CVE编号
CVE-2016-7777利用情况
暂无补丁情况
官方补丁披露时间
2016-10-08漏洞描述
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 4.7.x及之前的版本中存在修改漏洞，该漏洞源于程序未能正确设置CR0.TS和CR0.EM。本地x86 HVM客户端攻击者可利用该漏洞读取或修改FPU、MMX或XMM注册状态信息。
解决建议
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-190.html
参考链接 |
|
|---|---|
| http://www.securityfocus.com/bid/93344 | |
| http://www.securitytracker.com/id/1036942 | |
| http://xenbits.xen.org/xsa/advisory-190.html | |
| https://security.gentoo.org/glsa/201611-09 | |
| https://support.citrix.com/article/CTX217363 |
受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | xen | * |
Up to (excluding) 4.7.0-r5 |
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| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | xen | * |
Up to (excluding) 4.7.0-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | xen | * |
Up to (excluding) 4.7.0-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | xen | * |
Up to (excluding) 4.7.0-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | xen | * |
Up to (excluding) 4.7.0-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | xen | * |
Up to (excluding) 4.7.0-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.4 | xen | * |
Up to (excluding) 4.6.3-r3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.5 | xen | * |
Up to (excluding) 4.7.0-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.6 | xen | * |
Up to (excluding) 4.7.0-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.7 | xen | * |
Up to (excluding) 4.7.0-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.8 | xen | * |
Up to (excluding) 4.7.0-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.9 | xen | * |
Up to (excluding) 4.7.0-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | xen | * |
Up to (excluding) 4.7.0-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian | DPKG | * |
Up to (excluding) 4.8.0~rc3-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_7 | xen | * |
Up to (excluding) 4.1.6.lts1-3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | xen | * |
Up to (excluding) 4.4.1-9+deb8u3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_23 | xen | * |
Up to (excluding) 4.5.5-2.fc23 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_24 | xen | * |
Up to (excluding) 4.6.3-6.fc24 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_25 | xen | * |
Up to (excluding) 4.7.0-6.fc25 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_13.2 | xen | * |
Up to (excluding) 4.4.4_06-58.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.1 | xen | * |
Up to (excluding) 4.5.5_06-18.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.2 | xen | * |
Up to (excluding) 4.7.1_02-3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_11_SP4 | xen | * |
Up to (excluding) 4.4.4_10-43.5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12 | xen | * |
Up to (excluding) 4.9.0_08-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12_SP1 | xen | * |
Up to (excluding) 4.5.5_02-22.3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | sles_12_SP2 | xen | * |
Up to (excluding) 4.7.1_02-25.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_11_SP4 | xen | * |
Up to (excluding) 4.4.4_10-43.5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP1 | xen | * |
Up to (excluding) 4.5.5_02-22.3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP2 | xen | * |
Up to (excluding) 4.7.1_02-25.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_12.04_lts | xen | * |
Up to (excluding) 4.1.6.1-0ubuntu0.12.04.12 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04_lts | xen | * |
Up to (excluding) 4.4.2-0ubuntu0.14.04.7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | xen | * |
Up to (excluding) 4.6.0-1ubuntu4.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04_lts | xen | * |
Up to (excluding) 4.6.0-1ubuntu4.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | xen | xen | * |
Up to (including) 4.7.0 |
|||||
- 攻击路径 本地
- 攻击复杂度 困难
- 权限要求 普通权限
- 影响范围 有限影响
- EXP成熟度 未验证
- 补丁情况 官方补丁
- 数据保密性 无影响
- 数据完整性 无影响
- 服务器危害 无影响
- 全网数量 100
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