cnvd-2022-55145
Vulnerability from cnvd
Title
Cisco IOS XE Wireless Controller software拒绝服务漏洞
Description
Cisco IOS XE Wireless Controller software是美国思科(Cisco)公司的一个无线局域网控制器。提供一个管理网络功能 Cisco IOS XE Wireless Controller software存在拒绝服务漏洞,该漏洞源于未充分验证对封装多播DNS (mDNS) 查询的传入CAPWAP数据包,攻击者可利用该漏洞导致拒绝服务。
Severity
Patch Name
Cisco IOS XE Wireless Controller software拒绝服务漏洞的补丁
Patch Description
Cisco IOS XE Wireless Controller software是美国思科(Cisco)公司的一个无线局域网控制器。提供一个管理网络功能 Cisco IOS XE Wireless Controller software存在拒绝服务漏洞,该漏洞源于未充分验证对封装多播DNS (mDNS) 查询的传入CAPWAP数据包,攻击者可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-c9800-capwap-mdns-6PSn7gKU

Reference
https://vigilance.fr/vulnerability/Cisco-IOS-XE-denial-of-service-via-CAPWAP-38066
Impacted products
Name
Cisco Cisco IOS XE Wireless Controller software
Show details on source website


{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-20682",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-20682"
    }
  },
  "description": "Cisco IOS XE Wireless Controller software\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u65e0\u7ebf\u5c40\u57df\u7f51\u63a7\u5236\u5668\u3002\u63d0\u4f9b\u4e00\u4e2a\u7ba1\u7406\u7f51\u7edc\u529f\u80fd\n\nCisco IOS XE Wireless Controller software\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u672a\u5145\u5206\u9a8c\u8bc1\u5bf9\u5c01\u88c5\u591a\u64adDNS (mDNS) \u67e5\u8be2\u7684\u4f20\u5165CAPWAP\u6570\u636e\u5305\uff0c\u653b\u51fb\u8005\u53ef\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-c9800-capwap-mdns-6PSn7gKU",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-55145",
  "openTime": "2022-08-04",
  "patchDescription": "Cisco IOS XE Wireless Controller software\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u65e0\u7ebf\u5c40\u57df\u7f51\u63a7\u5236\u5668\u3002\u63d0\u4f9b\u4e00\u4e2a\u7ba1\u7406\u7f51\u7edc\u529f\u80fd\r\n\r\nCisco IOS XE Wireless Controller software\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u672a\u5145\u5206\u9a8c\u8bc1\u5bf9\u5c01\u88c5\u591a\u64adDNS (mDNS) \u67e5\u8be2\u7684\u4f20\u5165CAPWAP\u6570\u636e\u5305\uff0c\u653b\u51fb\u8005\u53ef\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 XE Wireless Controller software\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Cisco Cisco IOS XE Wireless Controller software"
  },
  "referenceLink": "https://vigilance.fr/vulnerability/Cisco-IOS-XE-denial-of-service-via-CAPWAP-38066",
  "serverity": "\u9ad8",
  "submitTime": "2022-04-15",
  "title": "Cisco IOS XE Wireless Controller software\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • 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.
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  • 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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