CVE编号
CVE-2020-35517利用情况
暂无补丁情况
官方补丁披露时间
2021-01-29漏洞描述
QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。QEMU存在访问控制错误漏洞，攻击者可利用该漏洞可以通过virtiofsd绕过访问限制，以便读取或更改主机系统上的数据。
解决建议
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg05461.html
参考链接 |
|
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1915823 | |
| https://github.com/qemu/qemu/commit/ebf101955ce8f8d72fba103b5151115a4335de2c | |
| https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg05461.html | |
| https://security.netapp.com/advisory/ntap-20210312-0002/ | |
| https://www.openwall.com/lists/oss-security/2021/01/22/1 |
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 | - | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | qemu | * |
Up to (excluding) 4.2.0-34.1.al8.4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | qemu | * |
Up to (excluding) 5.2.0-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | qemu | * |
Up to (excluding) 6.0.0-28.module+el8.3.0+7827+5e65edd7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | libguestf | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | libguestfs-benchmarking | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | libguestfs-gfs2 | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | libguestfs-inspect-icons | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | libguestfs-javadoc | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | libguestfs-man-pages-uk | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | libguestfs-tools | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | libnbd | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | libvirt-admin | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | libvirt-client | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | libvirt-daemon-driver-network | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | libvirt-daemon-driver-nodedev | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | libvirt-daemon-driver-storage | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | libvirt-daemon-driver-storage-disk | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | libvirt-devel | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | libvirt-docs | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | nbdfuse | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | nbdkit-basic-filters | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | nbdkit-python-plugin | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | perl-hivex | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | perl-Sys-Virt | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | python3-libguestfs | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | qemu-kvm-block-gluster | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | qemu-kvm-block-rbd | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | ruby-hivex | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | ruby-libguestfs | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | supermin | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | virt-dib | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | virt-v2v | * |
Up to (excluding) 6.0.0-28.0.1.module+el8.3.0+7860+a7792d29 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | qemu | * |
Up to (excluding) 6.0.0-28.module+el8.3.0+7827+5e65edd7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | qemu | * |
Up to (excluding) 1:5.2+dfsg-6ubuntu2 |
|||||
- 攻击路径 远程
- 攻击复杂度 容易
- 权限要求 无需权限
- 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 N/A
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