Vulnerability-Lookup

CNVD-2016-04448

Vulnerability from cnvd - Published: 2016-07-04

Title

ALSA 'snd_compr_allocate_buffer'函数整数溢出漏洞

Description

ALSA（Advanced Linux Sound Architecture，高级Linux声音架构）是一套用于Linux操作系统中提供了音频和MIDI（Musical Instrument Digital Interface，音乐设备数字化接口）的声卡驱动程序。 ALSA的‘snd_compr_allocate_buffer’函数中存在整数溢出漏洞，该漏洞源于程序未能检查用户提交的32位值。攻击者可利用该漏洞导致缓冲区溢出。

Severity

高

Patch Name

ALSA ‘snd_compr_allocate_buffer’函数整数溢出漏洞的补丁

Patch Description

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://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b35cc8225845112a616e3a2266d2fde5ab13d3ab

Reference

http://www.openwall.com/lists/oss-security/2016/06/28/5

Impacted products

Name
Linux Kernel <3.6-rc6-next-20120917

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2012-6703"
    }
  },
  "description": "ALSA\uff08Advanced Linux Sound Architecture\uff0c\u9ad8\u7ea7Linux\u58f0\u97f3\u67b6\u6784\uff09\u662f\u4e00\u5957\u7528\u4e8eLinux\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u63d0\u4f9b\u4e86\u97f3\u9891\u548cMIDI\uff08Musical Instrument Digital Interface\uff0c\u97f3\u4e50\u8bbe\u5907\u6570\u5b57\u5316\u63a5\u53e3\uff09\u7684\u58f0\u5361\u9a71\u52a8\u7a0b\u5e8f\u3002\r\n\r\nALSA\u7684\u2018snd_compr_allocate_buffer\u2019\u51fd\u6570\u4e2d\u5b58\u5728\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u68c0\u67e5\u7528\u6237\u63d0\u4ea4\u768432\u4f4d\u503c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u3002",
  "discovererName": "Marcus Meissner",
  "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://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b35cc8225845112a616e3a2266d2fde5ab13d3ab",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-04448",
  "openTime": "2016-07-04",
  "patchDescription": "ALSA\uff08Advanced Linux Sound Architecture\uff0c\u9ad8\u7ea7Linux\u58f0\u97f3\u67b6\u6784\uff09\u662f\u4e00\u5957\u7528\u4e8eLinux\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u63d0\u4f9b\u4e86\u97f3\u9891\u548cMIDI\uff08Musical Instrument Digital Interface\uff0c\u97f3\u4e50\u8bbe\u5907\u6570\u5b57\u5316\u63a5\u53e3\uff09\u7684\u58f0\u5361\u9a71\u52a8\u7a0b\u5e8f\u3002\r\n\r\nALSA\u7684\u2018snd_compr_allocate_buffer\u2019\u51fd\u6570\u4e2d\u5b58\u5728\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u68c0\u67e5\u7528\u6237\u63d0\u4ea4\u768432\u4f4d\u503c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\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": "ALSA \u2018snd_compr_allocate_buffer\u2019\u51fd\u6570\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux Kernel \u003c3.6-rc6-next-20120917"
  },
  "referenceLink": "http://www.openwall.com/lists/oss-security/2016/06/28/5",
  "serverity": "\u9ad8",
  "submitTime": "2016-06-30",
  "title": "ALSA \u0027snd_compr_allocate_buffer\u0027\u51fd\u6570\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2012-6703 (GCVE-0-2012-6703)

Vulnerability from cvelistv5 – Published: 2016-06-29 14:00 – Updated: 2024-08-06 21:36

Summary

Integer overflow in the snd_compr_allocate_buffer function in sound/core/compress_offload.c in the ALSA subsystem in the Linux kernel before 3.6-rc6-next-20120917 allows local users to cause a denial of service (insufficient memory allocation) or possibly have unspecified other impact via a crafted SNDRV_COMPRESS_SET_PARAMS ioctl call.

Severity

No CVSS data available.

CWE

Assigner

microfocus

References

7 references

URL	Tags
http://www.openwall.com/lists/oss-security/2016/06/28/6	mailing-listx_refsource_MLIST
http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_CONFIRM
https://github.com/torvalds/linux/commit/b35cc822…	x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=1351076	x_refsource_CONFIRM
https://www.kernel.org/pub/linux/kernel/next/patc…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/91502	vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1036190	vdb-entryx_refsource_SECTRACK

Date Public

2012-09-14 00:00

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date	Other

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.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2016-04448

CVE-2012-6703 (GCVE-0-2012-6703)

Tags

Sightings

Nomenclature