cnvd-2016-04188
Vulnerability from cnvd
Title
Expat XML解析器拒绝服务漏洞
Description
Expat是一个基于C语言的XML解析器库，它采用了一个面向流的解析器。 Expat的XML解析器未能使用合适的熵进行哈希值初始化，允许远程攻击者可利用漏洞构建特殊的XML文档，诱使应用解析，可使应用程序崩溃。
Severity
高
Patch Name
Expat XML解析器拒绝服务漏洞的补丁
Patch Description
Expat是一个基于C语言的XML解析器库，它采用了一个面向流的解析器。 Expat的XML解析器未能使用合适的熵进行哈希值初始化，允许远程攻击者可利用漏洞构建特殊的XML文档，诱使应用解析，可使应用程序崩溃。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： https://sourceforge.net/p/expat/code_git/ci/07cc2fcacf81b32b2e06aa918df51756525240c0/

Reference
https://sourceforge.net/p/expat/code_git/ci/07cc2fcacf81b32b2e06aa918df51756525240c0/
Impacted products
Name
Expat Expat
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-5300"
    }
  },
  "description": "Expat\u662f\u4e00\u4e2a\u57fa\u4e8eC\u8bed\u8a00\u7684XML\u89e3\u6790\u5668\u5e93\uff0c\u5b83\u91c7\u7528\u4e86\u4e00\u4e2a\u9762\u5411\u6d41\u7684\u89e3\u6790\u5668\u3002\r\n\r\nExpat\u7684XML\u89e3\u6790\u5668\u672a\u80fd\u4f7f\u7528\u5408\u9002\u7684\u71b5\u8fdb\u884c\u54c8\u5e0c\u503c\u521d\u59cb\u5316\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u6784\u5efa\u7279\u6b8a\u7684XML\u6587\u6863\uff0c\u8bf1\u4f7f\u5e94\u7528\u89e3\u6790\uff0c\u53ef\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u3002",
  "discovererName": "fdrake, hartwork, kwaclaw",
  "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\nhttps://sourceforge.net/p/expat/code_git/ci/07cc2fcacf81b32b2e06aa918df51756525240c0/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-04188",
  "openTime": "2016-06-22",
  "patchDescription": "Expat\u662f\u4e00\u4e2a\u57fa\u4e8eC\u8bed\u8a00\u7684XML\u89e3\u6790\u5668\u5e93\uff0c\u5b83\u91c7\u7528\u4e86\u4e00\u4e2a\u9762\u5411\u6d41\u7684\u89e3\u6790\u5668\u3002\r\n\r\nExpat\u7684XML\u89e3\u6790\u5668\u672a\u80fd\u4f7f\u7528\u5408\u9002\u7684\u71b5\u8fdb\u884c\u54c8\u5e0c\u503c\u521d\u59cb\u5316\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u6f0f\u6d1e\u6784\u5efa\u7279\u6b8a\u7684XML\u6587\u6863\uff0c\u8bf1\u4f7f\u5e94\u7528\u89e3\u6790\uff0c\u53ef\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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": "Expat XML\u89e3\u6790\u5668\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Expat Expat"
  },
  "referenceLink": "https://sourceforge.net/p/expat/code_git/ci/07cc2fcacf81b32b2e06aa918df51756525240c0/",
  "serverity": "\u9ad8",
  "submitTime": "2016-06-19",
  "title": "Expat XML\u89e3\u6790\u5668\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}


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