CVE编号
CVE-2021-34549利用情况
暂无补丁情况
官方补丁披露时间
2021-06-29漏洞描述
An issue was discovered in Tor before 0.4.6.5, aka TROVE-2021-005. Hashing is mishandled for certain retrieval of circuit data. Consequently. an attacker can trigger the use of an attacker-chosen circuit ID to cause algorithm inefficiency.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://blog.torproject.org/node/2041 | |
| https://gitlab.torproject.org/tpo/core/tor/-/issues/40391 | |
| https://security.gentoo.org/glsa/202107-25 |
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 | torproject | tor | * |
Up to (excluding) 0.3.5.15 |
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| 运行在以下环境 | |||||||||
| 应用 | torproject | tor | * |
From (including) 0.4.0.0 |
Up to (excluding) 0.4.4.9 |
||||
| 运行在以下环境 | |||||||||
| 应用 | torproject | tor | * |
From (including) 0.4.5.0 |
Up to (excluding) 0.4.5.9 |
||||
| 运行在以下环境 | |||||||||
| 应用 | torproject | tor | * |
From (including) 0.4.6.0 |
Up to (excluding) 0.4.6.5 |
||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | tor | * |
Up to (excluding) 0.4.4.9-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | tor | * |
Up to (excluding) 0.4.4.9-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | tor | * |
Up to (excluding) 0.3.5.15-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | tor | * |
Up to (excluding) 0.4.5.8-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | tor | * |
Up to (excluding) 0.2.9.16-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | tor | * |
Up to (excluding) 0.4.5.9-1.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | tor | * |
Up to (excluding) 0.4.5.9-1.fc34 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_7 | tor | * |
Up to (excluding) 0.3.5.15-1.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_8 | tor | * |
Up to (excluding) 0.4.5.10-1.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_8 | tor | * |
Up to (excluding) 0.4.5.9-1.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | tor | * |
Up to (excluding) 0.4.5.9-lp152.2.12.1 |
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- 攻击路径 远程
- 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 无影响
- 数据完整性 无影响
- 服务器危害 服务器失陷
- 全网数量 N/A
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