cnvd - cnvd-2020-42018

cnvd-2020-42018

Vulnerability from cnvd

Title: Arista Networks Extensible Operating System输入验证错误漏洞

Description:

Arista Networks Extensible Operating System（EOS）是美国Arista Networks公司的一套用于下一代数据中心和云解决方案的可扩展的操作系统。

Arista Networks EOS中的VxLAN存在安全漏洞。攻击者可利用该漏洞造成VxlanSwFwd代理崩溃。

Severity: 中

Patch Name: Arista Networks Extensible Operating System输入验证错误漏洞的补丁

Patch Description:

Arista Networks Extensible Operating System（EOS）是美国Arista Networks公司的一套用于下一代数据中心和云解决方案的可扩展的操作系统。

Arista Networks EOS中的VxLAN存在安全漏洞。攻击者可利用该漏洞造成VxlanSwFwd代理崩溃。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://www.arista.com/en/support/advisories-notices/security-advisories/10292-security-advisory-47

Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-18948

Impacted products

Name
['Arista Networks Extensible Operating System <=4.21.8M', 'Arista Networks Extensible Operating System <=4.22.3M', 'Arista Networks Extensible Operating System <=4.23.1F', 'Arista Networks Extensible Operating System 4.15', 'Arista Networks Extensible Operating System 4.16', 'Arista Networks Extensible Operating System 4.17', 'Arista Networks Extensible Operating System 4.18', 'Arista Networks Extensible Operating System 4.19', 'Arista Networks Extensible Operating System 4.20']

Name

['Arista Networks Extensible Operating System <=4.21.8M', 'Arista Networks Extensible Operating System <=4.22.3M', 'Arista Networks Extensible Operating System <=4.23.1F', 'Arista Networks Extensible Operating System 4.15', 'Arista Networks Extensible Operating System 4.16', 'Arista Networks Extensible Operating System 4.17', 'Arista Networks Extensible Operating System 4.18', 'Arista Networks Extensible Operating System 4.19', 'Arista Networks Extensible Operating System 4.20']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-18948"
    }
  },
  "description": "Arista Networks Extensible Operating System\uff08EOS\uff09\u662f\u7f8e\u56fdArista Networks\u516c\u53f8\u7684\u4e00\u5957\u7528\u4e8e\u4e0b\u4e00\u4ee3\u6570\u636e\u4e2d\u5fc3\u548c\u4e91\u89e3\u51b3\u65b9\u6848\u7684\u53ef\u6269\u5c55\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nArista Networks EOS\u4e2d\u7684VxLAN\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210VxlanSwFwd\u4ee3\u7406\u5d29\u6e83\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://www.arista.com/en/support/advisories-notices/security-advisories/10292-security-advisory-47",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-42018",
  "openTime": "2020-07-24",
  "patchDescription": "Arista Networks Extensible Operating System\uff08EOS\uff09\u662f\u7f8e\u56fdArista Networks\u516c\u53f8\u7684\u4e00\u5957\u7528\u4e8e\u4e0b\u4e00\u4ee3\u6570\u636e\u4e2d\u5fc3\u548c\u4e91\u89e3\u51b3\u65b9\u6848\u7684\u53ef\u6269\u5c55\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nArista Networks EOS\u4e2d\u7684VxLAN\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210VxlanSwFwd\u4ee3\u7406\u5d29\u6e83\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Arista Networks Extensible Operating System\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Arista Networks Extensible Operating System \u003c=4.21.8M",
      "Arista Networks Extensible Operating System \u003c=4.22.3M",
      "Arista Networks Extensible Operating System \u003c=4.23.1F",
      "Arista Networks Extensible Operating System 4.15",
      "Arista Networks Extensible Operating System 4.16",
      "Arista Networks Extensible Operating System 4.17",
      "Arista Networks Extensible Operating System 4.18",
      "Arista Networks Extensible Operating System 4.19",
      "Arista Networks Extensible Operating System 4.20"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-18948",
  "serverity": "\u4e2d",
  "submitTime": "2020-04-17",
  "title": "Arista Networks Extensible Operating System\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2019-18948 (GCVE-0-2019-18948)

Vulnerability from cvelistv5

Published

2020-04-16 16:52

Modified

2024-08-05 02:02

Severity ?

CWE

Summary

An issue was found in Arista EOS. Specific malformed ARP packets can impact the software forwarding of VxLAN packets. This issue is found in Arista’s EOS VxLAN code, which can allow attackers to crash the VxlanSwFwd agent. This affects EOS 4.21.8M and below releases in the 4.21.x train, 4.22.3M and below releases in the 4.22.x train, 4.23.1F and below releases in the 4.23.x train, and all releases in 4.15, 4.16, 4.17, 4.18, 4.19, 4.20 code train.

References

▼	URL	Tags
	https://www.arista.com/en/support/advisories-notices/security-advisories/10292-security-advisory-47	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T02:02:39.867Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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            "tags": [
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              "x_transferred"
            ],
            "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/10292-security-advisory-47"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was found in Arista EOS. Specific malformed ARP packets can impact the software forwarding of VxLAN packets. This issue is found in Arista\u2019s EOS VxLAN code, which can allow attackers to crash the VxlanSwFwd agent. This affects EOS 4.21.8M and below releases in the 4.21.x train, 4.22.3M and below releases in the 4.22.x train, 4.23.1F and below releases in the 4.23.x train, and all releases in 4.15, 4.16, 4.17, 4.18, 4.19, 4.20 code train."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-04-16T16:52:56",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/10292-security-advisory-47"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2019-18948",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
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                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
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                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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            {
              "lang": "eng",
              "value": "An issue was found in Arista EOS. Specific malformed ARP packets can impact the software forwarding of VxLAN packets. This issue is found in Arista\u2019s EOS VxLAN code, which can allow attackers to crash the VxlanSwFwd agent. This affects EOS 4.21.8M and below releases in the 4.21.x train, 4.22.3M and below releases in the 4.22.x train, 4.23.1F and below releases in the 4.23.x train, and all releases in 4.15, 4.16, 4.17, 4.18, 4.19, 4.20 code train."
            }
          ]
        },
        "problemtype": {
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          ]
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      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
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    "datePublished": "2020-04-16T16:52:56",
    "dateReserved": "2019-11-13T00:00:00",
    "dateUpdated": "2024-08-05T02:02:39.867Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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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