CVE-2025-27591

Name
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.
NVD Severity
unknown
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
cve-assign@fb.com https://github.com/facebookincubator/below/commit/da9382e6e3e332fd2c3195e22f34977f83f0f1f3
cve-assign@fb.com https://www.facebook.com/security/advisories/cve-2025-27591
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2025/03/12/1

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:facebook:below:*:*:*:*:*:rust:*:* below >= None < 0.9.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
below edge-community 0.7.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable
below 3.22-community 0.7.1-r0 Jakub Jirutka <jakub@jirutka.cz> possibly vulnerable