Auth bypass in Libpam4j Project
CVE-2017-12197
It was found that libpam4j up to and including 1.8 did not properly validate user accounts when authenticating. A user with a valid password for a disabled account would be able to bypass security restrictions and possibly access sensitive information.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.015 (73.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Libpam4j Project
- Red Hat, Inc. Libpam4j — versions up to and including 1.8
- Debian Linux — versions 7.0, 8.0, 9.0
- Red Hat Enterprise Linux — versions 6.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.debian.org/debian-lts-announce/2017/11/msg00008.html (mailing-list, Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:2904 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:2905 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:2906 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2017/dsa-4025 (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-12197?
- CVE-2017-12197 is a medium-severity vulnerability in Libpam4j Project, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2018-01-18.
- How severe is CVE-2017-12197?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2017-12197 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.