Auth bypass in FreeBSD
CVE-2014-3879
OpenPAM Nummularia 9.2 through 10.0 does not properly handle the error reported when an include directive refers to a policy that does not exist, which causes the loaded policy chain to no be discarded and allows context-dependent attackers to bypass authentication via a login (1) without a password or (2) with an incorrect password.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.027 (85.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.securityfocus.com/bid/67808 (VDB Entry, Third Party Advisory, vdb-entry)
- www.openpam.org/browser/openpam/trunk/HISTORY (Release Notes)
- www.freebsd.org/security/advisories/FreeBSD-SA-14:13.pam.asc (Patch, Third Party Advisory)
- www.securitytracker.com/id/1030330 (Patch, VDB Entry, Vendor Advisory)
Frequently asked questions
- What is CVE-2014-3879?
- CVE-2014-3879 is a critical-severity vulnerability in FreeBSD, classified under Improper Authentication. CVSS score: 9.8/10. Published 2020-02-18.
- How severe is CVE-2014-3879?
- Critical severity. CVSS v3 base score is 9.8 out of 10.