CVE编号
CVE-2020-25275利用情况
暂无补丁情况
官方补丁披露时间
2021-01-05漏洞描述
Dovecot是一款开源IMAP和POP3邮件服务器，支持Linux/Unix系统。Dovecot 2.3.13之前版本存在拒绝服务漏洞。该漏洞源于lda、lmtp和imap存在输入验证不当问题。攻击者可通过特制电子邮件利用该漏洞导致程序崩溃。
解决建议
厂商已发布了漏洞修复程序，请及时关注更新：https://dovecot.org/pipermail/dovecot-news/2021-January/000451.html
参考链接 |
|
|---|---|
| http://packetstormsecurity.com/files/160841/Dovecot-2.3.11.3-Denial-Of-Service.html | |
| http://seclists.org/fulldisclosure/2021/Jan/18 | |
| http://www.openwall.com/lists/oss-security/2021/01/04/3 | |
| https://dovecot.org/pipermail/dovecot-news/2021-January/000451.html | |
| https://dovecot.org/security | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://security.gentoo.org/glsa/202101-01 | |
| https://www.debian.org/security/2021/dsa-4825 |
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) 2.3.13 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | dovecot | * |
Up to (excluding) 2.3.13-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | dovecot | * |
Up to (excluding) 2.3.13-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | dovecot | * |
Up to (excluding) 2.3.13-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | dovecot | * |
Up to (excluding) 2.3.13-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | dovecot | * |
Up to (excluding) 2.3.13-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | dovecot | * |
Up to (excluding) 2.3.13-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | dovecot | * |
Up to (excluding) 2.3.13-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | dovecot | * |
Up to (excluding) 2.3.8-9.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian | debian_linux | 10.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | dovecot | * |
Up to (excluding) 1:2.3.4.1-5+deb10u5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | dovecot | * |
Up to (excluding) 2.3.11.3+dfsg1-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | dovecot | * |
Up to (excluding) 1:2.2.27-3+deb9u7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | dovecot | * |
Up to (excluding) 2.3.11.3+dfsg1-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | dovecot | * |
Up to (excluding) 2.3.13-2.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | dovecot | * |
Up to (excluding) 2.3.13-1.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.1 | dovecot | * |
Up to (excluding) 2.3.11.3-lp151.2.15.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | dovecot | * |
Up to (excluding) 2.3.11.3-lp152.2.6.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | dovecot | * |
Up to (excluding) 2.3.8-9.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | dovecot | * |
Up to (excluding) 2.3.8-9.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | dovecot | * |
Up to (excluding) 1:2.2.9-1ubuntu2.6+esm4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04_lts | dovecot | * |
Up to (excluding) 1:2.2.9-1ubuntu2.6+esm4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | dovecot | * |
Up to (excluding) 1:2.2.22-1ubuntu2.14 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04_lts | dovecot | * |
Up to (excluding) 1:2.2.22-1ubuntu2.14 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | dovecot | * |
Up to (excluding) 1:2.2.33.2-1ubuntu4.7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04_lts | dovecot | * |
Up to (excluding) 1:2.2.33.2-1ubuntu4.7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | dovecot | * |
Up to (excluding) 1:2.3.7.2-1ubuntu3.3 |
|||||
- 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 无影响
- 数据完整性 无影响
- 服务器危害 DoS
- 全网数量 N/A
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