低危 exim exim 整数溢出或超界折返
CVE编号
CVE-2020-28009利用情况
暂无补丁情况
官方补丁披露时间
2021-05-06漏洞描述
Exim 4 before 4.94.2 allows Integer Overflow to Buffer Overflow because get_stdinput allows unbounded reads that are accompanied by unbounded increases in a certain size variable. NOTE: exploitation may be impractical because of the execution time needed to overflow (multiple days).解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。
参考链接 |
|
|---|---|
| https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28009-STDIN.txt |
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 | * | From (including) 4.00 | Up to (excluding) 4.94.2 | ||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | exim | * | Up to (excluding) 4.94.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | exim | * | Up to (excluding) 4.94.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | exim | * | Up to (excluding) 4.94.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | exim | * | Up to (excluding) 4.94.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | exim | * | Up to (excluding) 4.94.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | exim | * | Up to (excluding) 4.94.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | exim | * | Up to (excluding) 4.94.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | amazon_AMI | exim | * | Up to (excluding) 4.92-1.33.amzn1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | exim4 | * | Up to (excluding) 4.92-8+deb10u6 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | exim4 | * | Up to (excluding) 4.94.2-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | exim4 | * | Up to (excluding) 4.94.2-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | exim4 | * | Up to (excluding) 4.89-2+deb9u8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | exim4 | * | Up to (excluding) 4.94.2-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | eximstats-html | * | Up to (excluding) 4.94.2-lp152.8.3.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | exim4 | * | Up to (excluding) 4.90.1-1ubuntu1.8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | exim4 | * | Up to (excluding) 4.90.1-1ubuntu1.8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | exim4 | * | Up to (excluding) 4.93-13ubuntu1.5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | exim4 | * | Up to (excluding) 4.94-15ubuntu1.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.10 | exim4 | * | Up to (excluding) 4.94-15ubuntu1.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_22.04 | exim4 | * | Up to (excluding) 4.94-15ubuntu1.2 | |||||
- 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 N/A
| CWE-ID | 漏洞类型 |
| CWE-190 | 整数溢出或超界折返 |
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