CNVD-2017-29275

Vulnerability from cnvd - Published: 2017-10-09
VLAI
Title
DNSmasq信息泄露漏洞
Description
DNSmasq是一个小巧且方便地用于配置DNS和DHCP的工具，适用于小型网络，它提供了DNS功能和可选择的DHCP功能。 DNSmasq 2.77及之前版本中存在信息泄露漏洞，远程攻击者可以通过发送特制DHCPv6数据包来触发DHCPv6中继代码的缺陷，并从目标系统的进程内存中获取敏感信息。
Severity
高
Patch Name
DNSmasq信息泄露漏洞的补丁
Patch Description
DNSmasq是一个小巧且方便地用于配置DNS和DHCP的工具，适用于小型网络，它提供了DNS功能和可选择的DHCP功能。 DNSmasq 2.77及之前版本中存在信息泄露漏洞，远程攻击者可以通过发送特制DHCPv6数据包来触发DHCPv6中继代码的缺陷，并从目标系统的进程内存中获取敏感信息。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

厂商已发布漏洞修复程序，请及时关注更新： http://www.thekelleys.org.uk/dnsmasq/CHANGELOG

Reference
http://securitytracker.com/id/1039474 http://www.securityfocus.com/bid/101085
Impacted products
Name
Dnsmasq Dnsmasq <=2.77
Show details on source website
To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "101085"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-14494"
    }
  },
  "description": "DNSmasq\u662f\u4e00\u4e2a\u5c0f\u5de7\u4e14\u65b9\u4fbf\u5730\u7528\u4e8e\u914d\u7f6eDNS\u548cDHCP\u7684\u5de5\u5177\uff0c\u9002\u7528\u4e8e\u5c0f\u578b\u7f51\u7edc\uff0c\u5b83\u63d0\u4f9b\u4e86DNS\u529f\u80fd\u548c\u53ef\u9009\u62e9\u7684DHCP\u529f\u80fd\u3002\r\n\r\nDNSmasq 2.77\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7\u53d1\u9001\u7279\u5236DHCPv6\u6570\u636e\u5305\u6765\u89e6\u53d1DHCPv6\u4e2d\u7ee7\u4ee3\u7801\u7684\u7f3a\u9677\uff0c\u5e76\u4ece\u76ee\u6807\u7cfb\u7edf\u7684\u8fdb\u7a0b\u5185\u5b58\u4e2d\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u3002",
  "discovererName": "Felix Wilhelm, Fermin J. Serna, Gabriel Campana, Kevin Hamacher and Ron Bowes of the Google Security Team",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttp://www.thekelleys.org.uk/dnsmasq/CHANGELOG",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-29275",
  "openTime": "2017-10-09",
  "patchDescription": "DNSmasq\u662f\u4e00\u4e2a\u5c0f\u5de7\u4e14\u65b9\u4fbf\u5730\u7528\u4e8e\u914d\u7f6eDNS\u548cDHCP\u7684\u5de5\u5177\uff0c\u9002\u7528\u4e8e\u5c0f\u578b\u7f51\u7edc\uff0c\u5b83\u63d0\u4f9b\u4e86DNS\u529f\u80fd\u548c\u53ef\u9009\u62e9\u7684DHCP\u529f\u80fd\u3002\r\n\r\nDNSmasq 2.77\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7\u53d1\u9001\u7279\u5236DHCPv6\u6570\u636e\u5305\u6765\u89e6\u53d1DHCPv6\u4e2d\u7ee7\u4ee3\u7801\u7684\u7f3a\u9677\uff0c\u5e76\u4ece\u76ee\u6807\u7cfb\u7edf\u7684\u8fdb\u7a0b\u5185\u5b58\u4e2d\u83b7\u53d6\u654f\u611f\u4fe1\u606f\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": "DNSmasq\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Dnsmasq Dnsmasq \u003c=2.77"
  },
  "referenceLink": "http://securitytracker.com/id/1039474\r\nhttp://www.securityfocus.com/bid/101085",
  "serverity": "\u9ad8",
  "submitTime": "2017-10-09",
  "title": "DNSmasq\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}



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