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)
EPSS: 0.038 (88.9th percentile) — read the EPSS interpretation.
Affected products
- Samba
- Canonical Ubuntu_linux — versions 10.04, 12.04, 12.10
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_HP, vendor-advisory, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (Vendor Advisory, mailing-list, x_refsource_MLIST, Exploit)
- secalert@redhat.com (vendor-advisory, x_refsource_FEDORA, Mailing List, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- secalert@redhat.com (vendor-advisory, x_refsource_FEDORA, Mailing List, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
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.