cnvd-2016-00834
Vulnerability from cnvd
Title
libEBML内存错误引用漏洞
Description
libEBML是Matroska团队负责维护的一个用于解析EBML文件的C++库。 libEBML本的‘EbmlMaster::Read’函数解析无限大小的深层嵌套元素时存在内存错误引用漏洞，允许远程攻击者可利用该漏洞访问已释放的内存，执行任意代码。
Severity
高
Patch Name
libEBML内存错误引用漏洞的补丁
Patch Description
libEBML是Matroska团队负责维护的一个用于解析EBML文件的C++库。 libEBML本的‘EbmlMaster::Read’函数解析无限大小的深层嵌套元素时存在内存错误引用漏洞，允许远程攻击者可利用该漏洞访问已释放的内存，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： https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog

Reference
https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8789
Impacted products
Name
Matroska libEBML <1.3.3
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-8789"
    }
  },
  "description": "libEBML\u662fMatroska\u56e2\u961f\u8d1f\u8d23\u7ef4\u62a4\u7684\u4e00\u4e2a\u7528\u4e8e\u89e3\u6790EBML\u6587\u4ef6\u7684C++\u5e93\u3002\r\n\r\nlibEBML\u672c\u7684\u2018EbmlMaster::Read\u2019\u51fd\u6570\u89e3\u6790\u65e0\u9650\u5927\u5c0f\u7684\u6df1\u5c42\u5d4c\u5957\u5143\u7d20\u65f6\u5b58\u5728\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95ee\u5df2\u91ca\u653e\u7684\u5185\u5b58\uff0c\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "discovererName": "unknown",
  "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://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-00834",
  "openTime": "2016-02-14",
  "patchDescription": "libEBML\u662fMatroska\u56e2\u961f\u8d1f\u8d23\u7ef4\u62a4\u7684\u4e00\u4e2a\u7528\u4e8e\u89e3\u6790EBML\u6587\u4ef6\u7684C++\u5e93\u3002\r\n\r\nlibEBML\u672c\u7684\u2018EbmlMaster::Read\u2019\u51fd\u6570\u89e3\u6790\u65e0\u9650\u5927\u5c0f\u7684\u6df1\u5c42\u5d4c\u5957\u5143\u7d20\u65f6\u5b58\u5728\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95ee\u5df2\u91ca\u653e\u7684\u5185\u5b58\uff0c\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": "libEBML\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Matroska libEBML \u003c1.3.3"
  },
  "referenceLink": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2015-8789",
  "serverity": "\u9ad8",
  "submitTime": "2016-02-02",
  "title": "libEBML\u5185\u5b58\u9519\u8bef\u5f15\u7528\u6f0f\u6d1e"
}


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