cnvd-2021-50586
Vulnerability from cnvd

Title: Cisco IOS和IOS XE拒绝服务漏洞(CNVD-2021-50586)

Description:

Cisco IOS是美国Cisco公司为其网络设备开发的操作维护系统,用户通过命令行人机界面对网络设备进行功能设置。IOS XE是为其网络设备开发的一套基于Linux内核的模块化操作系统。

Cisco IOS和IOS XE的地址解析协议(ARP)管理存在拒绝服务漏洞,远程攻击者可利用该漏洞通过连续发送导致ARP条目残缺的流量利用该漏洞导致拒绝服务。

Severity:

Patch Name: Cisco IOS和IOS XE拒绝服务漏洞(CNVD-2021-50586)的补丁

Patch Description:

Cisco IOS是美国Cisco公司为其网络设备开发的操作维护系统,用户通过命令行人机界面对网络设备进行功能设置。IOS XE是为其网络设备开发的一套基于Linux内核的模块化操作系统。

Cisco IOS和IOS XE的地址解析协议(ARP)管理存在拒绝服务漏洞,远程攻击者可利用该漏洞通过连续发送导致ARP条目残缺的流量利用该漏洞导致拒绝服务。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:

厂商已发布了漏洞修复程序,请及时关注更新: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-arp-mtfhBfjE

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-1377

Impacted products
Name
['Cisco IOS XE', 'Cisco Cisco IOS']
Show details on source website


{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-1377",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-1377"
    }
  },
  "description": "Cisco IOS\u662f\u7f8e\u56fdCisco\u516c\u53f8\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7ef4\u62a4\u7cfb\u7edf\uff0c\u7528\u6237\u901a\u8fc7\u547d\u4ee4\u884c\u4eba\u673a\u754c\u9762\u5bf9\u7f51\u7edc\u8bbe\u5907\u8fdb\u884c\u529f\u80fd\u8bbe\u7f6e\u3002IOS XE\u662f\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u4e00\u5957\u57fa\u4e8eLinux\u5185\u6838\u7684\u6a21\u5757\u5316\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nCisco IOS\u548cIOS XE\u7684\u5730\u5740\u89e3\u6790\u534f\u8bae\uff08ARP\uff09\u7ba1\u7406\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u8fde\u7eed\u53d1\u9001\u5bfc\u81f4ARP\u6761\u76ee\u6b8b\u7f3a\u7684\u6d41\u91cf\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-arp-mtfhBfjE",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-50586",
  "openTime": "2021-07-14",
  "patchDescription": "Cisco IOS\u662f\u7f8e\u56fdCisco\u516c\u53f8\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7ef4\u62a4\u7cfb\u7edf\uff0c\u7528\u6237\u901a\u8fc7\u547d\u4ee4\u884c\u4eba\u673a\u754c\u9762\u5bf9\u7f51\u7edc\u8bbe\u5907\u8fdb\u884c\u529f\u80fd\u8bbe\u7f6e\u3002IOS XE\u662f\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u4e00\u5957\u57fa\u4e8eLinux\u5185\u6838\u7684\u6a21\u5757\u5316\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nCisco IOS\u548cIOS XE\u7684\u5730\u5740\u89e3\u6790\u534f\u8bae\uff08ARP\uff09\u7ba1\u7406\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u8fde\u7eed\u53d1\u9001\u5bfc\u81f4ARP\u6761\u76ee\u6b8b\u7f3a\u7684\u6d41\u91cf\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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": "Cisco IOS\u548cIOS XE\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-50586\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Cisco IOS XE",
      "Cisco Cisco IOS"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-1377",
  "serverity": "\u4e2d",
  "submitTime": "2021-03-25",
  "title": "Cisco IOS\u548cIOS XE\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-50586\uff09"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.


Loading…