低危 dovecot dovecot 对路径名的限制不恰当（路径遍历）
CVE编号
CVE-2021-29157利用情况
暂无补丁情况
官方补丁披露时间
2021-06-28漏洞描述
Dovecot before 2.3.15 allows ../ Path Traversal. An attacker with access to the local filesystem can trick OAuth2 authentication into using an HS256 validation key from an attacker-controlled location. This occurs during use of local JWT validation with the posix fs driver.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 | dovecot | dovecot | * | From (including) 2.3.11 | Up to (excluding) 2.3.15 | ||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | dovecot | * | Up to (excluding) 2.3.15-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | dovecot | * | Up to (excluding) 2.3.15-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | dovecot | * | Up to (excluding) 2.3.15-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | dovecot | * | Up to (excluding) 2.3.15-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | dovecot | * | Up to (excluding) 2.3.15-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | dovecot | * | Up to (excluding) 2.3.15-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | dovecot | * | Up to (excluding) 2.3.15-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | dovecot | * | Up to (excluding) 2.3.15-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | dovecot | * | Up to (excluding) 2.3.15-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | dovecot | * | Up to (excluding) 2.3.4.1-5+deb10u6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | dovecot | * | Up to (excluding) 1:2.3.13+dfsg1-2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | dovecot | * | Up to (excluding) 1:2.3.13+dfsg1-2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | dovecot | * | Up to (excluding) 1:2.3.13+dfsg1-2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | dovecot | * | Up to (excluding) 2.3.15-1.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | dovecot-pigeonhole | * | Up to (excluding) 2.3.15-1.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | dovecot23-fts-lucene | * | Up to (excluding) 2.3.11.3-lp152.2.9.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | dovecot23-fts-lucene | * | Up to (excluding) 2.3.11.3-55.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | dovecot | * | Up to (excluding) 1:2.3.13+dfsg1-1ubuntu1.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.10 | dovecot | * | Up to (excluding) 2.3.13+dfsg1-1ubuntu2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.04 | dovecot | * | Up to (excluding) 2.3.13+dfsg1-1ubuntu2 | |||||
- 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 无影响
- 服务器危害 无影响
- 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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