低危 secureauth impacket 对路径名的限制不恰当（路径遍历）
CVE编号
CVE-2021-31800利用情况
暂无补丁情况
官方补丁披露时间
2021-05-05漏洞描述
Multiple path traversal vulnerabilities exist in smbserver.py in Impacket through 0.9.22. An attacker that connects to a running smbserver instance can list and write to arbitrary files via ../ directory traversal. This could potentially be abused to achieve arbitrary code execution by replacing /etc/shadow or an SSH authorized key.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。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 | secureauth | impacket | * | Up to (including) 0.9.22 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | py3-impacket | * | Up to (excluding) 0.9.23-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | py3-impacket | * | Up to (excluding) 0.9.23-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | py3-impacket | * | Up to (excluding) 0.9.23-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | py3-impacket | * | Up to (excluding) 0.9.23-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | py3-impacket | * | Up to (excluding) 0.9.23-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | py3-impacket | * | Up to (excluding) 0.9.23-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | impacket | * | Up to (including) 0.9.15-5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | impacket | * | Up to (excluding) 0.9.22-2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | impacket | * | Up to (excluding) 0.9.22-2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | impacket | * | Up to (including) 0.9.15-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | impacket | * | Up to (excluding) 0.9.22-2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | python3-impacket | * | Up to (excluding) 0.9.22-3.fc32 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | python3-impacket | * | Up to (excluding) 0.9.22-3.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | python3-impacket | * | Up to (excluding) 0.9.22-3.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_7 | python36-impacket | * | Up to (excluding) 0.9.22-3.el7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_8 | python-impacket | * | Up to (excluding) 0.9.22-3.el8 | |||||
- 攻击路径 本地
- 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 N/A
- 补丁情况 官方补丁
- 数据保密性 N/A
- 数据完整性 传输被破坏
- 服务器危害 DoS
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-22 | 对路径名的限制不恰当（路径遍历） |
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