CVE编号
CVE-2020-35679利用情况
暂无补丁情况
官方补丁披露时间
2020-12-25漏洞描述
smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups.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://github.com/openbsd/src/commit/79a034b4aed29e965f45a13409268290c9910043 | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://poolp.org/posts/2020-12-24/december-2020-opensmtpd-6.8.0p1-released-f... | |
| https://security.gentoo.org/glsa/202105-12 | |
| https://www.mail-archive.com/[email protected]/msg05188.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 | opensmtpd | opensmtpd | * |
Up to (excluding) 6.8.0 |
|||||
| 运行在以下环境 | |||||||||
| 应用 | opensmtpd | opensmtpd | 6.8.0 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | opensmtpd | * |
Up to (excluding) 6.6.4p1-r1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | opensmtpd | * |
Up to (excluding) 6.6.4p1-r2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | opensmtpd | * |
Up to (excluding) 6.7.1p1-r1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | opensmtpd | * |
Up to (excluding) 6.0.3p1-5+deb10u4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | opensmtpd | * |
Up to (excluding) 6.8.0p1~rc1-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | opensmtpd | * |
Up to (excluding) 6.0.2p1-2+deb9u3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | opensmtpd | * |
Up to (excluding) 6.8.0p1~rc1-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | opensmtpd | * |
Up to (excluding) 6.8.0p2-1.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | opensmtpd | * |
Up to (excluding) 6.8.0p2-1.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_7 | opensmtpd | * |
Up to (excluding) 6.8.0p2-1.el7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_8 | opensmtpd | * |
Up to (excluding) 6.8.0p2-1.el8 |
|||||
- 攻击路径 远程
- 攻击复杂度 容易
- 权限要求 普通权限
- 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
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