Upstream information
Description
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.SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having moderate severity.
National Vulnerability Database | SUSE | |
---|---|---|
Base Score | 4.3 | 5.8 |
Vector | AV:N/AC:M/Au:N/C:N/I:P/A:N | AV:N/AC:M/Au:N/C:P/I:P/A:N |
Access Vector | Network | Network |
Access Complexity | Medium | Medium |
Authentication | None | None |
Confidentiality Impact | None | Partial |
Integrity Impact | Partial | Partial |
Availability Impact | None | None |
National Vulnerability Database | |
---|---|
Base Score | 5.9 |
Vector | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
Access Vector | Network |
Access Complexity | High |
Privileges Required | None |
User Interaction | None |
Scope | Unchanged |
Confidentiality Impact | None |
Integrity Impact | High |
Availability Impact | None |
CVSSv3 Version | 3 |
Note from the SUSE Security Team
We have not shipped the affected component so far, so SUSE has not been affected by this problem. SUSE Bugzilla entry: 973035 [RESOLVED / FIXED] SUSE Security Advisories:- openSUSE-SU-2016:1106-1, published Wed, 20 Apr 2016 12:07:48 +0200 (CEST)
- openSUSE-SU-2016:1107-1, published Wed, 20 Apr 2016 12:11:11 +0200 (CEST)
Status of this issue by product and package
Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.
Product(s) | Source package | State |
---|---|---|
SUSE Linux Enterprise Desktop 11 SP4 | samba | Not affected |
SUSE Linux Enterprise Desktop 12 | samba | Not affected |
SUSE Linux Enterprise Desktop 12 SP1 | samba | Not affected |
SUSE Linux Enterprise Server 11 SP2 LTSS | samba | Not affected |
SUSE Linux Enterprise Server 11 SP3 LTSS | samba | Not affected |
SUSE Linux Enterprise Server 11 SP4 | samba | Not affected |
SUSE Linux Enterprise Server 11 SP4 LTSS | samba | Not affected |
SUSE Linux Enterprise Server 12 | samba | Not affected |
SUSE Linux Enterprise Server 12 SP1 | samba | Not affected |
SUSE Linux Enterprise Server for SAP Applications 11 SP4 | samba | Not affected |
SUSE Linux Enterprise Server for SAP Applications 12 | samba | Not affected |
SUSE Linux Enterprise Server for SAP Applications 12 SP1 | samba | Not affected |
SUSE Linux Enterprise Software Development Kit 11 SP4 | samba | Not affected |
SUSE Linux Enterprise Software Development Kit 12 | samba | Not affected |
SUSE Linux Enterprise Software Development Kit 12 SP1 | samba | Not affected |