cnvd-2024-16843
Vulnerability from cnvd
Title
ISC BIND拒绝服务漏洞（CNVD-2024-16843）
Description
ISC BIND是美国ISC公司的一套实现了DNS协议的开源软件。 ISC BIND存在拒绝服务漏洞，该漏洞源于解析器代码中的缺陷可能会导致命名在处理大型委托上花费过多的时间，攻击者可利用该漏洞向目标解析器充斥查询，可以显着削弱解析器的性能，从而有效地拒绝合法客户端访问DNS解析服务。
Severity
中
Patch Name
ISC BIND拒绝服务漏洞（CNVD-2024-16843）的补丁
Patch Description
ISC BIND是美国ISC公司的一套实现了DNS协议的开源软件。 ISC BIND存在拒绝服务漏洞，该漏洞源于解析器代码中的缺陷可能会导致命名在处理大型委托上花费过多的时间，攻击者可利用该漏洞向目标解析器充斥查询，可以显着削弱解析器的性能，从而有效地拒绝合法客户端访问DNS解析服务。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://kb.isc.org/docs/cve-2022-2795

Reference
https://nvd.nist.gov/vuln/detail/CVE-2022-2795
Impacted products
Name
['ISC BIND >=9.18.0，<9.18.7', 'ISC BIND >=9.19.0，<9.19.5', 'ISC BIND >=9.0.0，<=9.16.32']
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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-2795",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-2795"
    }
  },
  "description": "ISC BIND\u662f\u7f8e\u56fdISC\u516c\u53f8\u7684\u4e00\u5957\u5b9e\u73b0\u4e86DNS\u534f\u8bae\u7684\u5f00\u6e90\u8f6f\u4ef6\u3002\n\nISC BIND\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u89e3\u6790\u5668\u4ee3\u7801\u4e2d\u7684\u7f3a\u9677\u53ef\u80fd\u4f1a\u5bfc\u81f4\u547d\u540d\u5728\u5904\u7406\u5927\u578b\u59d4\u6258\u4e0a\u82b1\u8d39\u8fc7\u591a\u7684\u65f6\u95f4\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5411\u76ee\u6807\u89e3\u6790\u5668\u5145\u65a5\u67e5\u8be2\uff0c\u53ef\u4ee5\u663e\u7740\u524a\u5f31\u89e3\u6790\u5668\u7684\u6027\u80fd\uff0c\u4ece\u800c\u6709\u6548\u5730\u62d2\u7edd\u5408\u6cd5\u5ba2\u6237\u7aef\u8bbf\u95eeDNS\u89e3\u6790\u670d\u52a1\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://kb.isc.org/docs/cve-2022-2795",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2024-16843",
  "openTime": "2024-04-07",
  "patchDescription": "ISC BIND\u662f\u7f8e\u56fdISC\u516c\u53f8\u7684\u4e00\u5957\u5b9e\u73b0\u4e86DNS\u534f\u8bae\u7684\u5f00\u6e90\u8f6f\u4ef6\u3002\r\n\r\nISC BIND\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u89e3\u6790\u5668\u4ee3\u7801\u4e2d\u7684\u7f3a\u9677\u53ef\u80fd\u4f1a\u5bfc\u81f4\u547d\u540d\u5728\u5904\u7406\u5927\u578b\u59d4\u6258\u4e0a\u82b1\u8d39\u8fc7\u591a\u7684\u65f6\u95f4\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5411\u76ee\u6807\u89e3\u6790\u5668\u5145\u65a5\u67e5\u8be2\uff0c\u53ef\u4ee5\u663e\u7740\u524a\u5f31\u89e3\u6790\u5668\u7684\u6027\u80fd\uff0c\u4ece\u800c\u6709\u6548\u5730\u62d2\u7edd\u5408\u6cd5\u5ba2\u6237\u7aef\u8bbf\u95eeDNS\u89e3\u6790\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": "ISC BIND\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2024-16843\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "ISC BIND \u003e=9.18.0\uff0c\u003c9.18.7",
      "ISC BIND \u003e=9.19.0\uff0c\u003c9.19.5",
      "ISC BIND \u003e=9.0.0\uff0c\u003c=9.16.32"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2022-2795",
  "serverity": "\u4e2d",
  "submitTime": "2022-09-24",
  "title": "ISC BIND\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2024-16843\uff09"
}


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