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.
Problem types
Incorrect Permission Assignment for Critical Resource (CWE-732)
Product status
0.0.0 (semver) before 0.9.0
References
www.openwall.com/lists/oss-security/2025/03/12/1
www.facebook.com/security/advisories/cve-2025-27591
github.com/...ommit/da9382e6e3e332fd2c3195e22f34977f83f0f1f3
