cnvd-2015-01343
Vulnerability from cnvd

Title: GNU C Library代码注入漏洞

Description:

GNU C Library(又称glibc,libc6)是一种按照LGPL许可协议发布的开源免费的C语言编译程序。

GNU C Library 2.20及之前版本的resolv/res_send.c文件中的‘send_dg’函数存在安全漏洞,该漏洞源于程序未能正确重用文件描述符。远程攻击者可借助大量请求利用该漏洞向任意位置发送DNS查询。

Severity:

Patch Name: GNU C Library代码注入漏洞的补丁

Patch Description:

GNU C Library(又称glibc,libc6)是一种按照LGPL许可协议发布的开源免费的C语言编译程序。GNU C Library 2.20及之前版本的resolv/res_send.c文件中的‘send_dg’函数存在安全漏洞,该漏洞源于程序未能正确重用文件描述符。远程攻击者可借助大量请求利用该漏洞向任意位置发送DNS查询。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:

目前厂商已经发布了升级补丁以修复此安全问题,补丁获取链接: http://ftp.gnu.org/gnu/glibc/

Reference: http://www.openwall.com/lists/oss-security/2015/01/28/20 https://github.com/golang/go/issues/6336

Impacted products
Name
GNU glibc <=2.20
Show details on source website


{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2013-7423"
    }
  },
  "description": "GNU C Library\uff08\u53c8\u79f0glibc\uff0clibc6\uff09\u662f\u4e00\u79cd\u6309\u7167LGPL\u8bb8\u53ef\u534f\u8bae\u53d1\u5e03\u7684\u5f00\u6e90\u514d\u8d39\u7684C\u8bed\u8a00\u7f16\u8bd1\u7a0b\u5e8f\u3002\r\n\r\nGNU C Library 2.20\u53ca\u4e4b\u524d\u7248\u672c\u7684resolv/res_send.c\u6587\u4ef6\u4e2d\u7684\u2018send_dg\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u91cd\u7528\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u5927\u91cf\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u5411\u4efb\u610f\u4f4d\u7f6e\u53d1\u9001DNS\u67e5\u8be2\u3002",
  "discovererName": "unknown",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttp://ftp.gnu.org/gnu/glibc/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-01343",
  "openTime": "2015-02-28",
  "patchDescription": "GNU C Library\uff08\u53c8\u79f0glibc\uff0clibc6\uff09\u662f\u4e00\u79cd\u6309\u7167LGPL\u8bb8\u53ef\u534f\u8bae\u53d1\u5e03\u7684\u5f00\u6e90\u514d\u8d39\u7684C\u8bed\u8a00\u7f16\u8bd1\u7a0b\u5e8f\u3002GNU C Library 2.20\u53ca\u4e4b\u524d\u7248\u672c\u7684resolv/res_send.c\u6587\u4ef6\u4e2d\u7684\u2018send_dg\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u91cd\u7528\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u5927\u91cf\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u5411\u4efb\u610f\u4f4d\u7f6e\u53d1\u9001DNS\u67e5\u8be2\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": "GNU C Library\u4ee3\u7801\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "GNU glibc \u003c=2.20"
  },
  "referenceLink": "http://www.openwall.com/lists/oss-security/2015/01/28/20\r\nhttps://github.com/golang/go/issues/6336",
  "serverity": "\u4e2d",
  "submitTime": "2015-02-27",
  "title": "GNU C Library\u4ee3\u7801\u6ce8\u5165\u6f0f\u6d1e"
}


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