CVE-2012-6150

Severity CVSS v4.0:

Pending analysis

Type:

CWE-20 Input Validation

Publication date:

03/12/2013

Last modified:

11/04/2025

Description

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&#39;s pam_winbind configuration-file mistake.

Impact

Vector 2.0

AV:N/AC:H/Au:S/C:P/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 3.60 LOW
Vector: AV:N/AC:H/Au:S/C:P/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): None

Base Score 2.0

3.60

Severity 2.0

LOW

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:samba:samba::::::::	3.3.10 (including)	3.4.0 (excluding)
cpe:2.3:a:samba:samba::::::::	3.4.3 (including)	3.6.22 (excluding)
cpe:2.3:a:samba:samba::::::::	4.0.0 (including)	4.0.13 (excluding)
cpe:2.3:a:samba:samba::::::::	4.1.0 (including)	4.1.3 (excluding)
cpe:2.3:o:canonical:ubuntu_linux:10.04::::-:::
cpe:2.3:o:canonical:ubuntu_linux:12.04::::-:::
cpe:2.3:o:canonical:ubuntu_linux:12.10:::::::*
cpe:2.3:o:canonical:ubuntu_linux:13.04:::::::*
cpe:2.3:o:canonical:ubuntu_linux:13.10:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2012-6150

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools