ghsa-m3mq-x6x3-4537
Vulnerability from github
Published
2022-05-24 17:44
Modified
2022-10-07 18:16
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details

A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.

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{
   affected: [],
   aliases: [
      "CVE-2020-27827",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-400",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2021-03-18T17:15:00Z",
      severity: "HIGH",
   },
   details: "A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.",
   id: "GHSA-m3mq-x6x3-4537",
   modified: "2022-10-07T18:16:03Z",
   published: "2022-05-24T17:44:47Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2020-27827",
      },
      {
         type: "WEB",
         url: "https://bugzilla.redhat.com/show_bug.cgi?id=1921438",
      },
      {
         type: "WEB",
         url: "https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf",
      },
      {
         type: "WEB",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS",
      },
      {
         type: "WEB",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP",
      },
      {
         type: "WEB",
         url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D",
      },
      {
         type: "WEB",
         url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS",
      },
      {
         type: "WEB",
         url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP",
      },
      {
         type: "WEB",
         url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D",
      },
      {
         type: "WEB",
         url: "https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html",
      },
      {
         type: "WEB",
         url: "https://security.gentoo.org/glsa/202311-16",
      },
      {
         type: "WEB",
         url: "https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
         type: "CVSS_V3",
      },
   ],
}


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