cnvd-2017-02293
Vulnerability from cnvd
Title
tcpdump缓冲区溢出漏洞（CNVD-2017-02293）
Description
tcpdump是Tcpdump团队开发的一套运行在命令行下的嗅探工具。该工具允许用户拦截和显示发送或收到过网络连接到该计算机的TCP/IP和其他数据包。 tcpdump 4.9.0之前的版本的Q.933解析器的print-fr.c文件的q933_print()函数存在缓冲区溢出漏洞。攻击者可利用该漏洞执行任意代码，造成拒绝服务。
Severity
高
Patch Name
tcpdump缓冲区溢出漏洞（CNVD-2017-02293）的补丁
Patch Description
tcpdump是Tcpdump团队开发的一套运行在命令行下的嗅探工具。该工具允许用户拦截和显示发送或收到过网络连接到该计算机的TCP/IP和其他数据包。 tcpdump 4.8.1及之前的版本的Q.933解析器的print-fr.c文件的q933_print()函数存在缓冲区溢出漏洞。攻击者可利用该漏洞执行任意代码，造成拒绝服务。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

厂商已发布了漏洞修复程序，请及时关注更新： http://www.tcpdump.org/

Reference
http://www.securityfocus.com/bid/95852
Impacted products
Name
Tcpdump tcpdump < 4.9.0
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "95852"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-8575"
    }
  },
  "description": "tcpdump\u662fTcpdump\u56e2\u961f\u5f00\u53d1\u7684\u4e00\u5957\u8fd0\u884c\u5728\u547d\u4ee4\u884c\u4e0b\u7684\u55c5\u63a2\u5de5\u5177\u3002\u8be5\u5de5\u5177\u5141\u8bb8\u7528\u6237\u62e6\u622a\u548c\u663e\u793a\u53d1\u9001\u6216\u6536\u5230\u8fc7\u7f51\u7edc\u8fde\u63a5\u5230\u8be5\u8ba1\u7b97\u673a\u7684TCP/IP\u548c\u5176\u4ed6\u6570\u636e\u5305\u3002\r\n\r\ntcpdump 4.9.0\u4e4b\u524d\u7684\u7248\u672c\u7684Q.933\u89e3\u6790\u5668\u7684print-fr.c\u6587\u4ef6\u7684q933_print()\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u4ee3\u7801\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Tcpdump",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttp://www.tcpdump.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-02293",
  "openTime": "2017-03-02",
  "patchDescription": "tcpdump\u662fTcpdump\u56e2\u961f\u5f00\u53d1\u7684\u4e00\u5957\u8fd0\u884c\u5728\u547d\u4ee4\u884c\u4e0b\u7684\u55c5\u63a2\u5de5\u5177\u3002\u8be5\u5de5\u5177\u5141\u8bb8\u7528\u6237\u62e6\u622a\u548c\u663e\u793a\u53d1\u9001\u6216\u6536\u5230\u8fc7\u7f51\u7edc\u8fde\u63a5\u5230\u8be5\u8ba1\u7b97\u673a\u7684TCP/IP\u548c\u5176\u4ed6\u6570\u636e\u5305\u3002\r\n\r\ntcpdump 4.8.1\u53ca\u4e4b\u524d\u7684\u7248\u672c\u7684Q.933\u89e3\u6790\u5668\u7684print-fr.c\u6587\u4ef6\u7684q933_print()\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u4ee3\u7801\uff0c\u9020\u6210\u62d2\u7edd\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": "tcpdump\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2017-02293\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Tcpdump tcpdump \u003c 4.9.0"
  },
  "referenceLink": "http://www.securityfocus.com/bid/95852",
  "serverity": "\u9ad8",
  "submitTime": "2017-02-22",
  "title": "tcpdump\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2017-02293\uff09"
}


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