CVE编号
CVE-2020-12673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
在Dovecot 2.3.11.3之前的版本中，发送一个特殊格式的NTLM请求会因为读取越界而导致身份验证服务崩溃。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/security
参考链接 |
|
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00048.html | |
| http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00059.html | |
| https://dovecot.org/security | |
| https://lists.debian.org/debian-lts-announce/2020/08/msg00024.html | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://security.gentoo.org/glsa/202009-02 | |
| https://usn.ubuntu.com/4456-1/ | |
| https://usn.ubuntu.com/4456-2/ | |
| https://www.debian.org/security/2020/dsa-4745 | |
| https://www.openwall.com/lists/oss-security/2020/08/12/2 |
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_3.10 | dovecot | * |
Up to (excluding) 2.3.10.1-r1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | dovecot | * |
Up to (excluding) 2.3.10.1-r1 |
|||||
| 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_3.9 | dovecot | * |
Up to (excluding) 2.3.10.1-r1 |
|||||
| 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 | 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 | * |
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_9 | dovecot | * |
Up to (excluding) 1:2.2.27-3+deb9u6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_31 | dovecot | * |
Up to (excluding) 2.3.11.3-4.fc31 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | dovecot | * |
Up to (excluding) 2.3.11.3-5.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | dovecot | * |
Up to (excluding) 2.3.11.3-5.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.1 | dovecot | * |
Up to (excluding) 2.3.10-lp151.2.12.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | dovecot | * |
Up to (excluding) 2.3.10-lp152.2.3.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | dovecot | * |
Up to (excluding) 2.2.36-6.el7_8.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | dovecot | * |
Up to (excluding) 2.3.8-2.el8_2.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | dovecot | * |
Up to (excluding) 2.3.8-2.el8_2.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | dovecot | * |
Up to (excluding) 2.2.31-19.22.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | dovecot | * |
Up to (excluding) 1:2.2.9-1ubuntu2.6+esm3 |
|||||
| 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_18.04 | 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 |
|||||
- 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
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