The SMB1 protocol implementation in Samba 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not recognize the server signing = mandatory setting, which allows man-in-the-middle attackers to spoof SMB servers by modifying the client-server data stream.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Samba | Samba | 4.0.0 (including) | 4.0.0 (including) |
| Samba | Samba | 4.0.1 (including) | 4.0.1 (including) |
| Samba | Samba | 4.0.2 (including) | 4.0.2 (including) |
| Samba | Samba | 4.0.3 (including) | 4.0.3 (including) |
| Samba | Samba | 4.0.4 (including) | 4.0.4 (including) |
| Samba | Samba | 4.0.5 (including) | 4.0.5 (including) |
| Samba | Samba | 4.0.6 (including) | 4.0.6 (including) |
| Samba | Samba | 4.0.7 (including) | 4.0.7 (including) |
| Samba | Samba | 4.0.8 (including) | 4.0.8 (including) |
| Samba | Samba | 4.0.9 (including) | 4.0.9 (including) |
| Samba | Samba | 4.0.10 (including) | 4.0.10 (including) |
| Samba | Samba | 4.0.11 (including) | 4.0.11 (including) |
| Samba | Samba | 4.0.12 (including) | 4.0.12 (including) |
| Samba | Samba | 4.0.13 (including) | 4.0.13 (including) |
| Samba | Samba | 4.0.14 (including) | 4.0.14 (including) |
| Samba | Samba | 4.0.15 (including) | 4.0.15 (including) |
| Samba | Samba | 4.0.16 (including) | 4.0.16 (including) |
| Samba | Samba | 4.0.17 (including) | 4.0.17 (including) |
| Samba | Samba | 4.0.18 (including) | 4.0.18 (including) |
| Samba | Samba | 4.0.19 (including) | 4.0.19 (including) |
| Samba | Samba | 4.0.20 (including) | 4.0.20 (including) |
| Samba | Samba | 4.0.21 (including) | 4.0.21 (including) |
| Samba | Samba | 4.0.22 (including) | 4.0.22 (including) |
| Samba | Samba | 4.0.23 (including) | 4.0.23 (including) |
| Samba | Samba | 4.0.24 (including) | 4.0.24 (including) |
| Samba | Samba | 4.0.25 (including) | 4.0.25 (including) |
| Samba | Samba | 4.0.26 (including) | 4.0.26 (including) |
| Samba | Samba | 4.1.0 (including) | 4.1.0 (including) |
| Samba | Samba | 4.1.1 (including) | 4.1.1 (including) |
| Samba | Samba | 4.1.2 (including) | 4.1.2 (including) |
| Samba | Samba | 4.1.3 (including) | 4.1.3 (including) |
| Samba | Samba | 4.1.4 (including) | 4.1.4 (including) |
| Samba | Samba | 4.1.5 (including) | 4.1.5 (including) |
| Samba | Samba | 4.1.6 (including) | 4.1.6 (including) |
| Samba | Samba | 4.1.7 (including) | 4.1.7 (including) |
| Samba | Samba | 4.1.8 (including) | 4.1.8 (including) |
| Samba | Samba | 4.1.9 (including) | 4.1.9 (including) |
| Samba | Samba | 4.1.10 (including) | 4.1.10 (including) |
| Samba | Samba | 4.1.11 (including) | 4.1.11 (including) |
| Samba | Samba | 4.1.12 (including) | 4.1.12 (including) |
| Samba | Samba | 4.1.13 (including) | 4.1.13 (including) |
| Samba | Samba | 4.1.14 (including) | 4.1.14 (including) |
| Samba | Samba | 4.1.15 (including) | 4.1.15 (including) |
| Samba | Samba | 4.1.16 (including) | 4.1.16 (including) |
| Samba | Samba | 4.1.17 (including) | 4.1.17 (including) |
| Samba | Samba | 4.1.18 (including) | 4.1.18 (including) |
| Samba | Samba | 4.1.19 (including) | 4.1.19 (including) |
| Samba | Samba | 4.1.20 (including) | 4.1.20 (including) |
| Samba | Samba | 4.1.21 (including) | 4.1.21 (including) |
| Samba | Samba | 4.1.22 (including) | 4.1.22 (including) |
| Samba | Samba | 4.1.23 (including) | 4.1.23 (including) |
| Samba | Samba | 4.2.0-rc1 (including) | 4.2.0-rc1 (including) |
| Samba | Samba | 4.2.0-rc2 (including) | 4.2.0-rc2 (including) |
| Samba | Samba | 4.2.0-rc3 (including) | 4.2.0-rc3 (including) |
| Samba | Samba | 4.2.0-rc4 (including) | 4.2.0-rc4 (including) |
| Samba | Samba | 4.2.1 (including) | 4.2.1 (including) |
| Samba | Samba | 4.2.2 (including) | 4.2.2 (including) |
| Samba | Samba | 4.2.3 (including) | 4.2.3 (including) |
| Samba | Samba | 4.2.4 (including) | 4.2.4 (including) |
| Samba | Samba | 4.2.5 (including) | 4.2.5 (including) |
| Samba | Samba | 4.2.6 (including) | 4.2.6 (including) |
| Samba | Samba | 4.2.7 (including) | 4.2.7 (including) |
| Samba | Samba | 4.2.8 (including) | 4.2.8 (including) |
| Samba | Samba | 4.2.9 (including) | 4.2.9 (including) |
| Samba | Samba | 4.3.0 (including) | 4.3.0 (including) |
| Samba | Samba | 4.3.1 (including) | 4.3.1 (including) |
| Samba | Samba | 4.3.2 (including) | 4.3.2 (including) |
| Samba | Samba | 4.3.3 (including) | 4.3.3 (including) |
| Samba | Samba | 4.3.4 (including) | 4.3.4 (including) |
| Samba | Samba | 4.3.5 (including) | 4.3.5 (including) |
| Samba | Samba | 4.3.6 (including) | 4.3.6 (including) |
| Samba | Samba | 4.4.0 (including) | 4.4.0 (including) |
| Samba | Ubuntu | devel | * |
| Samba | Ubuntu | trusty | * |
| Samba | Ubuntu | upstream | * |
| Samba | Ubuntu | wily | * |
| Samba | Ubuntu | xenial | * |
| Samba | Ubuntu | yakkety | * |
| Samba | Ubuntu | zesty | * |
| Samba4 | Ubuntu | precise | * |
| Red Hat Enterprise Linux 6 | RedHat | ipa-0:3.0.0-47.el6_7.2 | * |
| Red Hat Enterprise Linux 6 | RedHat | libldb-0:1.1.25-2.el6_7 | * |
| Red Hat Enterprise Linux 6 | RedHat | libtalloc-0:2.1.5-1.el6_7 | * |
| Red Hat Enterprise Linux 6 | RedHat | libtdb-0:1.3.8-1.el6_7 | * |
| Red Hat Enterprise Linux 6 | RedHat | libtevent-0:0.9.26-2.el6_7 | * |
| Red Hat Enterprise Linux 6 | RedHat | openchange-0:1.0-7.el6_7 | * |
| Red Hat Enterprise Linux 6 | RedHat | samba4-0:4.2.10-6.el6_7 | * |
| Red Hat Enterprise Linux 6.2 Advanced Update Support | RedHat | evolution-mapi-0:0.28.3-8.el6_2 | * |
| Red Hat Enterprise Linux 6.2 Advanced Update Support | RedHat | libldb-0:1.1.25-2.el6_2 | * |
| Red Hat Enterprise Linux 6.2 Advanced Update Support | RedHat | openchange-0:1.0-1.el6_2 | * |
| Red Hat Enterprise Linux 6.2 Advanced Update Support | RedHat | samba4-0:4.2.10-6.el6_2 | * |
| Red Hat Enterprise Linux 6.2 Advanced Update Support | RedHat | sssd-0:1.5.1-66.el6_2.5 | * |
| Red Hat Enterprise Linux 6.4 Advanced Update Support | RedHat | ipa-0:3.0.0-26.el6_4.5 | * |
| Red Hat Enterprise Linux 6.4 Advanced Update Support | RedHat | libldb-0:1.1.25-2.el6_4 | * |
| Red Hat Enterprise Linux 6.4 Advanced Update Support | RedHat | openchange-0:1.0-5.el6_4 | * |
| Red Hat Enterprise Linux 6.4 Advanced Update Support | RedHat | samba4-0:4.2.10-6.el6_4 | * |
| Red Hat Enterprise Linux 6.4 Advanced Update Support | RedHat | sssd-0:1.9.2-82.12.el6_4 | * |
| Red Hat Enterprise Linux 6.5 Advanced Update Support | RedHat | ipa-0:3.0.0-37.el6_5.1 | * |
| Red Hat Enterprise Linux 6.5 Advanced Update Support | RedHat | libldb-0:1.1.25-2.el6_5 | * |
| Red Hat Enterprise Linux 6.5 Advanced Update Support | RedHat | openchange-0:1.0-7.el6_5 | * |
| Red Hat Enterprise Linux 6.5 Advanced Update Support | RedHat | samba4-0:4.2.10-6.el6_5 | * |
| Red Hat Enterprise Linux 6.5 Advanced Update Support | RedHat | sssd-0:1.9.2-129.el6_5.7 | * |
| Red Hat Enterprise Linux 6.6 Extended Update Support | RedHat | ipa-0:3.0.0-42.el6_6.1 | * |
| Red Hat Enterprise Linux 6.6 Extended Update Support | RedHat | libldb-0:1.1.25-2.el6_6 | * |
| Red Hat Enterprise Linux 6.6 Extended Update Support | RedHat | openchange-0:1.0-7.el6_6 | * |
| Red Hat Enterprise Linux 6.6 Extended Update Support | RedHat | samba4-0:4.2.10-6.el6_6 | * |
| Red Hat Enterprise Linux 7 | RedHat | ipa-0:4.2.0-15.el7_2.6.1 | * |
| Red Hat Enterprise Linux 7 | RedHat | libldb-0:1.1.25-1.el7_2 | * |
| Red Hat Enterprise Linux 7 | RedHat | libtalloc-0:2.1.5-1.el7_2 | * |
| Red Hat Enterprise Linux 7 | RedHat | libtdb-0:1.3.8-1.el7_2 | * |
| Red Hat Enterprise Linux 7 | RedHat | libtevent-0:0.9.26-1.el7_2 | * |
| Red Hat Enterprise Linux 7 | RedHat | openchange-0:2.0-10.el7_2 | * |
| Red Hat Enterprise Linux 7 | RedHat | samba-0:4.2.10-6.el7_2 | * |
| Red Hat Enterprise Linux 7.1 Extended Update Support | RedHat | ipa-0:4.1.0-18.ael7b_1.6 | * |
| Red Hat Enterprise Linux 7.1 Extended Update Support | RedHat | libldb-0:1.1.25-1.ael7b_1 | * |
| Red Hat Enterprise Linux 7.1 Extended Update Support | RedHat | libtalloc-0:2.1.5-1.ael7b_1 | * |
| Red Hat Enterprise Linux 7.1 Extended Update Support | RedHat | libtdb-0:1.3.8-1.el7_1 | * |
| Red Hat Enterprise Linux 7.1 Extended Update Support | RedHat | libtevent-0:0.9.26-1.el7_1 | * |
| Red Hat Enterprise Linux 7.1 Extended Update Support | RedHat | openchange-0:2.0-4.ael7b_1.1 | * |
| Red Hat Enterprise Linux 7.1 Extended Update Support | RedHat | samba-0:4.2.10-5.ael7b_1 | * |
| Red Hat Gluster Storage 3.1 for RHEL 6 | RedHat | libldb-0:1.1.24-1.el6rhs | * |
| Red Hat Gluster Storage 3.1 for RHEL 6 | RedHat | libtalloc-0:2.1.5-1.el6rhs | * |
| Red Hat Gluster Storage 3.1 for RHEL 6 | RedHat | libtdb-0:1.3.8-1.el6rhs | * |
| Red Hat Gluster Storage 3.1 for RHEL 6 | RedHat | libtevent-0:0.9.26-1.el6rhs | * |
| Red Hat Gluster Storage 3.1 for RHEL 6 | RedHat | samba-0:4.2.11-2.el6rhs | * |
| Red Hat Gluster Storage 3.1 for RHEL 7 | RedHat | libldb-0:1.1.24-1.el7rhgs | * |
| Red Hat Gluster Storage 3.1 for RHEL 7 | RedHat | libtalloc-0:2.1.5-1.el7rhgs | * |
| Red Hat Gluster Storage 3.1 for RHEL 7 | RedHat | libtdb-0:1.3.8-1.el7rhgs | * |
| Red Hat Gluster Storage 3.1 for RHEL 7 | RedHat | libtevent-0:0.9.26-1.el7rhgs | * |
| Red Hat Gluster Storage 3.1 for RHEL 7 | RedHat | samba-0:4.2.11-2.el7rhgs | * |