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。
参考链接 |
|
|---|---|
| https://github.com/SecureAuthCorp/impacket/blob/cb6d43a677c338db930bc4e916162... | |
| https://github.com/SecureAuthCorp/impacket/blob/cb6d43a677c338db930bc4e916162... | |
| https://github.com/SecureAuthCorp/impacket/blob/cb6d43a677c338db930bc4e916162... | |
| https://github.com/SecureAuthCorp/impacket/blob/cb6d43a677c338db930bc4e916162... | |
| https://github.com/SecureAuthCorp/impacket/commit/49c643bf66620646884ed141c94... | |
| https://github.com/SecureAuthCorp/impacket/releases | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... |
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 | impacket | * |
Up to (excluding) 0.9.23-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | impacket | * |
Up to (excluding) 0.9.23-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | impacket | * |
Up to (excluding) 0.9.23-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | impacket | * |
Up to (excluding) 0.9.15-5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | impacket | * |
Up to (excluding) 0.9.22-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | impacket | * |
Up to (excluding) 0.9.15-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | impacket | * |
Up to (excluding) 0.9.22-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | impacket | * |
Up to (excluding) 0.9.22-3.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | impacket | * |
Up to (excluding) 0.9.22-3.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | impacket | * |
Up to (excluding) 0.9.22-3.fc34 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_7 | impacket | * |
Up to (excluding) 0.9.22-3.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_8 | 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
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