CVE编号
CVE-2020-28200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
The Sieve engine in Dovecot before 2.3.15 allows Uncontrolled Resource Consumption, as demonstrated by a situation with a complex regular expression for the regex extension.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://dovecot.org/security | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://www.openwall.com/lists/oss-security/2021/06/28/3 |
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 | * |
Up to (excluding) 2.3.15 |
|||||
| 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) 2.3.13+dfsg1-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | dovecot | * |
Up to (excluding) 2.3.13+dfsg1-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | dovecot | * |
Up to (excluding) 2.2.27-3+deb9u5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | dovecot | * |
Up to (excluding) 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 | * |
Up to (excluding) 2.3.15-1.fc34 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | dovecot | * |
Up to (excluding) 2.3.15-lp152.2.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | dovecot | * |
Up to (excluding) 2.3.15-58.3 |
|||||
- 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 全局影响
- 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
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