CNVD-2015-00537

Vulnerability from cnvd - Published: 2015-01-23
VLAI
Title
FFmpeg 'vmd_decode'函数拒绝服务漏洞
Description
FFmpeg是FFmpeg团队的一套可录制、转换以及流化音视频的完整解决方案。 FFmpeg 'libavcodec/vmdvideo.c'文件中的'vmd_decode'函数存在安全漏洞。由于程序未能验证长度值和帧的宽度之间的关系。远程攻击者可通过特制的Sierra VMD视频数据利用该漏洞造成拒绝服务(越边界数组访问)。
Severity
高
Patch Name
FFmpeg 'vmd_decode'函数拒绝服务漏洞的补丁
Patch Description
FFmpeg是FFmpeg团队的一套可录制、转换以及流化音视频的完整解决方案。 FFmpeg 'libavcodec/vmdvideo.c'文件中的'vmd_decode'函数存在安全漏洞。由于程序未能验证长度值和帧的宽度之间的关系。远程攻击者可通过特制的Sierra VMD视频数据利用该漏洞造成拒绝服务(越边界数组访问)。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

用户可联系供应商获得补丁信息: https://www.ffmpeg.org/

Reference
http://git.videolan.org/?p=ffmpeg.git;a=commit;h=3030fb7e0d41836f8add6399e9a7c7b740b48bfd http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-9603
Impacted products
Name
FFmpeg Ffmpeg < 2.5.2
Show details on source website

{
  "bids": {
    "bid": {
      "bidNumber": "72269"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2014-9603"
    }
  },
  "description": "FFmpeg\u662fFFmpeg\u56e2\u961f\u7684\u4e00\u5957\u53ef\u5f55\u5236\u3001\u8f6c\u6362\u4ee5\u53ca\u6d41\u5316\u97f3\u89c6\u9891\u7684\u5b8c\u6574\u89e3\u51b3\u65b9\u6848\u3002\r\n\r\nFFmpeg \u0027libavcodec/vmdvideo.c\u0027\u6587\u4ef6\u4e2d\u7684\u0027vmd_decode\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u7531\u4e8e\u7a0b\u5e8f\u672a\u80fd\u9a8c\u8bc1\u957f\u5ea6\u503c\u548c\u5e27\u7684\u5bbd\u5ea6\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u7684Sierra VMD\u89c6\u9891\u6570\u636e\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8d8a\u8fb9\u754c\u6570\u7ec4\u8bbf\u95ee\uff09\u3002",
  "discovererName": "Mateusz \"j00ru\" Jurczyk and Gynvael Coldwind",
  "formalWay": "\u7528\u6237\u53ef\u8054\u7cfb\u4f9b\u5e94\u5546\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a \r\nhttps://www.ffmpeg.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-00537",
  "openTime": "2015-01-23",
  "patchDescription": "FFmpeg\u662fFFmpeg\u56e2\u961f\u7684\u4e00\u5957\u53ef\u5f55\u5236\u3001\u8f6c\u6362\u4ee5\u53ca\u6d41\u5316\u97f3\u89c6\u9891\u7684\u5b8c\u6574\u89e3\u51b3\u65b9\u6848\u3002 \r\n\r\nFFmpeg \u0027libavcodec/vmdvideo.c\u0027\u6587\u4ef6\u4e2d\u7684\u0027vmd_decode\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u7531\u4e8e\u7a0b\u5e8f\u672a\u80fd\u9a8c\u8bc1\u957f\u5ea6\u503c\u548c\u5e27\u7684\u5bbd\u5ea6\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u7684Sierra VMD\u89c6\u9891\u6570\u636e\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8d8a\u8fb9\u754c\u6570\u7ec4\u8bbf\u95ee\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": "FFmpeg \u0027vmd_decode\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "FFmpeg Ffmpeg \u003c 2.5.2"
  },
  "referenceLink": "http://git.videolan.org/?p=ffmpeg.git;a=commit;h=3030fb7e0d41836f8add6399e9a7c7b740b48bfd\r\nhttp://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-9603",
  "serverity": "\u9ad8",
  "submitTime": "2015-01-22",
  "title": "FFmpeg \u0027vmd_decode\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}



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