CNVD-2020-46224

Vulnerability from cnvd - Published: 2020-08-15
VLAI
Title
多款NETGEAR产品缓冲区溢出漏洞（CNVD-2020-46224）
Description
NETGEAR R6400等都是美国网件（NETGEAR）公司的一款无线路由器。 多款NETGEAR产品中的check_ra服务存在缓冲区溢出漏洞。远程攻击者可借助特制的raePolicyVersion利用该漏洞执行任意代码。
Severity
高
Patch Name
多款NETGEAR产品缓冲区溢出漏洞（CNVD-2020-46224）的补丁
Patch Description
NETGEAR R6400等都是美国网件（NETGEAR）公司的一款无线路由器。 多款NETGEAR产品中的check_ra服务存在缓冲区溢出漏洞。远程攻击者可借助特制的raePolicyVersion利用该漏洞执行任意代码。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://kb.netgear.com/000062128/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-R6700v3-PSV-2020-0224

Reference
https://www.zerodayinitiative.com/advisories/ZDI-20-937/
Impacted products
Name
['NETGEAR R6400', 'NETGEAR R6700', 'NETGEAR R7000', 'NETGEAR R7900', 'NETGEAR R8000', 'NETGEAR XR300', 'NETGEAR R6400 无', 'NETGEAR R7850', 'NETGEAR RS400']
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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-15636",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-15636"
    }
  },
  "description": "NETGEAR R6400\u7b49\u90fd\u662f\u7f8e\u56fd\u7f51\u4ef6\uff08NETGEAR\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\n\u591a\u6b3eNETGEAR\u4ea7\u54c1\u4e2d\u7684check_ra\u670d\u52a1\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684raePolicyVersion\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u4ee3\u7801\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://kb.netgear.com/000062128/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-R6700v3-PSV-2020-0224",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-46224",
  "openTime": "2020-08-15",
  "patchDescription": "NETGEAR R6400\u7b49\u90fd\u662f\u7f8e\u56fd\u7f51\u4ef6\uff08NETGEAR\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\r\n\r\n\u591a\u6b3eNETGEAR\u4ea7\u54c1\u4e2d\u7684check_ra\u670d\u52a1\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684raePolicyVersion\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u4ee3\u7801\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": "\u591a\u6b3eNETGEAR\u4ea7\u54c1\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-46224\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "NETGEAR R6400",
      "NETGEAR R6700",
      "NETGEAR R7000",
      "NETGEAR R7900",
      "NETGEAR R8000",
      "NETGEAR XR300",
      "NETGEAR R6400 \u65e0",
      "NETGEAR R7850",
      "NETGEAR RS400"
    ]
  },
  "referenceLink": "https://www.zerodayinitiative.com/advisories/ZDI-20-937/",
  "serverity": "\u9ad8",
  "submitTime": "2020-08-05",
  "title": "\u591a\u6b3eNETGEAR\u4ea7\u54c1\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2020-46224\uff09"
}



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Sightings

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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.



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