中危 Qemu 'load_multiboot'函数任意代码执行漏洞
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 | qemu-kvm | * | Up to (excluding) 1.5.3-156.amzn2.5.4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | qemu-kvm | * | Up to (excluding) 1.5.3-156.15.amzn1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | qemu-kvm | * | Up to (excluding) 1.5.3-156.el7_5.5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | qemu | * | Up to (excluding) 1:2.12~rc3+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | qemu | * | Up to (excluding) 1:2.12~rc3+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | qemu | * | Up to (excluding) 1:2.12~rc3+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_7 | qemu | * | Up to (excluding) 1.1.2+dfsg-6+deb7u25 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | qemu | * | Up to (excluding) 1:2.1+dfsg-12+deb8u7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | qemu | * | Up to (excluding) 1:2.8+dfsg-6+deb9u4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | qemu | * | Up to (excluding) 1:2.12~rc3+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_27 | qemu-system-ppc | * | Up to (excluding) 2.10.2-1.fc27 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10 | qemu-img | * | Up to (excluding) 1.5.3-160.el7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.0 | qemu-s390 | * | Up to (excluding) 1.11.0-lp150.7.6.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.3 | qemu-s390 | * | Up to (excluding) 8-41.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | oraclelinux-release | * | Up to (excluding) 3.1.0-1.el7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | qemu-img | * | 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) 4.4.4_30-61.26.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12 | qemu | * | Up to (excluding) 2.6.2-41.37 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP2 | qemu | * | Up to (excluding) 2.6.2-41.37.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP3 | qemu | * | Up to (excluding) 2.9.1-6.12.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | qemu | * | Up to (excluding) 2.0.0+dfsg-2ubuntu1.41 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04.6_lts | qemu | * | Up to (excluding) 2.0.0+dfsg-2ubuntu1.41 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | qemu | * | Up to (excluding) 1:2.5+dfsg-5ubuntu10.28 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | qemu | * | Up to (excluding) 1:2.5+dfsg-5ubuntu10.28 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | qemu | * | Up to (excluding) 1:2.11+dfsg-1ubuntu7.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | qemu | * | Up to (excluding) 1:2.11+dfsg-1ubuntu7.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.10 | qemu | * | Up to (excluding) 1:2.11+dfsg-1ubuntu9 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | qemu | * | Up to (excluding) 1:2.11+dfsg-1ubuntu9 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | qemu | * | 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
| CWE-ID | 漏洞类型 |
| CWE-125 | 跨界内存读 |
| CWE-787 | 跨界内存写 |
Exp相关链接
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