CNVD-2015-04142

Vulnerability from cnvd - Published: 2015-07-01
VLAI Severity ?
Title
didjvu and pdf2djvu不安全临时文件创建漏洞
Description
didjvu是一个Python模块,它使用单独的卡美拉框架,前景和背景层,然后再成DjVu文件编码。PDF2DjVu的主要功能是djvu转pdf,是一个命令行下djvu格式、pdf格式、互转工具。 didjvu和pdf2djvu中存在安全漏洞，本地攻击者可利用该漏洞实施符号链接攻击，在受影响应用程序上下文中覆盖任意文件。
Severity
低
Patch Name
didjvu and pdf2djvu不安全临时文件创建漏洞的补丁
Patch Description
didjvu是一个Python模块,它使用单独的卡美拉框架,前景和背景层,然后再成DjVu文件编码。PDF2DjVu的主要功能是djvu转pdf,是一个命令行下djvu格式、pdf格式、互转工具。didjvu和pdf2djvu中存在安全漏洞，本地攻击者可利用该漏洞实施符号链接攻击，在受影响应用程序上下文中覆盖任意文件。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： http://sourceforge.net/p/djvu/djvulibre-git/ci/release.3.5.27.1/tree/tools/c44.cpp#l769

Reference
http://www.securityfocus.com/bid/74581
Impacted products
Name
DjVuLibre didjvu/pdf2djvu
Show details on source website
To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "74581"
    }
  },
  "description": "didjvu\u662f\u4e00\u4e2aPython\u6a21\u5757,\u5b83\u4f7f\u7528\u5355\u72ec\u7684\u5361\u7f8e\u62c9\u6846\u67b6,\u524d\u666f\u548c\u80cc\u666f\u5c42,\u7136\u540e\u518d\u6210DjVu\u6587\u4ef6\u7f16\u7801\u3002PDF2DjVu\u7684\u4e3b\u8981\u529f\u80fd\u662fdjvu\u8f6cpdf,\u662f\u4e00\u4e2a\u547d\u4ee4\u884c\u4e0bdjvu\u683c\u5f0f\u3001pdf\u683c\u5f0f\u3001\u4e92\u8f6c\u5de5\u5177\u3002\r\n\r\ndidjvu\u548cpdf2djvu\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5b9e\u65bd\u7b26\u53f7\u94fe\u63a5\u653b\u51fb\uff0c\u5728\u53d7\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u4e0a\u4e0b\u6587\u4e2d\u8986\u76d6\u4efb\u610f\u6587\u4ef6\u3002",
  "discovererName": "Jakub Wilk",
  "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\nhttp://sourceforge.net/p/djvu/djvulibre-git/ci/release.3.5.27.1/tree/tools/c44.cpp#l769",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-04142",
  "openTime": "2015-07-01",
  "patchDescription": "didjvu\u662f\u4e00\u4e2aPython\u6a21\u5757,\u5b83\u4f7f\u7528\u5355\u72ec\u7684\u5361\u7f8e\u62c9\u6846\u67b6,\u524d\u666f\u548c\u80cc\u666f\u5c42,\u7136\u540e\u518d\u6210DjVu\u6587\u4ef6\u7f16\u7801\u3002PDF2DjVu\u7684\u4e3b\u8981\u529f\u80fd\u662fdjvu\u8f6cpdf,\u662f\u4e00\u4e2a\u547d\u4ee4\u884c\u4e0bdjvu\u683c\u5f0f\u3001pdf\u683c\u5f0f\u3001\u4e92\u8f6c\u5de5\u5177\u3002didjvu\u548cpdf2djvu\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5b9e\u65bd\u7b26\u53f7\u94fe\u63a5\u653b\u51fb\uff0c\u5728\u53d7\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u4e0a\u4e0b\u6587\u4e2d\u8986\u76d6\u4efb\u610f\u6587\u4ef6\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": "didjvu and pdf2djvu\u4e0d\u5b89\u5168\u4e34\u65f6\u6587\u4ef6\u521b\u5efa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "DjVuLibre didjvu/pdf2djvu"
  },
  "referenceLink": "http://www.securityfocus.com/bid/74581",
  "serverity": "\u4f4e",
  "submitTime": "2015-06-27",
  "title": "didjvu and pdf2djvu\u4e0d\u5b89\u5168\u4e34\u65f6\u6587\u4ef6\u521b\u5efa\u6f0f\u6d1e"
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.



Detection rules are retrieved from Rulezet.