cnvd - cnvd-2016-07435

cnvd-2016-07435

Vulnerability from cnvd

Title: Xen本地权限提升漏洞（CNVD-2016-07435）

Description:

Xen是英国剑桥大学开发的一款开源的虚拟机监视器产品。该产品能够使不同和不兼容的操作系统运行在同一台计算机上，并支持在运行时进行迁移，保证正常运行并且避免宕机

Xen存在本地提权漏洞。本地攻击者可利用该漏洞获取受影响计算机的权限。

Severity: 中

Patch Name: Xen本地权限提升漏洞（CNVD-2016-07435）的补丁

Patch Description:

Xen存在本地提权漏洞。本地攻击者可利用该漏洞获取受影响计算机的权限。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:

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： http://xenbits.xen.org/xsa/advisory-186.html

Reference: http://www.securityfocus.com/bid/92865

Impacted products

Name
['Xen Xen 4.7', 'Xen Xen 4.6.3', 'Xen Xen 4.5.3']

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "92865"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-7093"
    }
  },
  "description": "Xen\u662f\u82f1\u56fd\u5251\u6865\u5927\u5b66\u5f00\u53d1\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u865a\u62df\u673a\u76d1\u89c6\u5668\u4ea7\u54c1\u3002\u8be5\u4ea7\u54c1\u80fd\u591f\u4f7f\u4e0d\u540c\u548c\u4e0d\u517c\u5bb9\u7684\u64cd\u4f5c\u7cfb\u7edf\u8fd0\u884c\u5728\u540c\u4e00\u53f0\u8ba1\u7b97\u673a\u4e0a\uff0c\u5e76\u652f\u6301\u5728\u8fd0\u884c\u65f6\u8fdb\u884c\u8fc1\u79fb\uff0c\u4fdd\u8bc1\u6b63\u5e38\u8fd0\u884c\u5e76\u4e14\u907f\u514d\u5b95\u673a\r\n\r\nXen\u5b58\u5728\u672c\u5730\u63d0\u6743\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u53d7\u5f71\u54cd\u8ba1\u7b97\u673a\u7684\u6743\u9650\u3002",
  "discovererName": "Brian Marcotte",
  "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://xenbits.xen.org/xsa/advisory-186.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-07435",
  "openTime": "2016-09-12",
  "patchDescription": "Xen\u662f\u82f1\u56fd\u5251\u6865\u5927\u5b66\u5f00\u53d1\u7684\u4e00\u6b3e\u5f00\u6e90\u7684\u865a\u62df\u673a\u76d1\u89c6\u5668\u4ea7\u54c1\u3002\u8be5\u4ea7\u54c1\u80fd\u591f\u4f7f\u4e0d\u540c\u548c\u4e0d\u517c\u5bb9\u7684\u64cd\u4f5c\u7cfb\u7edf\u8fd0\u884c\u5728\u540c\u4e00\u53f0\u8ba1\u7b97\u673a\u4e0a\uff0c\u5e76\u652f\u6301\u5728\u8fd0\u884c\u65f6\u8fdb\u884c\u8fc1\u79fb\uff0c\u4fdd\u8bc1\u6b63\u5e38\u8fd0\u884c\u5e76\u4e14\u907f\u514d\u5b95\u673a\r\n\r\nXen\u5b58\u5728\u672c\u5730\u63d0\u6743\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u53d7\u5f71\u54cd\u8ba1\u7b97\u673a\u7684\u6743\u9650\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": "Xen\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2016-07435\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Xen Xen 4.7",
      "Xen Xen  4.6.3",
      "Xen Xen  4.5.3"
    ]
  },
  "referenceLink": "http://www.securityfocus.com/bid/92865",
  "serverity": "\u4e2d",
  "submitTime": "2016-09-09",
  "title": "Xen\u672c\u5730\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff08CNVD-2016-07435\uff09"
}

CVE-2016-7093 (GCVE-0-2016-7093)

Vulnerability from cvelistv5

Published

2016-09-21 14:00

Modified

2024-08-06 01:50

Severity ?

CWE

Summary

Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain host OS privileges by leveraging mishandling of instruction pointer truncation during emulation.

References

▼	URL	Tags
	http://xenbits.xen.org/xsa/advisory-186.html	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/92865	vdb-entry, x_refsource_BID
	http://xenbits.xen.org/xsa/xsa186-0001-x86-emulate-Correct-boundary-interactions-of-emulate.patch	x_refsource_CONFIRM
	http://support.citrix.com/article/CTX216071	x_refsource_CONFIRM
	http://www.securitytracker.com/id/1036752	vdb-entry, x_refsource_SECTRACK
	https://security.gentoo.org/glsa/201611-09	vendor-advisory, x_refsource_GENTOO

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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