GHSA-9mc5-7qhg-fp3w
Suggest an improvement- Source
- https://github.com/advisories/GHSA-9mc5-7qhg-fp3w
- Import Source
- https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/03/GHSA-9mc5-7qhg-fp3w/GHSA-9mc5-7qhg-fp3w.json
- JSON Data
- https://api.osv.dev/v1/vulns/GHSA-9mc5-7qhg-fp3w
- Aliases
- Published
- 2025-03-11T21:12:54Z
- Modified
- 2025-03-21T21:51:07Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- Below has Incorrect Permission Assignment for Critical Resource
- Details
-
Impact
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.
Patches
https://github.com/facebookincubator/below/commit/10e73a21d67baa2cd613ee92ce999cda145e1a83
This is included in version 0.9.0
Workarounds
Change the permission on
/var/log/belowmanuallyReferences
https://www.facebook.com/security/advisories/cve-2025-27591 https://www.cve.org/CVERecord?id=CVE-2025-27591
- Database specific
{ "nvd_published_at": "2025-03-11T19:15:43Z", "cwe_ids": [ "CWE-732" ], "severity": "HIGH", "github_reviewed": true, "github_reviewed_at": "2025-03-11T21:12:54Z" }- References
-
- https://github.com/facebookincubator/below/security/advisories/GHSA-9mc5-7qhg-fp3w
- https://nvd.nist.gov/vuln/detail/CVE-2025-27591
- https://github.com/facebookincubator/below/commit/10e73a21d67baa2cd613ee92ce999cda145e1a83
- https://github.com/facebookincubator/below/commit/da9382e6e3e332fd2c3195e22f34977f83f0f1f3
- https://github.com/facebookincubator/below
- https://www.facebook.com/security/advisories/cve-2025-27591
- http://www.openwall.com/lists/oss-security/2025/03/12/1
Affected packages
crates.io / below
Package
- Name
- below
- View open source insights on deps.dev
- Purl
- pkg:cargo/below