cnvd-2015-00014
Vulnerability from cnvd
Title
libpng 'png_combine_row()'缓冲区溢出漏洞
Description
libpng是一款多种应用程序所使用的解析PNG图形格式的函数库。 libpng 'png_combine_row()'存在缓冲区溢出漏洞，因为它未能正确验证用户提供的输入。攻击者可能会利用这些漏洞在使用受影响的库的应用程序的上下文中执行任意代码。
Severity
高
Patch Name
libpng 'png_combine_row()'缓冲区溢出漏洞的补丁
Patch Description
libpng是一款多种应用程序所使用的解析PNG图形格式的函数库。libpng 'png_combine_row()'存在缓冲区溢出漏洞，因为它未能正确验证用户提供的输入。攻击者可能会利用这些漏洞在使用受影响的库的应用程序的上下文中执行任意代码。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

用户可以联系供应商获得补丁信息： http://www.libpng.org/pub/png/libpng.html

Reference
http://www.securityfocus.com/bid/71820
Impacted products
Name
libpng libpng <=1.6.15
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "71820"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2014-9495"
    }
  },
  "description": "libpng\u662f\u4e00\u6b3e\u591a\u79cd\u5e94\u7528\u7a0b\u5e8f\u6240\u4f7f\u7528\u7684\u89e3\u6790PNG\u56fe\u5f62\u683c\u5f0f\u7684\u51fd\u6570\u5e93\u3002 \r\n\r\nlibpng \u0027png_combine_row()\u0027\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u56e0\u4e3a\u5b83\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1\u7528\u6237\u63d0\u4f9b\u7684\u8f93\u5165\u3002\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u5229\u7528\u8fd9\u4e9b\u6f0f\u6d1e\u5728\u4f7f\u7528\u53d7\u5f71\u54cd\u7684\u5e93\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u4e0a\u4e0b\u6587\u4e2d\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "discovererName": "Alex Eubanks",
  "formalWay": "\u7528\u6237\u53ef\u4ee5\u8054\u7cfb\u4f9b\u5e94\u5546\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttp://www.libpng.org/pub/png/libpng.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-00014",
  "openTime": "2015-01-04",
  "patchDescription": "libpng\u662f\u4e00\u6b3e\u591a\u79cd\u5e94\u7528\u7a0b\u5e8f\u6240\u4f7f\u7528\u7684\u89e3\u6790PNG\u56fe\u5f62\u683c\u5f0f\u7684\u51fd\u6570\u5e93\u3002libpng \u0027png_combine_row()\u0027\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u56e0\u4e3a\u5b83\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1\u7528\u6237\u63d0\u4f9b\u7684\u8f93\u5165\u3002\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u5229\u7528\u8fd9\u4e9b\u6f0f\u6d1e\u5728\u4f7f\u7528\u53d7\u5f71\u54cd\u7684\u5e93\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u4e0a\u4e0b\u6587\u4e2d\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": "libpng \u0027png_combine_row()\u0027\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libpng libpng \u003c=1.6.15"
  },
  "referenceLink": "http://www.securityfocus.com/bid/71820",
  "serverity": "\u9ad8",
  "submitTime": "2014-12-31",
  "title": "libpng \u0027png_combine_row()\u0027\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}


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