CNVD-2015-04397

Vulnerability from cnvd - Published: 2015-07-10
VLAI
Title
Libxml2拒绝服务漏洞
Description
Libxml2是GNOME项目组所研发的一个基于C语言的用来解析XML文档的函数库，它支持多种编码格式、Xpath解析、Well-formed和valid验证等。 Libxml2中存在拒绝服务漏洞。攻击者可借助特制的XML文档利用该漏洞消耗大量内存，造成崩溃。
Severity
中
Patch Name
Libxml2拒绝服务漏洞的补丁
Patch Description
Libxml2是GNOME项目组所研发的一个基于C语言的用来解析XML文档的函数库，它支持多种编码格式、Xpath解析、Well-formed和valid验证等。Libxml2中存在拒绝服务漏洞。攻击者可借助特制的XML文档利用该漏洞消耗大量内存，造成崩溃。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

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： https://git.gnome.org/browse/libxml2/commit/?id=213f1fe0d76d30eaed6e5853057defc43e6df2c9

Reference
http://www.securityfocus.com/bid/75570
Impacted products
Name
XMLSoft Libxml2
Show details on source website
To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "75570"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-1819"
    }
  },
  "description": "Libxml2\u662fGNOME\u9879\u76ee\u7ec4\u6240\u7814\u53d1\u7684\u4e00\u4e2a\u57fa\u4e8eC\u8bed\u8a00\u7684\u7528\u6765\u89e3\u6790XML\u6587\u6863\u7684\u51fd\u6570\u5e93\uff0c\u5b83\u652f\u6301\u591a\u79cd\u7f16\u7801\u683c\u5f0f\u3001Xpath\u89e3\u6790\u3001Well-formed\u548cvalid\u9a8c\u8bc1\u7b49\u3002\r\n\r\nLibxml2\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684XML\u6587\u6863\u5229\u7528\u8be5\u6f0f\u6d1e\u6d88\u8017\u5927\u91cf\u5185\u5b58\uff0c\u9020\u6210\u5d29\u6e83\u3002",
  "discovererName": "Florian Weimer",
  "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\nhttps://git.gnome.org/browse/libxml2/commit/?id=213f1fe0d76d30eaed6e5853057defc43e6df2c9",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-04397",
  "openTime": "2015-07-10",
  "patchDescription": "Libxml2\u662fGNOME\u9879\u76ee\u7ec4\u6240\u7814\u53d1\u7684\u4e00\u4e2a\u57fa\u4e8eC\u8bed\u8a00\u7684\u7528\u6765\u89e3\u6790XML\u6587\u6863\u7684\u51fd\u6570\u5e93\uff0c\u5b83\u652f\u6301\u591a\u79cd\u7f16\u7801\u683c\u5f0f\u3001Xpath\u89e3\u6790\u3001Well-formed\u548cvalid\u9a8c\u8bc1\u7b49\u3002Libxml2\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684XML\u6587\u6863\u5229\u7528\u8be5\u6f0f\u6d1e\u6d88\u8017\u5927\u91cf\u5185\u5b58\uff0c\u9020\u6210\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": "Libxml2\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "XMLSoft Libxml2"
  },
  "referenceLink": "http://www.securityfocus.com/bid/75570",
  "serverity": "\u4e2d",
  "submitTime": "2015-07-09",
  "title": "Libxml2\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}



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Sightings

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Nomenclature

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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