cnvd-2017-04557
Vulnerability from cnvd
Title
PoDoFo拒绝服务漏洞（CNVD-2017-04557）
Description
PoDoFo是一个开源的、使用C++编写的PDF文件格式的库。 PoDoFo 0.9.5版本的PdfEncoding.cpp中的PoDoFo :: PdfSimpleEncoding :: ConvertToEncoding函数存在拒绝服务漏洞，允许远程攻击者通过精心制作的PDF文档导致拒绝服务（堆缓冲区溢出和应用程序崩溃）。
Severity
中
Patch Name
PoDoFo拒绝服务漏洞（CNVD-2017-04557）的补丁
Patch Description
PoDoFo是一个开源的、使用C++编写的PDF文件格式的库。 PoDoFo 0.9.5版本的PdfEncoding.cpp中的PoDoFo :: PdfSimpleEncoding :: ConvertToEncoding函数存在拒绝服务漏洞，允许远程攻击者通过精心制作的PDF文档导致拒绝服务（堆缓冲区溢出和应用程序崩溃）。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

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接: https://blogs.gentoo.org/ago/2017/03/31/podofo-heap-based-buffer-overflow-in-podofopdfsimpleencodingconverttoencoding-pdfencoding-cpp

Reference
http://www.securityfocus.com/bid/97296
Impacted products
Name
PoDoFo PoDoFo 0.9.5
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "97296"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-7379",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7379"
    }
  },
  "description": "PoDoFo\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u3001\u4f7f\u7528C++\u7f16\u5199\u7684PDF\u6587\u4ef6\u683c\u5f0f\u7684\u5e93\u3002 \r\n\r\nPoDoFo 0.9.5\u7248\u672c\u7684PdfEncoding.cpp\u4e2d\u7684PoDoFo :: PdfSimpleEncoding :: ConvertToEncoding\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u901a\u8fc7\u7cbe\u5fc3\u5236\u4f5c\u7684PDF\u6587\u6863\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\uff08\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u548c\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff09\u3002",
  "discovererName": "Agostino Sarubbo",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5:\r\nhttps://blogs.gentoo.org/ago/2017/03/31/podofo-heap-based-buffer-overflow-in-podofopdfsimpleencodingconverttoencoding-pdfencoding-cpp",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-04557",
  "openTime": "2017-04-17",
  "patchDescription": "PoDoFo\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u3001\u4f7f\u7528C++\u7f16\u5199\u7684PDF\u6587\u4ef6\u683c\u5f0f\u7684\u5e93\u3002 \r\n\r\nPoDoFo 0.9.5\u7248\u672c\u7684PdfEncoding.cpp\u4e2d\u7684PoDoFo :: PdfSimpleEncoding :: ConvertToEncoding\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u901a\u8fc7\u7cbe\u5fc3\u5236\u4f5c\u7684PDF\u6587\u6863\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\uff08\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u548c\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff09\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": "PoDoFo\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-04557\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "PoDoFo PoDoFo 0.9.5"
  },
  "referenceLink": "http://www.securityfocus.com/bid/97296",
  "serverity": "\u4e2d",
  "submitTime": "2017-04-05",
  "title": "PoDoFo\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-04557\uff09"
}


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