cnvd-2020-35967
Vulnerability from cnvd
Title
XACK DNS拒绝服务漏洞
Description
XACK DNS是日本XACK公司的一款面向运营商的DNS（域名系统）服务器。 XACK DNS中存在安全漏洞。远程攻击者可利用该漏洞降低递归解析器的性能或将递归解析器用作反射器进行反射式攻击（拒绝服务）。
Severity
中
Patch Name
XACK DNS拒绝服务漏洞的补丁
Patch Description
XACK DNS是日本XACK公司的一款面向运营商的DNS（域名系统）服务器。 XACK DNS中存在安全漏洞。远程攻击者可利用该漏洞降低递归解析器的性能或将递归解析器用作反射器进行反射式攻击（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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://xack.co.jp/info/?ID=622

Reference
https://nvd.nist.gov/vuln/detail/CVE-2020-5591
Impacted products
Name
['XACK DNS >=1.11.0，<=1.11.4', 'XACK DNS >=1.10.0，<=1.10.8', 'XACK DNS >=1.8.0，<=1.8.23', 'XACK DNS >=1.7.0，<=1.7.18', 'XACK DNS <1.7.0']
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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-5591"
    }
  },
  "description": "XACK DNS\u662f\u65e5\u672cXACK\u516c\u53f8\u7684\u4e00\u6b3e\u9762\u5411\u8fd0\u8425\u5546\u7684DNS\uff08\u57df\u540d\u7cfb\u7edf\uff09\u670d\u52a1\u5668\u3002\n\nXACK DNS\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u964d\u4f4e\u9012\u5f52\u89e3\u6790\u5668\u7684\u6027\u80fd\u6216\u5c06\u9012\u5f52\u89e3\u6790\u5668\u7528\u4f5c\u53cd\u5c04\u5668\u8fdb\u884c\u53cd\u5c04\u5f0f\u653b\u51fb\uff08\u62d2\u7edd\u670d\u52a1\uff09\u3002",
  "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://xack.co.jp/info/?ID=622",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-35967",
  "openTime": "2020-07-02",
  "patchDescription": "XACK DNS\u662f\u65e5\u672cXACK\u516c\u53f8\u7684\u4e00\u6b3e\u9762\u5411\u8fd0\u8425\u5546\u7684DNS\uff08\u57df\u540d\u7cfb\u7edf\uff09\u670d\u52a1\u5668\u3002\r\n\r\nXACK DNS\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u964d\u4f4e\u9012\u5f52\u89e3\u6790\u5668\u7684\u6027\u80fd\u6216\u5c06\u9012\u5f52\u89e3\u6790\u5668\u7528\u4f5c\u53cd\u5c04\u5668\u8fdb\u884c\u53cd\u5c04\u5f0f\u653b\u51fb\uff08\u62d2\u7edd\u670d\u52a1\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": "XACK DNS\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "XACK DNS \u003e=1.11.0\uff0c\u003c=1.11.4",
      "XACK DNS \u003e=1.10.0\uff0c\u003c=1.10.8",
      "XACK DNS \u003e=1.8.0\uff0c\u003c=1.8.23",
      "XACK DNS \u003e=1.7.0\uff0c\u003c=1.7.18",
      "XACK DNS \u003c1.7.0"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-5591",
  "serverity": "\u4e2d",
  "submitTime": "2020-06-08",
  "title": "XACK DNS\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}


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