github - ghsa-2pcc-vj7h-7frv

ghsa-2pcc-vj7h-7frv

Vulnerability from github

Published

2022-04-03 00:01

Modified

2022-04-13 00:00

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

On Arista Strata family products which have “TCAM profile” feature enabled when Port IPv4 access-list has a rule which matches on “vxlan” as protocol then that rule and subsequent rules ( rules declared after it in ACL ) do not match on IP protocol field as expected.

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2021-28504"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-04-01T23:15:00Z",
    "severity": "HIGH"
  },
  "details": "On Arista Strata family products which have \u201cTCAM profile\u201d feature enabled when Port IPv4 access-list has a rule which matches on \u201cvxlan\u201d as protocol then that rule and subsequent rules ( rules declared after it in ACL ) do not match on IP protocol field as expected.",
  "id": "GHSA-2pcc-vj7h-7frv",
  "modified": "2022-04-13T00:00:53Z",
  "published": "2022-04-03T00:01:03Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-28504"
    },
    {
      "type": "WEB",
      "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/15267-security-advisory-0073"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

cve-2021-28504

Vulnerability from cvelistv5

Published

2022-04-01 22:17

Modified

2024-08-03 21:47

Severity ?

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Summary

References

▼	URL	Tags
	https://www.arista.com/en/support/advisories-notices/security-advisories/15267-security-advisory-0073	x_refsource_MISC

Impacted products

Vendor

Product

Version

▼

Arista Networks

EOS

Version: 4.26.3F <
Version: 4.27.0F <

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T21:47:32.630Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/15267-security-advisory-0073"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "EOS",
          "vendor": "Arista Networks",
          "versions": [
            {
              "lessThanOrEqual": "4.26.0",
              "status": "affected",
              "version": "4.26.3F",
              "versionType": "custom"
            },
            {
              "lessThanOrEqual": "4.27.0",
              "status": "affected",
              "version": "4.27.0F",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "On Arista Strata family products which have \u201cTCAM profile\u201d feature enabled when Port IPv4 access-list has a rule which matches on \u201cvxlan\u201d as protocol then that rule and subsequent rules ( rules declared after it in ACL ) do not match on IP protocol field as expected."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
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          }
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      ],
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              "type": "CWE"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2022-04-01T22:17:50",
        "orgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7",
        "shortName": "Arista"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/15267-security-advisory-0073"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Artista recommends customers move to the latest version of each release that contains all the fixes listed below.\n\nCVE-2021-28504 has been fixed in the following releases:\n\n4.26.4F and later releases in the 4.26.x train\n4.27.1M and later releases in the 4.27.x train"
        }
      ],
      "source": {
        "advisory": "73",
        "defect": [
          "BUG608752"
        ],
        "discovery": "INTERNAL"
      },
      "title": "On Arista Strata family products which have \u201cTCAM profile\u201d feature enabled when Port IPv4 access-list has a rule which matches on \u201cvxlan\u201d as protocol then that rule and subsequent rules ( rules declared after it in ACL ) do not match on IP protocol fi ...",
      "workarounds": [
        {
          "lang": "en",
          "value": "Replace \"vxlan\" IP protocol match with match on IP protocol \"udp\" and Layer 4 destination port for VxLAN encapsulated packets i.e 4789. \nIf VXLAN L4 destination port number is not the default 4789 then use the configured L4 destination port number."
        }
      ],
      "x_ConverterErrors": {
        "TITLE": {
          "error": "TITLE too long. Truncating in v5 record.",
          "message": "Truncated!"
        }
      },
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@arista.com",
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          "STATE": "PUBLIC",
          "TITLE": "On Arista Strata family products which have \u201cTCAM profile\u201d feature enabled when Port IPv4 access-list has a rule which matches on \u201cvxlan\u201d as protocol then that rule and subsequent rules ( rules declared after it in ACL ) do not match on IP protocol field as expected."
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "EOS",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c=",
                            "version_name": "4.26.3F",
                            "version_value": "4.26.0"
                          },
                          {
                            "version_affected": "\u003c=",
                            "version_name": "4.27.0F",
                            "version_value": "4.27.0"
                          }
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                      }
                    }
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                "vendor_name": "Arista Networks"
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            ]
          }
        },
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              "value": "On Arista Strata family products which have \u201cTCAM profile\u201d feature enabled when Port IPv4 access-list has a rule which matches on \u201cvxlan\u201d as protocol then that rule and subsequent rules ( rules declared after it in ACL ) do not match on IP protocol field as expected."
            }
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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
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        },
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          }
        ],
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          "advisory": "73",
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          ],
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            "lang": "en",
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          }
        ]
      }
    }
  },
  "cveMetadata": {
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    "assignerShortName": "Arista",
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    "dateReserved": "2021-03-16T00:00:00",
    "dateUpdated": "2024-08-03T21:47:32.630Z",
    "state": "PUBLISHED"
  },
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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