CNVD-2016-01131

Vulnerability from cnvd - Published: 2016-02-19
VLAI
Title
FFmpeg拒绝服务漏洞(CNVD-2016-01131)
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 2.8.6之前版本的libavcodec/tiff.c文件中存在安全漏洞,该漏洞源于程序未能正确验证RowsPerStrip值和YCbCr色度的二次取样系数。远程攻击者可借助特制的TIFF文件利用该漏洞造成拒绝服务(越边界数组访问)。
Severity
Patch Name
FFmpeg拒绝服务漏洞(CNVD-2016-01131)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 2.8.6之前版本的libavcodec/tiff.c文件中存在安全漏洞,该漏洞源于程序未能正确验证RowsPerStrip值和YCbCr色度的二次取样系数。远程攻击者可借助特制的TIFF文件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

目前厂商已经发布了升级补丁以修复此安全问题,详情请关注厂商主页: http://www.ffmpeg.org/

Reference
http://git.videolan.org/?p=ffmpeg.git;a=commit;h=89f464e9c229006e16f6bb5403c5529fdd0a9edd
Impacted products
Name
FFmpeg FFmpeg <2.8.6
Show details on source website

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-2329"
    }
  },
  "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 2.8.6\u4e4b\u524d\u7248\u672c\u7684libavcodec/tiff.c\u6587\u4ef6\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1RowsPerStrip\u503c\u548cYCbCr\u8272\u5ea6\u7684\u4e8c\u6b21\u53d6\u6837\u7cfb\u6570\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684TIFF\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8d8a\u8fb9\u754c\u6570\u7ec4\u8bbf\u95ee\uff09\u3002",
  "discovererName": "Michael Niedermayer",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttp://www.ffmpeg.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-01131",
  "openTime": "2016-02-19",
  "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 2.8.6\u4e4b\u524d\u7248\u672c\u7684libavcodec/tiff.c\u6587\u4ef6\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u9a8c\u8bc1RowsPerStrip\u503c\u548cYCbCr\u8272\u5ea6\u7684\u4e8c\u6b21\u53d6\u6837\u7cfb\u6570\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684TIFF\u6587\u4ef6\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\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-01131\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "FFmpeg FFmpeg \u003c2.8.6"
  },
  "referenceLink": "http://git.videolan.org/?p=ffmpeg.git;a=commit;h=89f464e9c229006e16f6bb5403c5529fdd0a9edd",
  "serverity": "\u4e2d",
  "submitTime": "2016-02-18",
  "title": "FFmpeg\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-01131\uff09"
}



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