Upstream information

CVE-2018-3968 at MITRE

Description

An exploitable vulnerability exists in the verified boot protection of the Das U-Boot from version 2013.07-rc1 to 2014.07-rc2. The affected versions lack proper FIT signature enforcement, which allows an attacker to bypass U-Boot's verified boot and execute an unsigned kernel, embedded in a legacy image format. To trigger this vulnerability, a local attacker needs to be able to supply the image to boot.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4.4
Vector AV:L/AC:M/Au:N/C:P/I:P/A:P
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 7
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1130150 [RESOLVED / UPSTREAM]

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Please note that this evaluation state might be work in progress, incomplete or outdated.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. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Enterprise Storage 7.1 u-boot Unsupported
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 u-boot Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1 u-boot Analysis
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS u-boot Unsupported
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS u-boot Analysis
SUSE Linux Enterprise High Performance Computing 15 SP3 u-boot Unsupported
SUSE Linux Enterprise High Performance Computing 15-ESPOS u-boot Not affected
SUSE Linux Enterprise High Performance Computing 15-LTSS u-boot Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 u-boot Unsupported
SUSE Linux Enterprise Server 15 SP3 u-boot Unsupported
SUSE Linux Enterprise Server for SAP Applications 15 u-boot Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 u-boot Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP3 u-boot Unsupported
Products past their end of life and not receiving proactive updates anymore.
SUSE CaaS Platform 4.0 u-boot Analysis
SUSE Enterprise Storage 6 u-boot Analysis
SUSE Linux Enterprise Desktop 15 u-boot Not affected
SUSE Linux Enterprise Desktop 15 SP1 u-boot Analysis
SUSE Linux Enterprise Desktop 15 SP3 u-boot Unsupported
SUSE Linux Enterprise High Performance Computing 12 SP4 u-boot Not affected
SUSE Linux Enterprise Module for Basesystem 15 u-boot Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 u-boot Analysis
SUSE Linux Enterprise Server 12 SP3 u-boot Not affected
SUSE Linux Enterprise Server 12 SP3-ESPOS u-boot Not affected
SUSE Linux Enterprise Server 12 SP3-LTSS u-boot Not affected
SUSE Linux Enterprise Server 12 SP4 u-boot Not affected
SUSE Linux Enterprise Server 12 SP4-ESPOS u-boot Not affected
SUSE Linux Enterprise Server 12 SP4-LTSS u-boot Not affected
SUSE Linux Enterprise Server 15 u-boot Not affected
SUSE Linux Enterprise Server 15 SP1 u-boot Analysis
SUSE Linux Enterprise Server 15 SP1-BCL u-boot Analysis
SUSE Linux Enterprise Server 15 SP1-LTSS u-boot Analysis
SUSE Linux Enterprise Server 15-LTSS u-boot Not affected
SUSE Manager Proxy 4.0 u-boot Analysis
SUSE Manager Proxy 4.2 u-boot Unsupported
SUSE Manager Retail Branch Server 4.0 u-boot Analysis
SUSE Manager Retail Branch Server 4.2 u-boot Unsupported
SUSE Manager Server 4.0 u-boot Analysis
SUSE Manager Server 4.2 u-boot Unsupported


SUSE Timeline for this CVE

CVE page created: Fri Mar 22 07:37:49 2019
CVE page last modified: Thu Feb 1 01:28:09 2024