Upstream information

CVE-2016-2114 at MITRE

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.

CVSS v2 Scores
  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
CVSS v3 Scores
  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:


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Please note that this evaluation state might be work in progress, incomplete or outdated.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
SLES_LTSS-10-SP4 samba Not affected
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 12 samba Not affected
SUSE Linux Enterprise Server 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