CVE编号
CVE-2020-14364利用情况
暂无补丁情况
官方补丁披露时间
2020-09-01漏洞描述
在5.2.0之前的版本中，QEMU的USB仿真器中发现了超出范围的读/写访问漏洞。在do_token_in，do_token_out例程中USBDevice'setup_len'超过其'data_buf [4096]'时，处理guest的USB数据包时会发生此问题。此缺陷使来宾用户可以使QEMU进程崩溃，从而导致拒绝服务，或可能在主机上利用QEMU进程的特权执行任意代码。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：http://xenbits.xen.org/xsa/advisory-335.html
参考链接 |
|
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00024.html | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1869201 | |
| https://lists.debian.org/debian-lts-announce/2020/09/msg00013.html | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://security.gentoo.org/glsa/202009-14 | |
| https://security.gentoo.org/glsa/202011-09 | |
| https://security.netapp.com/advisory/ntap-20200924-0006/ | |
| https://usn.ubuntu.com/4511-1/ | |
| https://www.debian.org/security/2020/dsa-4760 | |
| https://www.openwall.com/lists/oss-security/2020/08/24/2 | |
| https://www.openwall.com/lists/oss-security/2020/08/24/3 |
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 (excluding) 5.2.0 |
|||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | openstack | 10 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | redhat | openstack | 13 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | xen | * |
Up to (excluding) 1.5.3-175.1.al7.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | xen | * |
Up to (excluding) 4.12.3-r3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | xen | * |
Up to (excluding) 4.13.1-r3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | xen | * |
Up to (excluding) 5.0.0-r2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | xen | * |
Up to (excluding) 5.1.0-r1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | xen | * |
Up to (excluding) 4.13.1-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | xen | * |
Up to (excluding) 5.1.0-r1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.9 | xen | * |
Up to (excluding) 4.11.4-r1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | xen | * |
Up to (excluding) 4.13.1-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | xen | * |
Up to (excluding) 3.1.0-8.amzn2.0.5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | xen | * |
Up to (excluding) 1.5.3-156.24.amzn1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_6 | xen | * |
Up to (excluding) 0.12.1.2-2.506.el6_10.8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | xen | * |
Up to (excluding) 1.38.4-15.module+el8.2.0+5297+222a20af |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | xen | * |
Up to (excluding) 1:3.1+dfsg-8+deb10u8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | xen | * |
Up to (excluding) 1:2.8+dfsg-6+deb9u11 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_31 | xen | * |
Up to (excluding) 4.12.3-4.fc31 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | xen | * |
Up to (excluding) 4.13.1-5.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | xen | * |
Up to (excluding) 4.2.1-lp152.9.6.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | xen | * |
Up to (excluding) 5.2.0-17.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_6 | xen | * |
Up to (excluding) 0.12.1.2-2.506.el6_10.8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | xen | * |
Up to (excluding) 1.5.3-175.el7_9.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | xen | * |
Up to (excluding) 2.12.0-99.0.1.module+el8.2.0+7798+88bea828.4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | xen | * |
Up to (excluding) 1.38.4-15.module+el8.2.0+5297+222a20af |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | xen | * |
Up to (excluding) 4.12.3_08-3.24.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | xen | * |
Up to (excluding) 2.0.0+dfsg-2ubuntu1.47+esm1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | xen | * |
Up to (excluding) 1:2.5+dfsg-5ubuntu10.46 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | xen | * |
Up to (excluding) 1:2.11+dfsg-1ubuntu7.32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | xen | * |
Up to (excluding) 1:4.2-3ubuntu6.6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | xen | * |
Up to (excluding) 1:5.0-5ubuntu9 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_20 | xen | * |
Up to (excluding) 1:3.1+dfsg.1-1+dde |
|||||
- 攻击路径 本地
- 攻击复杂度 困难
- 权限要求 管控权限
- 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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