严重 Exim 远程命令执行漏洞
CVE编号
CVE-2018-6789利用情况
EXP 已公开补丁情况
官方补丁披露时间
2018-02-09漏洞描述
在Exim 4.90及更早版本的SMTP listener中发现了一个问题。通过发送精心制作的消息，可能在特定功能中发生缓冲区溢出。这可以用于远程执行代码。解决建议
目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： https://devco.re/blog/2018/03/06/exim-off-by-one-RCE-exploiting-CVE-2018-6789-en/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 | exim | exim | * | Up to (excluding) 4.90.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | exim | * | Up to (excluding) 4.90.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | exim | * | Up to (excluding) 4.90.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | exim | * | Up to (excluding) 4.90.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | exim | * | Up to (excluding) 4.90.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | exim | * | Up to (excluding) 4.90.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | exim | * | Up to (excluding) 4.90.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | exim | * | Up to (excluding) 4.90.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | exim | * | Up to (excluding) 4.90.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | exim | * | Up to (excluding) 4.90.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.7 | exim | * | Up to (excluding) 4.90.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.8 | exim | * | Up to (excluding) 4.90.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.9 | exim | * | Up to (excluding) 4.90.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | exim | * | Up to (excluding) 4.90.1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | exim | * | Up to (excluding) 4.90.1-2.14.amzn1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | exim4 | * | Up to (excluding) 4.90.1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | exim4 | * | Up to (excluding) 4.90.1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | exim4 | * | Up to (excluding) 4.90.1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_7 | exim4 | * | Up to (excluding) 4.80-7+deb7u6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | exim4 | * | Up to (excluding) 4.84.2-2+deb8u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | exim4 | * | Up to (excluding) 4.89-2+deb9u3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | exim4 | * | Up to (excluding) 4.90.1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_26 | exim-greylist | * | Up to (excluding) 4.90.1-1.fc26 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_27 | exim-greylist | * | Up to (excluding) 4.90.1-1.fc27 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_6 | exim-greylist | * | Up to (excluding) 4.90.1-1.el6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_7 | exim-greylist | * | Up to (excluding) 4.90.1-1.el7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | eximon | * | Up to (excluding) 4.94.2-lp152.8.3.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_42.3 | eximon | * | Up to (excluding) 4.86.2-20.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | exim4 | * | Up to (excluding) 4.82-3ubuntu2.4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04.6_lts | exim4 | * | Up to (excluding) 4.82-3ubuntu2.4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | exim4 | * | Up to (excluding) 4.86.2-2ubuntu2.3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | exim4 | * | Up to (excluding) 4.86.2-2ubuntu2.3 | |||||
- 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
| CWE-ID | 漏洞类型 |
| CWE-119 | 内存缓冲区边界内操作的限制不恰当 |
Exp相关链接
- https://github.com//synacktiv/Exim-CVE-2018-6789
- https://github.com/beraphin/CVE-2018-6789
- https://github.com/c0llision/exim-vuln-poc
- https://github.com/martinclauss/exim-rce-cve-2018-6789
- https://github.com/skysider/VulnPOC/tree/master/CVE-2018-6789
- https://github.com/synacktiv/Exim-CVE-2018-6789
- https://www.exploit-db.com/exploits/44571
- https://www.exploit-db.com/exploits/45671
- https://www.hackthebox.eu/home/machines/profile/163
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