CVE-2023-4911 PoC — Glibc: buffer overflow in ld.so leading to privilege escalation

Source

https://github.com/xiaoQ1z/CVE-2023-4911

Associated Vulnerability

Title: Glibc: buffer overflow in ld.so leading to privilege escalation (CVE-2023-4911)
Description:A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.

Readme

# CVE-2023-4911

## 使用

```
docker build -t CVE-2023-4911 -f Dockerfile .
docker run -it CVE-2023-4911
./exp
```

## 参考
- https://github.com/leesh3288/CVE-2023-4911
- https://github.com/Green-Avocado/CVE-2023-4911
- https://www.qualys.com/2023/10/03/cve-2023-4911/looney-tunables-local-privilege-escalation-glibc-ld-so.txt

File Snapshot

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