CVE编号
CVE-2021-43566利用情况
暂无补丁情况
N/A披露时间
2022-01-12漏洞描述
All versions of Samba prior to 4.13.16 are vulnerable to a malicious client using an SMB1 or NFS race to allow a directory to be created in an area of the server file system not exported under the share definition. Note that SMB1 has to be enabled, or the share also available via NFS in order for this attack to succeed.解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。
参考链接 |
|
|---|---|
| https://bugzilla.samba.org/show_bug.cgi?id=13979 | |
| https://www.samba.org/samba/history/ | |
| https://www.samba.org/samba/security/CVE-2021-43566.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 | samba | samba | * |
Up to (excluding) 4.13.16 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | samba | * |
Up to (excluding) 4.13.17-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | samba | * |
Up to (excluding) 4.9.5+dfsg-5+deb10u3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | samba | * |
Up to (excluding) 4.13.13+dfsg-1~deb11u3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | samba | * |
Up to (excluding) 4.13.14+dfsg-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | samba | * |
Up to (excluding) 4.5.16+dfsg-1+deb9u2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | samba | * |
Up to (excluding) 4.13.14+dfsg-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | samba | * |
Up to (excluding) 1.19.2-150300.8.3.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | samba | * |
Up to (excluding) 4.15.4 |
|||||
- 攻击路径 本地
- 攻击复杂度 高
- 权限要求 低
- 影响范围 未更改
- 用户交互 无
- 可用性 无
- 保密性 无
- 完整性 低
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