionEndExcluding: "2.5.12",
                     versionStartIncluding: "2.5.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "E78C71DF-5303-4887-A958-AA8974559F4B",
                     versionEndExcluding: "2.6.10",
                     versionStartIncluding: "2.6.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "F43F9591-492D-42E1-B241-86A19538348C",
                     versionEndExcluding: "2.7.13",
                     versionStartIncluding: "2.7.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "7D17633D-6F1B-4482-98D0-F4D87F7E79F1",
                     versionEndExcluding: "2.8.11",
                     versionStartIncluding: "2.8.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "4F9E06B0-A849-40E0-BA5E-4B94D51E34AC",
                     versionEndExcluding: "2.9.9",
                     versionStartIncluding: "2.9.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "B7D812F1-C079-45D5-BB34-2599993B9E15",
                     versionEndExcluding: "2.10.7",
                     versionStartIncluding: "2.10.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "1B7DFA70-32AD-4739-9020-C32C22A2677E",
                     versionEndExcluding: "2.11.6",
                     versionStartIncluding: "2.11.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "B6189A6A-85C4-469E-A1CA-8506ADD26CF6",
                     versionEndExcluding: "2.12.3",
                     versionStartIncluding: "2.12.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "62204DE2-CD28-46B5-AE9A-42F2ADB9CC65",
                     versionEndExcluding: "2.13.3",
                     versionStartIncluding: "2.13.0",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "170C778E-64B7-484A-9497-9BF6C137B364",
                     versionEndExcluding: "2.14.2",
                     versionStartIncluding: "2.14.0",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                     matchCriteriaId: "DEECE5FC-CACF-4496-A3E7-164736409252",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
                     matchCriteriaId: "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                     matchCriteriaId: "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can allow a malicious user to send a specially crafted packet causing the resulting megaflow in the kernel to be too wide, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.",
      },
      {
         lang: "es",
         value: "Se encontró una vulnerabilidad en openvswitch. Una limitación en la implementación del análisis de paquetes del espacio de usuario puede permitir a un usuario malicioso envíe un paquete especialmente diseñado, lo que hace que el megaflujo resultante en el kernel sea demasiado amplio, causando potencialmente una denegación de servicio. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema",
      },
   ],
   id: "CVE-2020-35498",
   lastModified: "2024-11-21T05:27:25.830",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "HIGH",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "NETWORK",
               authentication: "NONE",
               availabilityImpact: "COMPLETE",
               baseScore: 7.8,
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               vectorString: "AV:N/AC:L/Au:N/C:N/I:N/A:C",
               version: "2.0",
            },
            exploitabilityScore: 10,
            impactScore: 6.9,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               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,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2021-02-11T18:15:15.677",
   references: [
      {
         source: "secalert@redhat.com",
         tags: [
            "Issue Tracking",
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://bugzilla.redhat.com/show_bug.cgi?id=1908845",
      },
      {
         source: "secalert@redhat.com",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "https://lists.debian.org/debian-lts-announce/2021/02/msg00032.html",
      },
      {
         source: "secalert@redhat.com",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJ4DXFJWMZ325ECZXPZOSK7BOEDJZHPR/",
      },
      {
         source: "secalert@redhat.com",
         url: "https://security.gentoo.org/glsa/202311-16",
      },
      {
         source: "secalert@redhat.com",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://www.debian.org/security/2021/dsa-4852",
      },
      {
         source: "secalert@redhat.com",
         tags: [
            "Mailing List",
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://www.openwall.com/lists/oss-security/2021/02/10/4",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Issue Tracking",
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://bugzilla.redhat.com/show_bug.cgi?id=1908845",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "https://lists.debian.org/debian-lts-announce/2021/02/msg00032.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UJ4DXFJWMZ325ECZXPZOSK7BOEDJZHPR/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         url: "https://security.gentoo.org/glsa/202311-16",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://www.debian.org/security/2021/dsa-4852",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Mailing List",
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://www.openwall.com/lists/oss-security/2021/02/10/4",
      },
   ],
   sourceIdentifier: "secalert@redhat.com",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-400",
            },
         ],
         source: "secalert@redhat.com",
         type: "Primary",
      },
   ],
}


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