Vulnerability DatabaseCVE-2025-27591
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CVE-2025-27591
March 11, 2025
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.
Affected Packages
below (RUST):
Affected version(s) >=0.1.0 <0.9.0
Fix Suggestion:
Update to version 0.9.0
Related Resources (10)
https://rustsec.org/advisories/RUSTSEC-2025-0149.html
https://github.com/facebookincubator/below
http://www.openwall.com/lists/oss-security/2025/03/12/1
https://crates.io/crates/below
https://www.openwall.com/lists/oss-security/2025/03/12/1
https://www.facebook.com/security/advisories/cve-2025-27591
https://github.com/facebookincubator/below/commit/10e73a21d67baa2cd613ee92ce999cda145e1a83
https://nvd.nist.gov/vuln/detail/CVE-2025-27591
https://github.com/facebookincubator/below/commit/da9382e6e3e332fd2c3195e22f34977f83f0f1f3
https://github.com/facebookincubator/below/security/advisories/GHSA-9mc5-7qhg-fp3w
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CVSS v4
Base Score:
7
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Incorrect Permission Assignment for Critical Resource
CWE-732
EPSS
Base Score:
0.01