低危 nextcloud nextcloud_server 过多认证尝试的限制不恰当
CVE编号
CVE-2021-32703利用情况
暂无补丁情况
官方补丁披露时间
2021-07-13漏洞描述
Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, there was a lack of ratelimiting on the shareinfo endpoint. This may have allowed an attacker to enumerate potentially valid share tokens. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds.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 | nextcloud | nextcloud_server | * | Up to (excluding) 19.0.13 | |||||
| 运行在以下环境 | |||||||||
| 应用 | nextcloud | nextcloud_server | * | From (including) 20.0.0 | Up to (excluding) 20.0.11 | ||||
| 运行在以下环境 | |||||||||
| 应用 | nextcloud | nextcloud_server | * | From (including) 21.0.0 | Up to (excluding) 21.0.3 | ||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | nextcloud | * | Up to (excluding) 19.0.13-1.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33_Modular | nextcloud | * | Up to (excluding) nextcloud_21-3320210712182939.601d93de | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | nextcloud | * | Up to (excluding) 20.0.11-1.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34_Modular | nextcloud | * | Up to (excluding) nextcloud_20-3420210712182853.058368ca | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_Epel_8_Modular | nextcloud | * | Up to (excluding) nextcloud_21-820210712182939.9edba152 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | nextcloud | * | Up to (excluding) 20.0.11-bp153.2.3.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | nextcloud | * | Up to (excluding) 20.0.11-bp153.2.3.1 | |||||
- 攻击路径 远程
- 攻击复杂度 复杂
- 权限要求 无需权限
- 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 传输被破坏
- 服务器危害 DoS
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-307 | 过多认证尝试的限制不恰当 |
| CWE-799 | 交互频率的控制不恰当 |
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