CVE-2025-32463 PoC — Sudo 安全漏洞

Description

Local Privilege Escalation to Root via Sudo chroot in Linux

Readme

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# CVE-2025-32463
Local Privilege Escalation to Root via Sudo chroot in Linux


## 🛑 Vulnerability Summary

**CVE-2025-32463** is a **local privilege escalation vulnerability** in the **Sudo** binary. The flaw allows a local user to escalate privileges to **root** under specific misconfigurations or with crafted inputs. The issue was discovered by **Rich Mirch**.

- **CVE-ID:** CVE-2025-32463  
- **Component:** sudo  
- **Type:** Local Privilege Escalation (EoP)  
- **CVSS Score:** TBD  
- **Discovered by:** [Rich Mirch](https://twitter.com/rmirch)

## 🔥 Impact

An attacker with low privileges can exploit this vulnerability to gain **root access**, compromising the system entirely.

## 🧪 Proof of Concept
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###  Exploit
```bash
git clone https://github.com/kh4sh3i/CVE-2025-32463.git
cd CVE-2025-32463
chmod +x exploit.sh
id
./exploit.sh
id
```

## 🛠 Affected Versions

- Vulnerable: sudo 1.9.14 to 1.9.17
- Patched: sudo 1.9.17p1 and later
- Not affected: Legacy versions prior to 1.9.14 (chroot feature did not exist)

## 🛡️ Mitigation

- Update `sudo` to the latest patched version.
- Use security frameworks like AppArmor or SELinux to limit sudo behavior.
- Monitor for abnormal sudo invocations.

## 🧷 References

- [CVE-2025-32463 on NVD](https://nvd.nist.gov/vuln/detail/CVE-2025-32463)
- [Rich Mirch on Twitter](https://twitter.com/rmirch)
- [sudo project](https://www.sudo.ws)
- [stratascale](https://www.stratascale.com/vulnerability-alert-CVE-2025-32463-sudo-chroot)

## ⚠️ Disclaimer

This PoC is provided for **educational and research** purposes only. Running this on any system without permission is **illegal** and unethical.

File Snapshot

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