Vulnerability 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's pam_winbind configuration-file mistake.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Samba | Samba | >= 3.3.10, < 3.4.0 |
| Canonical | Ubuntu Linux | 10.04 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.htmMailing ListThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134717.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2014-01/msg00002.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00088.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2014-03/msg00063.htmlMailing ListThird Party Advisory
- http://marc.info/?l=bugtraq&m=141660010015249&w=2Mailing ListThird Party Advisory
- http://openwall.com/lists/oss-security/2013/12/03/5Mailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2014-0330.htmlThird Party Advisory
- http://security.gentoo.org/glsa/glsa-201502-15.xmlThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:299Third Party Advisory
- http://www.ubuntu.com/usn/USN-2054-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1036897Issue TrackingThird Party Advisory
- https://bugzilla.samba.org/show_bug.cgi?id=10300Issue TrackingPatchThird Party Advisory
FAQ
What is CVE-2012-6150?
CVE-2012-6150 is a vulnerability with a CVSS score of 3.6 (LOW). 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 allo...
How severe is CVE-2012-6150?
CVE-2012-6150 has been rated LOW with a CVSS base score of 3.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-6150?
Check the references section above for vendor advisories and patch information. Affected products include: Samba Samba, Canonical Ubuntu Linux.