samba: pam_winbind fails open when non-existent group specified to require_membership_of

The winbindnamelisttosidstringlist function in nsswitch/pamwinbind.c in Samba through 4.1.2 handles invalid requiremembershipof group names by accepting authentication by any user, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by...

samba: pam_winbind fails open when non-existent group specified to require_membership_of

The winbindnamelisttosidstringlist function in nsswitch/pamwinbind.c in Samba through 4.1.2 handles invalid requiremembershipof group names by accepting authentication by any user, which allows remote authenticated users to bypass intended access restrictions in opportunistic circumstances by...