CVE编号
CVE-2020-27616利用情况
暂无补丁情况
官方补丁披露时间
2020-11-06漏洞描述
QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）软件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 ati-vga ati_2d_blt() 存在安全漏洞，该漏洞允许攻击者强制读取无效地址，以触发拒绝服务或者获取主机中敏感信息。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.nongnu.org/archive/html/qemu-devel/2020-10/msg06023.html
参考链接 |
|
|---|---|
| http://www.openwall.com/lists/oss-security/2020/11/03/2 | |
| https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg05018.html | |
| https://security.netapp.com/advisory/ntap-20201202-0002/ |
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 | 4.2.1 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | qemu | * |
Up to (excluding) 5.0.0-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | qemu | * |
Up to (excluding) 4.2.1-lp152.9.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | qemu-block-gluster | * |
Up to (excluding) 4.2.1-lp152.9.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | qemu-block-iscsi | * |
Up to (excluding) 4.2.1-lp152.9.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | qemu-block-rbd | * |
Up to (excluding) 4.2.1-lp152.9.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | qemu-common | * |
Up to (excluding) 4.2.1-lp152.9.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | qemu-img | * |
Up to (excluding) 4.2.1-lp152.9.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | qemu-kvm | * |
Up to (excluding) 4.2.1-lp152.9.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | qemu-kvm-core | * |
Up to (excluding) 4.2.1-lp152.9.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | qemu-system-x86 | * |
Up to (excluding) 4.2.1-lp152.9.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | qemu-system-x86-core | * |
Up to (excluding) 4.2.1-lp152.9.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | qemu | * |
Up to (excluding) 4.2.1-4.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | qemu-block-gluster | * |
Up to (excluding) 4.2.1-4.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | qemu-block-iscsi | * |
Up to (excluding) 4.2.1-4.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | qemu-block-rbd | * |
Up to (excluding) 4.2.1-4.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | qemu-common | * |
Up to (excluding) 4.2.1-4.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | qemu-img | * |
Up to (excluding) 4.2.1-4.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | qemu-kvm | * |
Up to (excluding) 4.2.1-4.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | qemu-kvm-core | * |
Up to (excluding) 4.2.1-4.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | qemu-system-x86 | * |
Up to (excluding) 4.2.1-4.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | qemu-system-x86-core | * |
Up to (excluding) 4.2.1-4.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | qemu | * |
Up to (excluding) 1:4.2-3ubuntu6.10 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_20 | qemu | * |
Up to (excluding) 0 |
|||||
- 攻击路径 远程
- 攻击复杂度 复杂
- 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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