cnvd - cnvd-2017-34128

cnvd-2017-34128

Vulnerability from cnvd

Title: Linux kernel 'tpacket_rcv'函数缓冲区溢出漏洞

Description:

Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。

Linux kernel中的net/packet/af_packet.c文件的'tpacket_rcv'函数存在安全漏洞，该漏洞源于程序未能正确的处理vnet包头。本地攻击者可借助特制的系统调用利用该漏洞造成拒绝服务（缓冲区溢出、磁盘和内存破坏）。

Severity: 高

Patch Name: Linux kernel 'tpacket_rcv'函数缓冲区溢出漏洞的补丁

Patch Description:

Linux kernel是美国Linux基金会发布的操作系统Linux所使用的内核。

Linux kernel中的net/packet/af_packet.c文件的'tpacket_rcv'函数存在安全漏洞，该漏洞源于程序未能正确的处理vnet包头。本地攻击者可借助特制的系统调用利用该漏洞造成拒绝服务（缓冲区溢出、磁盘和内存破坏）。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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=edbd58be15a957f6a760c4a514cd475217eb97fd

Reference: https://nvd.nist.gov/vuln/detail/CVE-2017-14497 http://www.securityfocus.com/bid/100871

Impacted products

Name
Linux kernel <4.13

Show details on source website

JSON

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{
  "bids": {
    "bid": {
      "bidNumber": "100871"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-14497"
    }
  },
  "description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel\u4e2d\u7684net/packet/af_packet.c\u6587\u4ef6\u7684\u0027tpacket_rcv\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u5904\u7406vnet\u5305\u5934\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u7cfb\u7edf\u8c03\u7528\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7f13\u51b2\u533a\u6ea2\u51fa\u3001\u78c1\u76d8\u548c\u5185\u5b58\u7834\u574f\uff09\u3002",
  "discovererName": "Vladis Drono",
  "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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=edbd58be15a957f6a760c4a514cd475217eb97fd",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-34128",
  "openTime": "2017-11-16",
  "patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u53d1\u5e03\u7684\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel\u4e2d\u7684net/packet/af_packet.c\u6587\u4ef6\u7684\u0027tpacket_rcv\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u5904\u7406vnet\u5305\u5934\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u7cfb\u7edf\u8c03\u7528\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7f13\u51b2\u533a\u6ea2\u51fa\u3001\u78c1\u76d8\u548c\u5185\u5b58\u7834\u574f\uff09\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": "Linux kernel \u0027tpacket_rcv\u0027\u51fd\u6570\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux kernel \u003c4.13"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2017-14497\r\nhttp://www.securityfocus.com/bid/100871",
  "serverity": "\u9ad8",
  "submitTime": "2017-09-18",
  "title": "Linux kernel \u0027tpacket_rcv\u0027\u51fd\u6570\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2017-14497 (GCVE-0-2017-14497)

Vulnerability from cvelistv5

Published

2017-09-15 18:00

Modified

2024-08-05 19:27

Severity ?

CWE

Summary

The tpacket_rcv function in net/packet/af_packet.c in the Linux kernel before 4.13 mishandles vnet headers, which might allow local users to cause a denial of service (buffer overflow, and disk and memory corruption) or possibly have unspecified other impact via crafted system calls.

References

▼	URL	Tags
	https://marc.info/?l=linux-kernel&m=150394500728906&w=2	x_refsource_CONFIRM
	https://bugzilla.redhat.com/show_bug.cgi?id=1492593	x_refsource_CONFIRM
	http://seclists.org/oss-sec/2017/q3/476	mailing-list, x_refsource_MLIST
	http://www.securitytracker.com/id/1039371	vdb-entry, x_refsource_SECTRACK
	http://www.securityfocus.com/bid/100871	vdb-entry, x_refsource_BID
	https://source.android.com/security/bulletin/2018-01-01	x_refsource_CONFIRM
	http://www.debian.org/security/2017/dsa-3981	vendor-advisory, x_refsource_DEBIAN
	https://github.com/torvalds/linux/commit/edbd58be15a957f6a760c4a514cd475217eb97fd	x_refsource_CONFIRM
	https://marc.info/?t=150394517700001&r=1&w=2	x_refsource_CONFIRM
	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=edbd58be15a957f6a760c4a514cd475217eb97fd	x_refsource_CONFIRM
	http://www.securitytracker.com/id/1040106	vdb-entry, x_refsource_SECTRACK

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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