UpHeron
All vulnerabilities

Servers and applications

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.

Severity
Low 3.6
Published
3 Dec 2013
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
3.4.0, 3.6.22, 4.0.13, 4.1.3
Exploit chance
3.8% in the next 30 daysHigher than 90% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Over the network · Only under certain conditions · Needs a login
Attacker can
Read some data · Change some data
CVSS vector
AV:N/AC:H/Au:S/C:P/I:P/A:N
Sources
NVD

Affected software

SoftwareAffected versions
SambaServers and applications · cpe:a:samba:samba
  • From 3.3.10 before 3.4.0
  • From 3.4.3 before 3.6.22
  • From 4.0.0 before 4.0.13
  • From 4.1.0 before 4.1.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-6150
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-6150