CVE编号
CVE-2020-7247利用情况
EXP 已公开补丁情况
官方补丁披露时间
2020-01-30漏洞描述
smtp_mailaddr在OpenSMTPD 6.6 smtp_session.c，如在OpenBSD的6.6和其它产品中使用的，允许远程攻击者通过制作SMTP会话执行任意命令为根，通过在MAIL FROM字段shell字符所证明。这会影响“注释掉”默认配置。这个问题的存在，因为在输入验证失败的不正确的返回值。解决建议
下载相关补丁
参考链接 |
|
|---|---|
| http://packetstormsecurity.com/files/156137/OpenBSD-OpenSMTPD-Privilege-Escal... | |
| http://packetstormsecurity.com/files/156145/OpenSMTPD-6.6.2-Remote-Code-Execu... | |
| http://packetstormsecurity.com/files/156249/OpenSMTPD-MAIL-FROM-Remote-Code-E... | |
| http://packetstormsecurity.com/files/156295/OpenSMTPD-6.6.1-Local-Privilege-E... | |
| http://packetstormsecurity.com/files/162093/OpenBSD-OpenSMTPD-6.6-Remote-Code... | |
| http://seclists.org/fulldisclosure/2020/Jan/49 | |
| http://www.openwall.com/lists/oss-security/2020/01/28/3 | |
| https://github.com/openbsd/src/commit/9dcfda045474d8903224d175907bfc29761dcb45 | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://seclists.org/bugtraq/2020/Jan/51 | |
| https://usn.ubuntu.com/4268-1/ | |
| https://www.debian.org/security/2020/dsa-4611 | |
| https://www.kb.cert.org/vuls/id/390745 | |
| https://www.openbsd.org/security.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 | openbsd | opensmtpd | 6.6 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | opensmtpd | * |
Up to (excluding) 6.6.2p1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | opensmtpd | * |
Up to (excluding) 6.6.2p1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | opensmtpd | * |
Up to (excluding) 6.6.2p1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | opensmtpd | * |
Up to (excluding) 6.6.2p1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | opensmtpd | * |
Up to (excluding) 6.6.2p1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | opensmtpd | * |
Up to (excluding) 6.6.2p1-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | opensmtpd | * |
Up to (excluding) 6.0.3p1-5+deb10u3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | opensmtpd | * |
Up to (excluding) 6.0.2p1-2+deb9u2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | opensmtpd | * |
Up to (excluding) 6.6.4p1-2.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_7 | opensmtpd | * |
Up to (excluding) 1.0.4-2.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_8 | opensmtpd | * |
Up to (excluding) 6.6.4p1-1.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | opensmtpd | * |
Up to (excluding) 6.0.3p1-1ubuntu0.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_20 | opensmtpd | * |
Up to (excluding) 6.0.3p1-5+deb10u4 |
|||||
- 攻击路径 远程
- 攻击复杂度 容易
- 权限要求 无需权限
- 影响范围 全局影响
- EXP成熟度 EXP 已公开
- 补丁情况 官方补丁
- 数据保密性 数据泄露
- 数据完整性 传输被破坏
- 服务器危害 服务器失陷
- 全网数量 N/A
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