cnvd-2022-87601
Vulnerability from cnvd
Title
ISC DHCP缓冲区溢出漏洞
Description
ISC DHCP是美国ISC公司的一套开源的动态主机配置协议服务器软件。 ISC DHCP存在缓冲区溢出漏洞，该漏洞源于DHCP服务器的系统对于fqdn标签的DHCP数据包的长度缺乏验证，攻击者可利用漏洞发起拒绝服务攻击。
Severity
中
Patch Name
ISC DHCP缓冲区溢出漏洞的补丁
Patch Description
ISC DHCP是美国ISC公司的一套开源的动态主机配置协议服务器软件。 ISC DHCP存在缓冲区溢出漏洞，该漏洞源于DHCP服务器的系统对于fqdn标签的DHCP数据包的长度缺乏验证，攻击者可利用漏洞发起拒绝服务攻击。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://github.com/isc-projects/dhcp/releases/tag/v4_4_2b1_f2

Reference
https://kb.isc.org/docs/cve-2022-2929
Impacted products
Name
['ISC ISC DHCP >1.0，<=4.4.3', 'ISC ISC DHCP >4.1-ESV-R1，<=4.1-ESV-R16-P1']
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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-2929",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-2929"
    }
  },
  "description": "ISC DHCP\u662f\u7f8e\u56fdISC\u516c\u53f8\u7684\u4e00\u5957\u5f00\u6e90\u7684\u52a8\u6001\u4e3b\u673a\u914d\u7f6e\u534f\u8bae\u670d\u52a1\u5668\u8f6f\u4ef6\u3002\n\nISC DHCP\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eDHCP\u670d\u52a1\u5668\u7684\u7cfb\u7edf\u5bf9\u4e8efqdn\u6807\u7b7e\u7684DHCP\u6570\u636e\u5305\u7684\u957f\u5ea6\u7f3a\u4e4f\u9a8c\u8bc1\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u53d1\u8d77\u62d2\u7edd\u670d\u52a1\u653b\u51fb\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://github.com/isc-projects/dhcp/releases/tag/v4_4_2b1_f2",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-87601",
  "openTime": "2022-12-14",
  "patchDescription": "ISC DHCP\u662f\u7f8e\u56fdISC\u516c\u53f8\u7684\u4e00\u5957\u5f00\u6e90\u7684\u52a8\u6001\u4e3b\u673a\u914d\u7f6e\u534f\u8bae\u670d\u52a1\u5668\u8f6f\u4ef6\u3002\r\n\r\nISC DHCP\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eDHCP\u670d\u52a1\u5668\u7684\u7cfb\u7edf\u5bf9\u4e8efqdn\u6807\u7b7e\u7684DHCP\u6570\u636e\u5305\u7684\u957f\u5ea6\u7f3a\u4e4f\u9a8c\u8bc1\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u53d1\u8d77\u62d2\u7edd\u670d\u52a1\u653b\u51fb\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 DHCP\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "ISC ISC DHCP \u003e1.0\uff0c\u003c=4.4.3",
      "ISC ISC DHCP \u003e4.1-ESV-R1\uff0c\u003c=4.1-ESV-R16-P1"
    ]
  },
  "referenceLink": "https://kb.isc.org/docs/cve-2022-2929",
  "serverity": "\u4e2d",
  "submitTime": "2022-10-11",
  "title": "ISC DHCP\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}


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