cnvd-2017-06995
Vulnerability from cnvd
Title
Gnulib缓冲区溢出漏洞
Description
Gnulib是一个支持多系统运行的GNU可移植性库。 Gnulib 2017-04-26之前版本中的time_rz.c文件的save_abbr函数存在堆缓冲区溢出漏洞。攻击者可借助TZ环境变量利用该漏洞执行任意代码。
Severity
高
Patch Name
Gnulib缓冲区溢出漏洞的补丁
Patch Description
Gnulib是一个支持多系统运行的GNU可移植性库。 Gnulib 2017-04-26之前版本中的time_rz.c文件的save_abbr函数存在堆缓冲区溢出漏洞。攻击者可借助TZ环境变量利用该漏洞执行任意代码。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

用户可参考如下厂商提供的安全补丁以修复该漏洞： http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=commit;h=94e01571507835ff59dd8ce2a0b56a4b566965a4

Reference
https://bugzilla.redhat.com/show_bug.cgi?id=1445185 https://nvd.nist.gov/vuln/detail/CVE-2017-7476
Impacted products
Name
Gnulib Gnulib <2017-04-26
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "98098"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-7476",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7476"
    }
  },
  "description": "Gnulib\u662f\u4e00\u4e2a\u652f\u6301\u591a\u7cfb\u7edf\u8fd0\u884c\u7684GNU\u53ef\u79fb\u690d\u6027\u5e93\u3002\r\n\r\nGnulib 2017-04-26\u4e4b\u524d\u7248\u672c\u4e2d\u7684time_rz.c\u6587\u4ef6\u7684save_abbr\u51fd\u6570\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9TZ\u73af\u5883\u53d8\u91cf\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "discovererName": "P\u00e1draig Brady",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttp://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=commit;h=94e01571507835ff59dd8ce2a0b56a4b566965a4",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-06995",
  "openTime": "2017-05-19",
  "patchDescription": "Gnulib\u662f\u4e00\u4e2a\u652f\u6301\u591a\u7cfb\u7edf\u8fd0\u884c\u7684GNU\u53ef\u79fb\u690d\u6027\u5e93\u3002\r\n\r\nGnulib 2017-04-26\u4e4b\u524d\u7248\u672c\u4e2d\u7684time_rz.c\u6587\u4ef6\u7684save_abbr\u51fd\u6570\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9TZ\u73af\u5883\u53d8\u91cf\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u4ee3\u7801\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": "Gnulib\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Gnulib Gnulib \u003c2017-04-26"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=1445185\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-7476",
  "serverity": "\u9ad8",
  "submitTime": "2017-05-03",
  "title": "Gnulib\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}


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