gsd-2020-35498
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
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.
Aliases
Aliases
CVE-2020-35498


To clipboard 

{
   GSD: {
      alias: "CVE-2020-35498",
      description: "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.",
      id: "GSD-2020-35498",
      references: [
         "https://www.suse.com/security/cve/CVE-2020-35498.html",
         "https://www.debian.org/security/2021/dsa-4852",
         "https://access.redhat.com/errata/RHSA-2021:2456",
         "https://access.redhat.com/errata/RHSA-2021:2077",
         "https://access.redhat.com/errata/RHSA-2021:1050",
         "https://access.redhat.com/errata/RHSA-2021:0837",
         "https://access.redhat.com/errata/RHSA-2021:0835",
         "https://access.redhat.com/errata/RHSA-2021:0834",
         "https://access.redhat.com/errata/RHSA-2021:0497",
         "https://ubuntu.com/security/CVE-2020-35498",
         "https://security.archlinux.org/CVE-2020-35498",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2020-35498",
         ],
         details: "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.",
         id: "GSD-2020-35498",
         modified: "2023-12-13T01:22:01.028271Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
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            ID: "CVE-2020-35498",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "openvswitch",
                              version: {
                                 version_data: [
                                    {
                                       version_value: "openvswitch 2.5.12, openvswitch 2.6.10, openvswitch 2.7.13, openvswitch 2.8.11, openvswitch 2.9.9, openvswitch 2.10.7, openvswitch 2.11.6, openvswitch 2.12.3, openvswitch 2.13.3, openvswitch 2.14.2",
                                    },
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               },
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         },
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               },
               {
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               },
               {
                  name: "[debian-lts-announce] 20210219 [SECURITY] [DLA 2571-1] openvswitch security update",
                  refsource: "MLIST",
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               },
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      },
      "nvd.nist.gov": {
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                     {
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                     {
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                     {
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                     {
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                        cpe_name: [],
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                     },
                  ],
                  operator: "OR",
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               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                        cpe_name: [],
                        vulnerable: true,
                     },
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         },
         cve: {
            CVE_data_meta: {
               ASSIGNER: "secalert@redhat.com",
               ID: "CVE-2020-35498",
            },
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            data_type: "CVE",
            data_version: "4.0",
            description: {
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            problemtype: {
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         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  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,
               severity: "HIGH",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  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,
            },
         },
         lastModifiedDate: "2023-11-26T11:15Z",
         publishedDate: "2021-02-11T18:15Z",
      },
   },
}


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