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TI-2012-05111 Aliases CVE-2012-6150GHSA-65q8-2h4w-pqq6

The winbind_name_list_to_sid_string_list function in nsswitch/pam_winbind.c in Samba…

Priority LOW 24CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
— Not recorded in CVSS 2.0
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
Partial · Partial · None
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

EPSS 0.0379 90th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed Red Hat: 2 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*3.3.10 to before 3.4.0; 3.4.3 to before 3.6.22; 4.0.0 to before 4.0.13; 4.1.0 to before 4.1.3VulnerableSamba
cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*10.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*12.10VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:*13.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:13.10:*:*:*:*:*:*:*13.10VulnerableCanonical
  • cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:* Versions 3.3.10 to before 3.4.0; 3.4.3 to before 3.6.22; 4.0.0 to before 4.0.13; 4.1.0 to before 4.1.3 Vulnerable ·Samba
  • cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:* Versions 10.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* Versions 12.10 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:* Versions 13.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:13.10:*:*:*:*:*:*:* Versions 13.10 Vulnerable ·Canonical

Remediation

Red Hat 2 advisories

  • RHSA-2014:0383 Released 2014-04-09 · Red Hat rating Moderate
    samba4 security update
    • Red Hat Enterprise Linux Desktop (v. 6) samba4-4.0.0-61.el6_5.rc4, samba4-client-4.0.0-61.el6_5.rc4, samba4-common-4.0.0-61.el6_5.rc4 +11
    • Red Hat Enterprise Linux HPC Node (v. 6) samba4-4.0.0-61.el6_5.rc4, samba4-client-4.0.0-61.el6_5.rc4, samba4-common-4.0.0-61.el6_5.rc4 +11
    • Red Hat Enterprise Linux Server (v. 6) samba4-4.0.0-61.el6_5.rc4, samba4-client-4.0.0-61.el6_5.rc4, samba4-common-4.0.0-61.el6_5.rc4 +11
    • Red Hat Enterprise Linux Workstation (v. 6) samba4-4.0.0-61.el6_5.rc4, samba4-client-4.0.0-61.el6_5.rc4, samba4-common-4.0.0-61.el6_5.rc4 +11
  • RHSA-2014:0330 Released 2014-03-25 · Red Hat rating Moderate
    samba and samba3x security update
    • Red Hat Enterprise Linux (v. 5 server) samba3x-3.6.6-0.139.el5_10, samba3x-3.6.6-0.139.el5_10.i386, samba3x-3.6.6-0.139.el5_10.ia64 +29
    • Red Hat Enterprise Linux Desktop (v. 5 client) samba3x-3.6.6-0.139.el5_10, samba3x-3.6.6-0.139.el5_10.i386, samba3x-client-3.6.6-0.139.el5_10 +11
    • Red Hat Enterprise Linux Desktop (v. 6) libsmbclient-3.6.9-168.el6_5, samba-3.6.9-168.el6_5, samba-client-3.6.9-168.el6_5 +3
    • Red Hat Enterprise Linux Desktop Optional (v. 6) libsmbclient-devel-3.6.9-168.el6_5, samba-3.6.9-168.el6_5, samba-doc-3.6.9-168.el6_5 +4
    • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) samba3x-3.6.6-0.139.el5_10, samba3x-winbind-devel-3.6.6-0.139.el5_10, samba3x-winbind-devel-3.6.6-0.139.el5_10.i386
    • Red Hat Enterprise Linux HPC Node (v. 6) samba-3.6.9-168.el6_5, samba-client-3.6.9-168.el6_5, samba-common-3.6.9-168.el6_5 +2
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) libsmbclient-3.6.9-168.el6_5, libsmbclient-devel-3.6.9-168.el6_5, samba-3.6.9-168.el6_5 +5
    • Red Hat Enterprise Linux Server (v. 6) libsmbclient-3.6.9-168.el6_5, libsmbclient-3.6.9-168.el6_5.ppc, samba-3.6.9-168.el6_5 +6
    • Red Hat Enterprise Linux Server Optional (v. 6) libsmbclient-devel-3.6.9-168.el6_5, libsmbclient-devel-3.6.9-168.el6_5.ppc, samba-3.6.9-168.el6_5 +6
    • Red Hat Enterprise Linux Workstation (v. 6) libsmbclient-3.6.9-168.el6_5, samba-3.6.9-168.el6_5, samba-client-3.6.9-168.el6_5 +3
    • Red Hat Enterprise Linux Workstation Optional (v. 6) libsmbclient-devel-3.6.9-168.el6_5, samba-3.6.9-168.el6_5, samba-doc-3.6.9-168.el6_5 +4

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2014:0330
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2014:0330
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2014:0330, RHSA-2014:0383
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2014:0330
Red Hat Enterprise Linux Desktop Workstation (v. 5 client)Fixed RHSA-2014:0330
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2014:0330, RHSA-2014:0383
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2014:0330
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2014:0330, RHSA-2014:0383
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2014:0330
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2014:0330, RHSA-2014:0383
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2014:0330
Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2012-6150
  2. 2026-10-03 Alias added: GHSA-65q8-2h4w-pqq6
  3. 2026-11-04 EPSS moved to the 90th–95th percentile

References

Exploit 2

Patch 1

Advisory 14

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences