CVE-2025-32462 PoC — Sudo 安全漏洞

Description

🔓 Local privilege escalation PoC for CVE-2025-32462 (sudo -h bypass) – gain root via misconfigured sudoers

Readme

# CVE-2025-32462 – sudo -h Privilege Escalation PoC

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> 🚨 Local privilege escalation exploit for `sudo` via the `-h/--host` argument  
> Affects systems with `sudo` misconfigurations allowing unintended root access.

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## 🧠 About

This PoC demonstrates **CVE-2025-32462**, a logic flaw in `sudo` (all versions ≤ 1.9.17),  
where misuse of the `-h` option can bypass RunAs restrictions and allow unintended root command execution.

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## 📋 Requirements

- Affected `sudo` version: **≤ 1.9.17**
- `sudoers` config includes misconfig like:

  `(ALL, !root) NOPASSWD: ALL`


## 🚀 Usage

- `chmod +x CVE-2025-32462.sh && ./CVE-2025-32462.sh`

- To test a specific command (example: whoami):
 `./CVE-2025-32462.sh whoami`
If the system is vulnerable and misconfigured, this will drop you into a root shell via `sudo -h`. To exit the root shell, type: `exit`


## 🛡️ Mitigation

- Upgrade sudo to 1.9.17p1 or later

- Restrict or disable use of the -h / --host option


## 📚 References

- [NVD Entry – CVE-2025-32462](https://nvd.nist.gov/vuln/detail/CVE-2025-32462)
- [Sudo security advisory](https://www.sudo.ws/security/advisories)

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