cnvd-2015-01962
Vulnerability from cnvd
Title
GNU glibc拒绝服务漏洞（CNVD-2015-01962）
Description
glibc是GNU发布的libc库，即c运行库。glibc是linux系统中最底层的api，几乎其它任何运行库都会依赖于glibc。 Name Service Switch (NSS)的文件后端未能从基于密钥查询API调用中隔离整个数据库的迭代，当应用在对数据库进行查询时对其迭代，则会进入无限循环，导致拒绝服务。
Severity
中
Patch Name
GNU glibc拒绝服务漏洞（CNVD-2015-01962）的补丁
Patch Description
glibc是GNU发布的libc库，即c运行库。glibc是linux系统中最底层的api，几乎其它任何运行库都会依赖于glibc。 Name Service Switch (NSS)的文件后端未能从基于密钥查询API调用中隔离整个数据库的迭代，当应用在对数据库进行查询时对其迭代，则会进入无限循环，导致拒绝服务。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

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： http://www.gnu.org

Reference
http://www.securityfocus.com/bid/73038
Impacted products
Name
GNU glibc
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "73038"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2014-8121"
    }
  },
  "description": "glibc\u662fGNU\u53d1\u5e03\u7684libc\u5e93\uff0c\u5373c\u8fd0\u884c\u5e93\u3002glibc\u662flinux\u7cfb\u7edf\u4e2d\u6700\u5e95\u5c42\u7684api\uff0c\u51e0\u4e4e\u5176\u5b83\u4efb\u4f55\u8fd0\u884c\u5e93\u90fd\u4f1a\u4f9d\u8d56\u4e8eglibc\u3002\r\n\r\nName Service Switch (NSS)\u7684\u6587\u4ef6\u540e\u7aef\u672a\u80fd\u4ece\u57fa\u4e8e\u5bc6\u94a5\u67e5\u8be2API\u8c03\u7528\u4e2d\u9694\u79bb\u6574\u4e2a\u6570\u636e\u5e93\u7684\u8fed\u4ee3\uff0c\u5f53\u5e94\u7528\u5728\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u67e5\u8be2\u65f6\u5bf9\u5176\u8fed\u4ee3\uff0c\u5219\u4f1a\u8fdb\u5165\u65e0\u9650\u5faa\u73af\uff0c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Robin Hack of Red Hat",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttp://www.gnu.org",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-01962",
  "openTime": "2015-03-25",
  "patchDescription": "glibc\u662fGNU\u53d1\u5e03\u7684libc\u5e93\uff0c\u5373c\u8fd0\u884c\u5e93\u3002glibc\u662flinux\u7cfb\u7edf\u4e2d\u6700\u5e95\u5c42\u7684api\uff0c\u51e0\u4e4e\u5176\u5b83\u4efb\u4f55\u8fd0\u884c\u5e93\u90fd\u4f1a\u4f9d\u8d56\u4e8eglibc\u3002\r\nName Service Switch (NSS)\u7684\u6587\u4ef6\u540e\u7aef\u672a\u80fd\u4ece\u57fa\u4e8e\u5bc6\u94a5\u67e5\u8be2API\u8c03\u7528\u4e2d\u9694\u79bb\u6574\u4e2a\u6570\u636e\u5e93\u7684\u8fed\u4ee3\uff0c\u5f53\u5e94\u7528\u5728\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u67e5\u8be2\u65f6\u5bf9\u5176\u8fed\u4ee3\uff0c\u5219\u4f1a\u8fdb\u5165\u65e0\u9650\u5faa\u73af\uff0c\u5bfc\u81f4\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": "GNU glibc\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2015-01962\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "GNU glibc"
  },
  "referenceLink": "http://www.securityfocus.com/bid/73038",
  "serverity": "\u4e2d",
  "submitTime": "2015-03-24",
  "title": "GNU glibc\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2015-01962\uff09"
}


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