CNVD-2015-01390

Vulnerability from cnvd - Published: 2015-03-03
VLAI Severity ?
Title
FFmpeg存在未明漏洞
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 2.1.4及之前版本的libavformat/segment.c文件中的‘seg_write_packet’函数存在安全漏洞,该漏洞源于程序未能释放正确的内存位置。远程攻击者可借助特制的视频文件利用该漏洞造成拒绝服务,也可能执行任意代码。
Severity
Patch Name
FFmpeg存在未明漏洞的补丁
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 2.1.4及之前版本的libavformat/segment.c文件中的‘seg_write_packet’函数存在安全漏洞,该漏洞源于程序未能释放正确的内存位置。远程攻击者可借助特制的视频文件利用该漏洞造成拒绝服务,也可能执行任意代码。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

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: http://www.ffmpeg.org/olddownload.html

Reference
http://seclists.org/oss-sec/2015/q1/38
Impacted products
Name
FFmpeg Ffmpeg <=2.1.4
Show details on source website

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2014-9676"
    }
  },
  "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 2.1.4\u53ca\u4e4b\u524d\u7248\u672c\u7684libavformat/segment.c\u6587\u4ef6\u4e2d\u7684\u2018seg_write_packet\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u91ca\u653e\u6b63\u786e\u7684\u5185\u5b58\u4f4d\u7f6e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u89c6\u9891\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff0c\u4e5f\u53ef\u80fd\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "discovererName": "FFmpeg",
  "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\uff1a\r\nhttp://www.ffmpeg.org/olddownload.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-01390",
  "openTime": "2015-03-03",
  "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\nFFmpeg 2.1.4\u53ca\u4e4b\u524d\u7248\u672c\u7684libavformat/segment.c\u6587\u4ef6\u4e2d\u7684\u2018seg_write_packet\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u91ca\u653e\u6b63\u786e\u7684\u5185\u5b58\u4f4d\u7f6e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u89c6\u9891\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff0c\u4e5f\u53ef\u80fd\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": "FFmpeg\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "FFmpeg Ffmpeg \u003c=2.1.4"
  },
  "referenceLink": "http://seclists.org/oss-sec/2015/q1/38",
  "serverity": "\u4e2d",
  "submitTime": "2015-03-02",
  "title": "FFmpeg\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}


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Sightings

Author Source Type Date

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.
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  • 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.


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