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Vulnerability Details : 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.
Publish Date : 2013-12-03 Last Update Date : 2022-09-01
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
Authentication ???
Gained Access None
Vulnerability Type(s) Bypass a restriction or similar

- Related OVAL Definitions

Title Definition Id Class Family
DEPRECATED: ELSA-2014:0330: samba and samba3x security update (Moderate) oval:org.mitre.oval:def:24494 unix
DEPRECATED: ELSA-2014-0383 -- samba4 security update (Moderate) oval:org.mitre.oval:def:26077 unix
DEPRECATED: ELSA-2014-0330 -- samba and samba3x security update (moderate) oval:org.mitre.oval:def:26958 unix
ELSA-2014:0330: samba and samba3x security update (Moderate) oval:org.mitre.oval:def:24559 unix
ELSA-2014:0383: samba4 security update (Moderate) oval:org.mitre.oval:def:24775 unix
HP-UX CIFS Server (Samba), Remote Denial of Service (DoS), Execution of Arbitrary Code, Unauthorized Access oval:org.mitre.oval:def:26319 unix
RHSA-2014:0330: samba and samba3x security update (Moderate) oval:org.mitre.oval:def:24260 unix
RHSA-2014:0330: samba and samba3x security update (Moderate) oval:com.redhat.rhsa:def:20140330 unix
RHSA-2014:0383: samba4 security update (Moderate) oval:org.mitre.oval:def:24297 unix
RHSA-2014:0383: samba4 security update (Moderate) oval:com.redhat.rhsa:def:20140383 unix
SUSE-SU-2014:0024-1 -- Security update for Samba oval:org.mitre.oval:def:25148 unix
SUSE-SU-2014:0723-1 -- Security update for Samba oval:org.mitre.oval:def:24798 unix
USN-2054-1 -- samba vulnerabilities oval:org.mitre.oval:def:20652 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2012-6150

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 10.04 * * * Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 12.04 * * * Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 12.10 * * * Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 13.04 * * * Version Details Vulnerabilities
5 OS Canonical Ubuntu Linux 13.10 * * * Version Details Vulnerabilities
6 Application Samba Samba * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 5
Samba Samba 1

- References For CVE-2012-6150
SUSE openSUSE-SU-2016:1106
SUSE openSUSE-SU-2016:1107
HP SSRT101413
GENTOO GLSA-201502-15
SUSE openSUSE-SU-2014:0405
REDHAT RHSA-2014:0330
SUSE SUSE-SU-2014:0024
SUSE openSUSE-SU-2013:1921
MLIST [samba-technical] 20131128 fail authentication if user isn't member of *any* require_membership_of specified groups CONFIRM
MLIST [samba-technical] 20120612 winbind pam security problem CONFIRM
MLIST [oss-security] 20131202 Re: CVE request: samba pam_winbind authentication fails open

- Metasploit Modules Related To CVE-2012-6150

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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