cnvd-2021-19770
Vulnerability from cnvd
Title
Dnsmasq访问控制错误漏洞
Description
Dnsmasq是一款使用C语言编写的轻量级DNS转发和DHCP、TFTP服务器。 Dnsmasq（Fedora和Red Hat Enterprise Linux）中的默认配置存在访问控制错误漏洞。该漏洞源于网络系统或产品未正确限制来自未授权角色的资源访问。 攻击者可以利用该漏洞对其他系统进行分布式拒绝服务（DDoS）。
Severity
中
Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： http://www.thekelleys.org.uk/dnsmasq/doc.html

Reference
https://access.redhat.com/security/cve/cve-2020-14312
Impacted products
Name
Dnsmasq Dnsmasq <31
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-14312"
    }
  },
  "description": "Dnsmasq\u662f\u4e00\u6b3e\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u8f7b\u91cf\u7ea7DNS\u8f6c\u53d1\u548cDHCP\u3001TFTP\u670d\u52a1\u5668\u3002\n\nDnsmasq\uff08Fedora\u548cRed Hat Enterprise Linux\uff09\u4e2d\u7684\u9ed8\u8ba4\u914d\u7f6e\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u672a\u6b63\u786e\u9650\u5236\u6765\u81ea\u672a\u6388\u6743\u89d2\u8272\u7684\u8d44\u6e90\u8bbf\u95ee\u3002 \u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u5bf9\u5176\u4ed6\u7cfb\u7edf\u8fdb\u884c\u5206\u5e03\u5f0f\u62d2\u7edd\u670d\u52a1\uff08DDoS\uff09\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttp://www.thekelleys.org.uk/dnsmasq/doc.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-19770",
  "openTime": "2021-03-22",
  "products": {
    "product": "Dnsmasq Dnsmasq \u003c31"
  },
  "referenceLink": "https://access.redhat.com/security/cve/cve-2020-14312",
  "serverity": "\u4e2d",
  "submitTime": "2020-07-02",
  "title": "Dnsmasq\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e"
}


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