cnvd - cnvd-2015-06763

cnvd-2015-06763

Vulnerability from cnvd

Title: Google Chrome FFmpeg竞争条件漏洞

Description:

Google Chrome是一款开源的WEB浏览器。

Google使用的FFmpeg的libavcodec/vp8.c文件中的‘update_dimensions’函数执行multi-threaded操作时依赖coefficient-partition计数，允许远程攻击者可构建特殊WebM文件进行拒绝服务攻击。

Severity: 中

Patch Name: Google Chrome FFmpeg竞争条件漏洞的补丁

Patch Description:

Google Chrome是一款开源的WEB浏览器。Google使用的FFmpeg的libavcodec/vp8.c文件中的‘update_dimensions’函数执行multi-threaded操作时依赖coefficient-partition计数，允许远程攻击者可构建特殊WebM文件进行拒绝服务攻击。目前，厂商已经发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

用户可参考如下厂商提供的安全公告获取补丁以修复该漏洞： http://googlechromereleases.blogspot.com/2015/10/stable-channel-update.html

Reference: http://googlechromereleases.blogspot.com/2015/10/stable-channel-update.html

Impacted products

Name
Google Chrome <46.0.2490.71

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2015-6761"
    }
  },
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  "discovererName": "Google",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u53d6\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttp://googlechromereleases.blogspot.com/2015/10/stable-channel-update.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-06763",
  "openTime": "2015-10-21",
  "patchDescription": "Google Chrome\u662f\u4e00\u6b3e\u5f00\u6e90\u7684WEB\u6d4f\u89c8\u5668\u3002Google\u4f7f\u7528\u7684FFmpeg\u7684libavcodec/vp8.c\u6587\u4ef6\u4e2d\u7684\u2018update_dimensions\u2019\u51fd\u6570\u6267\u884cmulti-threaded\u64cd\u4f5c\u65f6\u4f9d\u8d56coefficient-partition\u8ba1\u6570\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u6784\u5efa\u7279\u6b8aWebM\u6587\u4ef6\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002\u76ee\u524d\uff0c\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Google Chrome FFmpeg\u7ade\u4e89\u6761\u4ef6\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
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  "referenceLink": "http://googlechromereleases.blogspot.com/2015/10/stable-channel-update.html",
  "serverity": "\u4e2d",
  "submitTime": "2015-10-18",
  "title": "Google Chrome FFmpeg\u7ade\u4e89\u6761\u4ef6\u6f0f\u6d1e"
}

CVE-2015-6761 (GCVE-0-2015-6761)

Vulnerability from cvelistv5

Published

2015-10-15 10:00

Modified

2024-08-06 07:29

Severity ?

CWE

Summary

The update_dimensions function in libavcodec/vp8.c in FFmpeg through 2.8.1, as used in Google Chrome before 46.0.2490.71 and other products, relies on a coefficient-partition count during multi-threaded operation, which allows remote attackers to cause a denial of service (race condition and memory corruption) or possibly have unspecified other impact via a crafted WebM file.

References

▼	URL	Tags
	http://googlechromereleases.blogspot.com/2015/10/stable-channel-update.html	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html	mailing-list, x_refsource_MLIST
	https://codereview.chromium.org/1376913003	x_refsource_CONFIRM
	http://www.debian.org/security/2015/dsa-3376	vendor-advisory, x_refsource_DEBIAN
	https://code.google.com/p/chromium/issues/detail?id=532967	x_refsource_CONFIRM
	https://code.google.com/p/chromium/issues/detail?id=447860	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/77073	vdb-entry, x_refsource_BID
	https://security.gentoo.org/glsa/201603-09	vendor-advisory, x_refsource_GENTOO
	http://www.securitytracker.com/id/1033816	vdb-entry, x_refsource_SECTRACK
	http://www.ubuntu.com/usn/USN-2770-1	vendor-advisory, x_refsource_UBUNTU
	http://rhn.redhat.com/errata/RHSA-2015-1912.html	vendor-advisory, x_refsource_REDHAT
	http://www.ubuntu.com/usn/USN-2770-2	vendor-advisory, x_refsource_UBUNTU
	http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=dabea74d0e82ea80cd344f630497cafcb3ef872c	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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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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