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
EPSS: 0.015 (71.8th percentile) — read the EPSS interpretation.
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.
Affected products
- Libpam4j_project Libpam4j
- Red Hat, Inc. Libpam4j — versions up to and including 1.8
- Debian Debian_linux — versions 7.0, 8.0, 9.0
- Redhat Enterprise_linux — versions 6.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- secalert@redhat.com (x_refsource_CONFIRM, 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.