CVE-2012-6150
UnknownEPSS 3.79%
Last modified
CVE-2012-6150 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 3.79% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Samba | Samba | >= 3.3.10, < 3.4.0 |
| Samba | Samba | >= 3.4.3, < 3.6.22 |
| Samba | Samba | >= 4.0.0, < 4.0.13 |
| Samba | Samba | >= 4.1.0, < 4.1.3 |
| Canonical | Ubuntu Linux | 10.04 |
| Canonical | Ubuntu Linux | 12.04 |
| Canonical | Ubuntu Linux | 12.10 |
| Canonical | Ubuntu Linux | 13.04 |
| Canonical | Ubuntu Linux | 13.10 |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.htmlMailing List, Third Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134717.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2014-01/msg00002.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00088.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2014-03/msg00063.htmlMailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=141660010015249&w=2Mailing List, Third Party Advisory
- http://openwall.com/lists/oss-security/2013/12/03/5Mailing List, Third 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 Tracking, Third Party Advisory
- https://bugzilla.samba.org/show_bug.cgi?id=10300Issue Tracking, Patch, Third Party Advisory
- https://lists.samba.org/archive/samba-technical/2012-June/084593.htmlExploit, Vendor Advisory
- https://lists.samba.org/archive/samba-technical/2013-November/096411.htmlExploit, Vendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.htmlMailing List, Third Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134717.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2014-01/msg00002.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00088.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2014-03/msg00063.htmlMailing List, Third Party Advisory
- http://marc.info/?l=bugtraq&m=141660010015249&w=2Mailing List, Third Party Advisory
- http://openwall.com/lists/oss-security/2013/12/03/5Mailing List, Third 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 Tracking, Third Party Advisory
- https://bugzilla.samba.org/show_bug.cgi?id=10300Issue Tracking, Patch, Third Party Advisory
- https://lists.samba.org/archive/samba-technical/2012-June/084593.htmlExploit, Vendor Advisory
- https://lists.samba.org/archive/samba-technical/2013-November/096411.htmlExploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2012-6150?
Severity scoring for CVE-2012-6150 is pending analysis. The EPSS model estimates a 3.79% probability of exploitation in the next 30 days.
How do I fix CVE-2012-6150?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2012-6150?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST