cnvd - cnvd-2016-08188

cnvd-2016-08188

Vulnerability from cnvd

Title: Libav ‘ff_put_pixels8_xy2_mmx()’拒绝服务漏洞

Description:

Libav是Libav团队的一套跨平台的可对音频和视频进行录制、转换的解决方案，它包含了一个libavcodec编码器。

Libav ‘ff_put_pixels8_xy2_mmx()’存在空指针逆向引用，允许攻击者可利用该漏洞可使引用该库的应用程序崩溃，造成拒绝服务攻击。

Severity: 中

Patch Name: Libav ‘ff_put_pixels8_xy2_mmx()’拒绝服务漏洞的补丁

Patch Description:

Libav是Libav团队的一套跨平台的可对音频和视频进行录制、转换的解决方案，它包含了一个libavcodec编码器。

Libav ‘ff_put_pixels8_xy2_mmx()’存在空指针逆向引用，允许攻击者可利用该漏洞可使引用该库的应用程序崩溃，造成拒绝服务攻击。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:

用户可参考如下厂商提供的安全补丁以修复该漏洞： http://libav.org/

Reference: http://www.securityfocus.com/bid/93042

Impacted products

Name
Libav Libav 11.7

Show details on source website

JSON

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{
  "bids": {
    "bid": {
      "bidNumber": "93042"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-7477"
    }
  },
  "description": "Libav\u662fLibav\u56e2\u961f\u7684\u4e00\u5957\u8de8\u5e73\u53f0\u7684\u53ef\u5bf9\u97f3\u9891\u548c\u89c6\u9891\u8fdb\u884c\u5f55\u5236\u3001\u8f6c\u6362\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u5b83\u5305\u542b\u4e86\u4e00\u4e2alibavcodec\u7f16\u7801\u5668\u3002\r\n\r\nLibav \u2018ff_put_pixels8_xy2_mmx()\u2019\u5b58\u5728\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u4f7f\u5f15\u7528\u8be5\u5e93\u7684\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002",
  "discovererName": "Agostino Sarubbo of Gentoo.",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttp://libav.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-08188",
  "openTime": "2016-09-27",
  "patchDescription": "Libav\u662fLibav\u56e2\u961f\u7684\u4e00\u5957\u8de8\u5e73\u53f0\u7684\u53ef\u5bf9\u97f3\u9891\u548c\u89c6\u9891\u8fdb\u884c\u5f55\u5236\u3001\u8f6c\u6362\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u5b83\u5305\u542b\u4e86\u4e00\u4e2alibavcodec\u7f16\u7801\u5668\u3002\r\n\r\nLibav \u2018ff_put_pixels8_xy2_mmx()\u2019\u5b58\u5728\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u4f7f\u5f15\u7528\u8be5\u5e93\u7684\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\uff0c\u9020\u6210\u62d2\u7edd\u670d\u52a1\u653b\u51fb\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": "Libav \u2018ff_put_pixels8_xy2_mmx()\u2019\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Libav Libav 11.7"
  },
  "referenceLink": "http://www.securityfocus.com/bid/93042",
  "serverity": "\u4e2d",
  "submitTime": "2016-09-24",
  "title": "Libav \u2018ff_put_pixels8_xy2_mmx()\u2019\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2016-7477 (GCVE-0-2016-7477)

Vulnerability from cvelistv5

Published

2017-02-15 21:00

Modified

2024-08-06 01:57

Severity ?

CWE

Summary

The ff_put_pixels8_xy2_mmx function in rnd_template.c in Libav 11.7 allows remote attackers to cause a denial of service (invalid memory access and crash) via a crafted mp3 file. NOTE: this issue was originally reported as involving a NULL pointer dereference.

References

▼	URL	Tags
	https://blogs.gentoo.org/ago/2016/09/20/libav-null-pointer-dereference-in-ff_put_pixels8_xy2_mmx-rnd_template-c/	x_refsource_MISC
	http://www.securityfocus.com/bid/93042	vdb-entry, x_refsource_BID
	http://www.openwall.com/lists/oss-security/2016/09/21/6	mailing-list, x_refsource_MLIST

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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