低危 Dovecot拒绝服务漏洞
CVE编号
CVE-2020-12100利用情况
暂无补丁情况
官方补丁披露时间
2020-08-13漏洞描述
Dovecot是一款开源的基于类Linux/UNIX系统的IMAP和POP3邮件服务器。 Dovecot 2.3.11.3之前版本中存在安全漏洞。远程攻击者可借助特制的e-mail消息利用该漏洞造成拒绝服务（资源消耗）。解决建议
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://dovecot.org/pipermail/dovecot-news/2020-August/000441.html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) 2.3.11.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alibaba_cloud_linux_2.1903 | dovecot | * | Up to (excluding) 2.2.36-6.1.al7.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | dovecot | * | Up to (excluding) 2.3.11.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | dovecot | * | Up to (excluding) 2.3.11.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | dovecot | * | Up to (excluding) 2.3.11.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | dovecot | * | Up to (excluding) 2.3.11.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | dovecot | * | Up to (excluding) 2.3.11.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | dovecot | * | Up to (excluding) 2.3.11.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | dovecot | * | Up to (excluding) 2.3.11.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | dovecot | * | Up to (excluding) 2.3.11.3-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_2 | dovecot | * | Up to (excluding) 2.2.36-6.amzn2.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | dovecot | * | Up to (excluding) 2.2.36-6.21.amzn1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8 | dovecot-pigeonhole | * | Up to (excluding) 2.3.8-2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | anolis_os_8.2 | dovecot-pgsql | * | Up to (excluding) 2.3.8-2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | dovecot | * | Up to (excluding) 2.2.36-6.el7_8.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | dovecot-pgsql-debuginfo | * | Up to (excluding) 2.3.8-2.el8_2.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | dovecot | * | Up to (excluding) 1:2.3.4.1-5+deb10u3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | dovecot | * | Up to (excluding) 1:2.3.11.3+dfsg1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | dovecot | * | Up to (excluding) 1:2.3.11.3+dfsg1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | dovecot | * | Up to (excluding) 1:2.2.27-3+deb9u6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | dovecot | * | Up to (excluding) 1:2.3.11.3+dfsg1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_31 | dovecot-pigeonhole-debuginfo | * | Up to (excluding) 2.3.11.3-4.fc31 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | dovecot-pigeonhole-debuginfo | * | Up to (excluding) 2.3.11.3-5.fc32 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | dovecot-pigeonhole-debuginfo | * | Up to (excluding) 2.3.11.3-5.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.1 | dovecot23-fts-squat | * | Up to (excluding) 2.3.11.3-lp151.2.15.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | dovecot23-fts-squat | * | Up to (excluding) 2.3.11.3-lp152.2.6.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | oraclelinux-release | * | Up to (excluding) 2.2.36-6.el7_8.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | oraclelinux-release | * | Up to (excluding) 2.3.8-2.el8_2.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | dovecot | * | Up to (excluding) 2.2.36-6.el7_8.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | dovecot-pgsql-debuginfo | * | Up to (excluding) 2.3.8-2.el8_2.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | dovecot | * | Up to (excluding) 1:2.2.22-1ubuntu2.13 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | dovecot | * | Up to (excluding) 1:2.2.22-1ubuntu2.13 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | dovecot | * | Up to (excluding) 1:2.2.33.2-1ubuntu4.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | dovecot | * | Up to (excluding) 1:2.2.33.2-1ubuntu4.6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | dovecot | * | Up to (excluding) 1:2.3.7.2-1ubuntu3.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_d | dovecot | * | Up to (excluding) 1:2.3.4.1-5+deb10u6 | |||||
- 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 无影响
- 服务器危害 无影响
- 全网数量 100
| CWE-ID | 漏洞类型 |
| CWE-674 | 未经控制的递归 |
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