中危 SaltStack Salt Master 文件读取漏洞
CVE编号
CVE-2020-11652利用情况
EXP 已公开补丁情况
官方补丁披露时间
2020-05-01漏洞描述
SaltStack Salt（又名SaltStack）是一套开源的服务器基础架构集中化管理平台。SaltStack Salt 2019.2.4 之前版本，3000.2之前版本在实现中存在安全漏洞，该漏洞源于salt-master进程中ClearFuncs类允许访问某些未正确过滤路径的方法。经过身份验证的攻击者利用此漏洞可以访问任意目录。解决建议
升级SaltStack至安全版本3000.2/2019.2.4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 | saltstack | salt | * | Up to (excluding) 2019.2.4 | |||||
| 运行在以下环境 | |||||||||
| 应用 | saltstack | salt | * | From (including) 3000 | Up to (excluding) 3000.2 | ||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | salt | * | Up to (excluding) 2019.2.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | salt | * | Up to (excluding) 2019.2.4-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | salt | * | Up to (excluding) 3000.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | salt | * | Up to (excluding) 3000.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | salt | * | Up to (excluding) 3000.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | salt | * | Up to (excluding) 3000.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | salt | * | Up to (excluding) 3000.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | salt | * | Up to (excluding) 3000.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | salt | * | Up to (excluding) 3000.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | salt | * | Up to (excluding) 3000.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | salt | * | Up to (excluding) 2018.3.4+dfsg1-6+deb10u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | salt | * | Up to (excluding) 3000.2+dfsg1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | salt | * | Up to (excluding) 2014.1.13+ds-3+deb8u1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | salt | * | Up to (excluding) 2016.11.2+ds-1+deb9u4 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | salt | * | Up to (excluding) 3000.2+dfsg1-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.1 | salt-ssh | * | Up to (excluding) 2019.2.0-lp151.5.15.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | salt-ssh | * | Up to (excluding) 3002.2-lp152.3.36.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | python3-distro | * | Up to (excluding) 1.5.0-3.5.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12 | python2-salt | * | Up to (excluding) 2019.2.0-46.91 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | salt | * | Up to (excluding) 2015.8.8+ds-1ubuntu0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | salt | * | Up to (excluding) 2015.8.8+ds-1ubuntu0.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | salt | * | Up to (excluding) 2017.7.4+dfsg1-1ubuntu18.04.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | salt | * | Up to (excluding) 2017.7.4+dfsg1-1ubuntu18.04.2 | |||||
- 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 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 无影响
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-20 | 输入验证不恰当 |
| CWE-22 | 对路径名的限制不恰当（路径遍历） |
Exp相关链接
- https://github.com//jasperla/CVE-2020-11651-poc
- https://github.com/Al1ex/CVE-2020-11652
- https://github.com/appcheck-ng/salt-rce-scanner-CVE-2020-11651-CVE-2020-11652
- https://github.com/fanjq99/CVE-2020-11652
- https://github.com/heikanet/CVE-2020-11651-CVE-2020-11652-EXP
- https://github.com/jasperla/CVE-2020-11651-poc
- https://github.com/rossengeorgiev/salt-security-backports
- https://github.com/vulhub/vulhub/tree/master/saltstack/CVE-2020-11652
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/auxiliary/gather/saltstack_salt_root_key.rb
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/misc/saltstack_salt_unauth_rce.rb
- https://www.exploit-db.com/exploits/48421
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