CVE-2025-27591 PoC — below 安全漏洞

Source

https://github.com/alialucas7/CVE-2025-27591_PoC

Associated Vulnerability

Title: below 安全漏洞 (CVE-2025-27591)
Description:A privilege escalation vulnerability existed in the Below service prior to v0.9.0 due to the creation of a world-writable directory at /var/log/below. This could have allowed local unprivileged users to escalate to root privileges through symlink attacks that manipulate files such as /etc/shadow.

Readme


## Proof-Of-Concept
### Usage
1. build
```bash
go build -o poc exploit.go 
```
2. move the binary to the target machine


https://github.com/user-attachments/assets/d5e3f8e7-ba05-42f8-a533-21179cd77177


## References
https://nvd.nist.gov/vuln/detail/CVE-2025-27591
https://access.redhat.com/security/cve/cve-2025-27591
https://github.com/facebookincubator/below/commit/da9382e6e3e332fd2c3195e22f34977f83f0f1f3
https://github.com/BridgerAlderson/CVE-2025-27591-PoC/tree/main

File Snapshot

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