Improper input validation in Samba
CVE-2012-6150
The winbind_name_list_to_sid_string_list function in nsswitch/pam_winbind.c in Samba through 4.1.2 handles invalid require_membership_of group names by accepting authentication by any user, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by leveraging an administrator's pam_winbind configuration-file mistake.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 3.6 (Low). Vector: AV:N/AC:H/Au:S/C:P/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.038 (89.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.038 · newest: 0.038 · change: 0.000
Affected products
- Samba
- Canonical Ubuntu Linux — versions 10.04, 12.04, 12.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- marc.info/ (vendor-advisory, Mailing List, Third Party Advisory)
- www.ubuntu.com/usn/USN-2054-1 (vendor-advisory, Third Party Advisory)
- lists.samba.org/archive/samba-technical/2012-June/084593.html (Vendor Advisory, mailing-list, Exploit)
- lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2014-01/msg00002.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-updates/2014-03/msg00063.html (vendor-advisory, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/glsa-201502-15.xml (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2014-June/134717.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-updates/2013-12/msg00088.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2012-6150?
- CVE-2012-6150 is a vulnerability in Samba, classified under Improper Input Validation. Published 2013-12-03.
- Is CVE-2012-6150 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.