Vulnerability-Lookup

CNVD-2018-05966

Vulnerability from cnvd - Published: 2018-03-22

Title

Arista EOS Mlag agent拒绝服务漏洞

Description

Arista EOS是美国Arista Networks公司的一套为下一代数据中心和云网络业务需求提供基础平台的模块化操作系统。Mlag agent是其中的一个Mlag代理。 Arista EOS 4.19.4M之前的4.19版本和4.20.2F之前的4.20版本中的Mlag agent存在安全漏洞。远程攻击者可借助特制的UDP数据包利用该漏洞造成拒绝服务（代理重启）。

Severity

中

Patch Name

Arista EOS Mlag agent拒绝服务漏洞的补丁

Patch Description

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/4347-security-advisory-32

Reference

https://www.arista.com/en/support/advisories-notices/security-advisories/4347-security-advisory-32

Impacted products

Name
['Arista Networks, Inc. EOS 4.19，<4.19.4M', 'Arista Networks, Inc. EOS 4.20，<4.20.2F']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-5255"
    }
  },
  "description": "Arista EOS\u662f\u7f8e\u56fdArista Networks\u516c\u53f8\u7684\u4e00\u5957\u4e3a\u4e0b\u4e00\u4ee3\u6570\u636e\u4e2d\u5fc3\u548c\u4e91\u7f51\u7edc\u4e1a\u52a1\u9700\u6c42\u63d0\u4f9b\u57fa\u7840\u5e73\u53f0\u7684\u6a21\u5757\u5316\u64cd\u4f5c\u7cfb\u7edf\u3002Mlag agent\u662f\u5176\u4e2d\u7684\u4e00\u4e2aMlag\u4ee3\u7406\u3002\r\n\r\nArista EOS 4.19.4M\u4e4b\u524d\u76844.19\u7248\u672c\u548c4.20.2F\u4e4b\u524d\u76844.20\u7248\u672c\u4e2d\u7684Mlag agent\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684UDP\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u4ee3\u7406\u91cd\u542f\uff09\u3002",
  "discovererName": "unknow",
  "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/4347-security-advisory-32",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-05966",
  "openTime": "2018-03-22",
  "patchDescription": "Arista EOS\u662f\u7f8e\u56fdArista Networks\u516c\u53f8\u7684\u4e00\u5957\u4e3a\u4e0b\u4e00\u4ee3\u6570\u636e\u4e2d\u5fc3\u548c\u4e91\u7f51\u7edc\u4e1a\u52a1\u9700\u6c42\u63d0\u4f9b\u57fa\u7840\u5e73\u53f0\u7684\u6a21\u5757\u5316\u64cd\u4f5c\u7cfb\u7edf\u3002Mlag agent\u662f\u5176\u4e2d\u7684\u4e00\u4e2aMlag\u4ee3\u7406\u3002\r\n\r\nArista EOS 4.19.4M\u4e4b\u524d\u76844.19\u7248\u672c\u548c4.20.2F\u4e4b\u524d\u76844.20\u7248\u672c\u4e2d\u7684Mlag agent\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684UDP\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u4ee3\u7406\u91cd\u542f\uff09\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 EOS Mlag agent\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Arista Networks, Inc. EOS 4.19\uff0c\u003c4.19.4M",
      "Arista Networks, Inc. EOS 4.20\uff0c\u003c4.20.2F"
    ]
  },
  "referenceLink": "https://www.arista.com/en/support/advisories-notices/security-advisories/4347-security-advisory-32",
  "serverity": "\u4e2d",
  "submitTime": "2018-03-07",
  "title": "Arista EOS Mlag agent\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2018-5255 (GCVE-0-2018-5255)

Vulnerability from cvelistv5 – Published: 2018-03-05 18:00 – Updated: 2024-08-05 05:33

Summary

The Mlag agent in Arista EOS 4.19 before 4.19.4M and 4.20 before 4.20.2F allows remote attackers to cause a denial of service (agent restart) via crafted UDP packets.

Severity

No CVSS data available.

CWE

Assigner

mitre

References

1 reference

URL	Tags
https://www.arista.com/en/support/advisories-noti…	x_refsource_CONFIRM

Date Public

2018-03-01 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T05:33:44.073Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/4347-security-advisory-32"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
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      ],
      "datePublic": "2018-03-01T00:00:00.000Z",
      "descriptions": [
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          "lang": "en",
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        }
      ],
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            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-03-05T17:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/4347-security-advisory-32"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2018-5255",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
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                          {
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                        ]
                      }
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                },
                "vendor_name": "n/a"
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            ]
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        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "lang": "eng",
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              ]
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        },
        "references": {
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            {
              "name": "https://www.arista.com/en/support/advisories-notices/security-advisories/4347-security-advisory-32",
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              "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/4347-security-advisory-32"
            }
          ]
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      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
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    "datePublished": "2018-03-05T18:00:00.000Z",
    "dateReserved": "2018-01-05T00:00:00.000Z",
    "dateUpdated": "2024-08-05T05:33:44.073Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2018-05966

CVE-2018-5255 (GCVE-0-2018-5255)

Tags

Sightings

Nomenclature