cnvd - cnvd-2017-36471

cnvd-2017-36471

Vulnerability from cnvd

Title: FFmpeg拒绝服务漏洞（CNVD-2017-36471）

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 3.4版本中的libavcodec/x86/mpegvideodsp.c文件的‘gmc_mmx’函数存在安全漏洞，该漏洞源于程序未能正确的验证长度和高度。远程攻击者可借助特制的MPEG文件利用该漏洞造成拒绝服务。

Severity: 中

Patch Name: FFmpeg拒绝服务漏洞（CNVD-2017-36471）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 3.4版本中的libavcodec/x86/mpegvideodsp.c文件的‘gmc_mmx’函数存在安全漏洞，该漏洞源于程序未能正确的验证长度和高度。远程攻击者可借助特制的MPEG文件利用该漏洞造成拒绝服务。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:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://lists.ffmpeg.org/pipermail/ffmpeg-devel/2017-November/219748.html

Reference: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3516#c1

Impacted products

Name
FFmpeg Ffmpeg 3.4

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-17081"
    }
  },
  "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 3.4\u7248\u672c\u4e2d\u7684libavcodec/x86/mpegvideodsp.c\u6587\u4ef6\u7684\u2018gmc_mmx\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u9a8c\u8bc1\u957f\u5ea6\u548c\u9ad8\u5ea6\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684MPEG\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Insu Yun, Georgia Tech.",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://lists.ffmpeg.org/pipermail/ffmpeg-devel/2017-November/219748.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-36471",
  "openTime": "2017-12-07",
  "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 3.4\u7248\u672c\u4e2d\u7684libavcodec/x86/mpegvideodsp.c\u6587\u4ef6\u7684\u2018gmc_mmx\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u9a8c\u8bc1\u957f\u5ea6\u548c\u9ad8\u5ea6\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684MPEG\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\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-2017-36471\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "FFmpeg Ffmpeg 3.4"
  },
  "referenceLink": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3516#c1",
  "serverity": "\u4e2d",
  "submitTime": "2017-12-04",
  "title": "FFmpeg\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-36471\uff09"
}

CVE-2017-17081 (GCVE-0-2017-17081)

Vulnerability from cvelistv5

Published

2017-11-30 21:00

Modified

2024-08-05 20:43

Severity ?

CWE

Summary

The gmc_mmx function in libavcodec/x86/mpegvideodsp.c in FFmpeg 2.3 and 3.4 does not properly validate widths and heights, which allows remote attackers to cause a denial of service (integer signedness error and out-of-array read) via a crafted MPEG file.

References

▼	URL	Tags
	https://lists.ffmpeg.org/pipermail/ffmpeg-devel/2017-November/219748.html	x_refsource_MISC
	https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3516#c1	x_refsource_MISC
	https://github.com/FFmpeg/FFmpeg/commit/58cf31cee7a456057f337b3102a03206d833d5e8	x_refsource_MISC
	https://www.debian.org/security/2018/dsa-4099	vendor-advisory, x_refsource_DEBIAN
	https://github.com/FFmpeg/FFmpeg/commit/27f8d386829689c346ff0cef00d3af57b9fb8903	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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          }
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    "cna": {
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        "dateUpdated": "2021-01-05T18:48:11",
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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