Upstream information

CVE-2018-1000155 at MITRE

Description

OpenFlow version 1.0 onwards contains a Denial of Service and Improper authorization vulnerability in OpenFlow handshake: The DPID (DataPath IDentifier) in the features_reply message are inherently trusted by the controller. that can result in Denial of Service, Unauthorized Access, Network Instability. This attack appear to be exploitable via Network connectivity: the attacker must first establish a transport connection with the OpenFlow controller and then initiate the OpenFlow handshake.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 7.5
Vector AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 9.8 6.4
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
Access Vector Network Network
Access Complexity Low High
Privileges Required None Low
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact High Low
Integrity Impact High Low
Availability Impact High High
CVSSv3 Version 3 3
SUSE Bugzilla entry: 1093457 [NEW]

No SUSE Security Announcements cross referenced.

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Please note that this evaluation state might be work in progress, incomplete or outdated.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 High Performance Computing 15 SP1 ESPOS openvswitch Affected
SUSE Linux Enterprise Module for Server Applications 15 SP3 openvswitch Affected
SUSE Linux Enterprise Server 12 SP3 openvswitch Affected
SUSE Linux Enterprise Server 12 SP4 LTSS openvswitch Affected
SUSE Linux Enterprise Server BCL 12 SP2 openvswitch Affected
SUSE Linux Enterprise Server BCL 12 SP3 openvswitch Affected
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 openvswitch Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 openvswitch Affected
SUSE OpenStack Cloud 6 openvswitch Affected
SUSE Package Hub 15 SP1 openvswitch Unsupported
SUSE Package Hub 15 SP3 openvswitch Affected