CVE编号
CVE-2018-7550利用情况
暂无补丁情况
官方补丁披露时间
2018-03-02漏洞描述
Quick Emulator（又称为QEMU）的hw / i386 / multiboot.c中的load_multiboot函数允许本地来宾OS用户通过大于mh_bss_end_addr的mh_load_end_addr值在QEMU主机上执行任意代码，其触发越界读或写内存访问。解决建议
厂商已发布漏洞修复程序，请及时关注更新：https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.html
参考链接 |
|
|---|---|
| http://www.securityfocus.com/bid/103181 | |
| https://access.redhat.com/errata/RHSA-2018:1369 | |
| https://access.redhat.com/errata/RHSA-2018:2462 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1549798 | |
| https://lists.debian.org/debian-lts-announce/2018/04/msg00015.html | |
| https://lists.debian.org/debian-lts-announce/2018/04/msg00016.html | |
| https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html | |
| https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.html | |
| https://usn.ubuntu.com/3649-1/ | |
| https://www.debian.org/security/2018/dsa-4213 |
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 | |||||||||
| 应用 | qemu | qemu | * |
Up to (including) 2.11.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | kvm | * |
Up to (excluding) 1.5.3-156.amzn2.5.4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | kvm | * |
Up to (excluding) 1.5.3-156.15.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | kvm | * |
Up to (excluding) 1.5.3-156.el7_5.5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_7 | kvm | * |
Up to (excluding) 1.1.2+dfsg-6+deb7u25 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | kvm | * |
Up to (excluding) 1:2.1+dfsg-12+deb8u7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | kvm | * |
Up to (excluding) 1:2.8+dfsg-6+deb9u4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_27 | kvm | * |
Up to (excluding) 2.10.2-1.fc27 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.0 | kvm | * |
Up to (excluding) 2.11.2-lp150.7.6.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.3 | kvm | * |
Up to (excluding) 2.9.1-41.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | kvm | * |
Up to (excluding) 1.5.3-156.el7_5.5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_11_SP4 | kvm | * |
Up to (excluding) 1.4.2-60.9.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP2 | kvm | * |
Up to (excluding) 1.9.1-41.37.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP3 | kvm | * |
Up to (excluding) 2.9.1-6.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | kvm | * |
Up to (excluding) 2.0.0+dfsg-2ubuntu1.41 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | kvm | * |
Up to (excluding) 1:2.5+dfsg-5ubuntu10.28 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | kvm | * |
Up to (excluding) 1:2.11+dfsg-1ubuntu7.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | kvm | * |
Up to (excluding) 1:2.11+dfsg-1ubuntu9 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | kvm | * |
Up to (excluding) 1:2.11+dfsg-1ubuntu9 |
|||||
- 攻击路径 本地
- 攻击复杂度 复杂
- 权限要求 普通权限
- 影响范围 越权影响
- 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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