cnvd-2016-06254
Vulnerability from cnvd
Title
fontconfig任意代码执行漏洞
Description
fontconfig是提供系统范围内字体设置,定制和允许应用程序访问的函数库。 fontconfig存在任意代码执行漏洞，攻击者可以利用该漏洞触发任意free()调用，这样会导致双重free攻击从而执行任意代码。如果结合setuid二进制文件使用特制的缓存文件，有可能会造成权限提升。
Severity
高
Patch Name
fontconfig任意代码执行漏洞的补丁
Patch Description
fontconfig是提供系统范围内字体设置,定制和允许应用程序访问的函数库。 fontconfig存在任意代码执行漏洞，攻击者可以利用该漏洞触发任意free()调用，这样会导致双重free攻击从而执行任意代码。如果结合setuid二进制文件使用特制的缓存文件，有可能会造成权限提升。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

目前该漏洞已在2.11.0-6.3+deb8u和2.11.0-6.5版本中修复，详情请关注厂商主页或有关网址： https://www.debian.org/security/

Reference
https://www.auscert.org.au/render.html?it=37514
Impacted products
Name
Debian fontconfig
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-5384"
    }
  },
  "description": "fontconfig\u662f\u63d0\u4f9b\u7cfb\u7edf\u8303\u56f4\u5185\u5b57\u4f53\u8bbe\u7f6e,\u5b9a\u5236\u548c\u5141\u8bb8\u5e94\u7528\u7a0b\u5e8f\u8bbf\u95ee\u7684\u51fd\u6570\u5e93\u3002\r\n\r\nfontconfig\u5b58\u5728\u4efb\u610f\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u89e6\u53d1\u4efb\u610ffree()\u8c03\u7528\uff0c\u8fd9\u6837\u4f1a\u5bfc\u81f4\u53cc\u91cdfree\u653b\u51fb\u4ece\u800c\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002\u5982\u679c\u7ed3\u5408setuid\u4e8c\u8fdb\u5236\u6587\u4ef6\u4f7f\u7528\u7279\u5236\u7684\u7f13\u5b58\u6587\u4ef6\uff0c\u6709\u53ef\u80fd\u4f1a\u9020\u6210\u6743\u9650\u63d0\u5347\u3002",
  "discovererName": "unknown",
  "formalWay": "\u76ee\u524d\u8be5\u6f0f\u6d1e\u5df2\u57282.11.0-6.3+deb8u\u548c2.11.0-6.5\u7248\u672c\u4e2d\u4fee\u590d\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u6709\u5173\u7f51\u5740\uff1a\r\nhttps://www.debian.org/security/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-06254",
  "openTime": "2016-08-11",
  "patchDescription": "fontconfig\u662f\u63d0\u4f9b\u7cfb\u7edf\u8303\u56f4\u5185\u5b57\u4f53\u8bbe\u7f6e,\u5b9a\u5236\u548c\u5141\u8bb8\u5e94\u7528\u7a0b\u5e8f\u8bbf\u95ee\u7684\u51fd\u6570\u5e93\u3002\r\n\r\nfontconfig\u5b58\u5728\u4efb\u610f\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u89e6\u53d1\u4efb\u610ffree()\u8c03\u7528\uff0c\u8fd9\u6837\u4f1a\u5bfc\u81f4\u53cc\u91cdfree\u653b\u51fb\u4ece\u800c\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002\u5982\u679c\u7ed3\u5408setuid\u4e8c\u8fdb\u5236\u6587\u4ef6\u4f7f\u7528\u7279\u5236\u7684\u7f13\u5b58\u6587\u4ef6\uff0c\u6709\u53ef\u80fd\u4f1a\u9020\u6210\u6743\u9650\u63d0\u5347\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": "fontconfig\u4efb\u610f\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Debian fontconfig"
  },
  "referenceLink": "https://www.auscert.org.au/render.html?it=37514",
  "serverity": "\u9ad8",
  "submitTime": "2016-08-10",
  "title": "fontconfig\u4efb\u610f\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e"
}


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