Upstream information

CVE-2015-1853 at MITRE

Description

chrony before 1.31.1 does not properly protect state variables in authenticated symmetric NTP associations, which allows remote attackers with knowledge of NTP peering to cause a denial of service (inability to synchronize) via random timestamps in crafted NTP data packets.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 4
Vector AV:N/AC:L/Au:S/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 6.5
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
SUSE Bugzilla entry: 926323 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Liberty Linux 7
  • chrony >= 2.1.1-1.el7
Patchnames:
RHSA-2015:2241


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Please note that this evaluation state might be work in progress, incomplete or outdated.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 chrony Not affected
SUSE Linux Enterprise High Performance Computing 12 SP5 chrony Not affected
SUSE Linux Enterprise Micro 5.1 chrony Not affected
SUSE Linux Enterprise Micro 5.2 chrony Not affected
SUSE Linux Enterprise Server 12 SP5 chrony Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5 chrony Not affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SLES15-EC2-CHOST-HVM-BYOS chrony Not affected
SLES15-SP1-CHOST-BYOS-Azure chrony Not affected
SLES15-SP1-CHOST-BYOS-EC2 chrony Not affected
SLES15-SP1-CHOST-BYOS-GCE chrony Not affected
SLES15-SP2-CHOST-BYOS-Aliyun chrony Not affected
SLES15-SP2-CHOST-BYOS-Azure chrony Not affected
SLES15-SP2-CHOST-BYOS-EC2 chrony Not affected
SLES15-SP2-CHOST-BYOS-GCE chrony Not affected
SUSE Linux Enterprise High Performance Computing 15 chrony Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1 chrony Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS chrony Not affected
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS chrony Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2 chrony Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2-ESPOS chrony Not affected
SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS chrony Not affected
SUSE Linux Enterprise High Performance Computing 15 SP3 chrony Not affected
SUSE Linux Enterprise High Performance Computing 15-ESPOS chrony Not affected
SUSE Linux Enterprise High Performance Computing 15-LTSS chrony Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP2 chrony Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP3 chrony Not affected
SUSE Linux Enterprise Server 12 SP2-BCL chrony Not affected
SUSE Linux Enterprise Server 15 SP2 chrony Not affected
SUSE Linux Enterprise Server 15 SP2-LTSS chrony Not affected
SUSE Linux Enterprise Server 15 SP3 chrony Not affected
SUSE Linux Enterprise Server 15-ESPOS chrony Not affected
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 chrony Not affected
SUSE Linux Enterprise Server for SAP Applications 15 chrony Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP1 chrony Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP2 chrony Not affected
SUSE Linux Enterprise Server for SAP Applications 15 SP3 chrony Not affected
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8 chrony Not affected
SUSE CaaS Platform 4.0 chrony Not affected
SUSE Enterprise Storage 6 chrony Not affected
SUSE Enterprise Storage 7 chrony Not affected
SUSE Linux Enterprise Desktop 15 chrony Not affected
SUSE Linux Enterprise Desktop 15 SP1 chrony Not affected
SUSE Linux Enterprise Desktop 15 SP2 chrony Not affected
SUSE Linux Enterprise Desktop 15 SP3 chrony Not affected
SUSE Linux Enterprise Micro 5.0 chrony Not affected
SUSE Linux Enterprise Module for Basesystem 15 chrony Not affected
SUSE Linux Enterprise Module for Basesystem 15 SP1 chrony Not affected
SUSE Linux Enterprise Real Time 15 SP2 chrony Not affected
SUSE Linux Enterprise Server 12 SP2 chrony Not affected
SUSE Linux Enterprise Server 12 SP2-ESPOS chrony Not affected
SUSE Linux Enterprise Server 12 SP2-LTSS chrony Not affected
SUSE Linux Enterprise Server 12 SP3 chrony Not affected
SUSE Linux Enterprise Server 12 SP3-BCL chrony Not affected
SUSE Linux Enterprise Server 12 SP3-ESPOS chrony Not affected
SUSE Linux Enterprise Server 12 SP3-LTSS chrony Not affected
SUSE Linux Enterprise Server 12 SP4 chrony Not affected
SUSE Linux Enterprise Server 12 SP4-ESPOS chrony Not affected
SUSE Linux Enterprise Server 12 SP4-LTSS chrony Not affected
SUSE Linux Enterprise Server 15 chrony Not affected
SUSE Linux Enterprise Server 15 SP1 chrony Not affected
SUSE Linux Enterprise Server 15 SP1-BCL chrony Not affected
SUSE Linux Enterprise Server 15 SP1-LTSS chrony Not affected
SUSE Linux Enterprise Server 15 SP2-BCL chrony Not affected
SUSE Linux Enterprise Server 15-LTSS chrony Not affected
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 chrony Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2 chrony Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3 chrony Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4 chrony Not affected
SUSE Manager Proxy 4.0 chrony Not affected
SUSE Manager Proxy 4.1 chrony Not affected
SUSE Manager Proxy 4.2 chrony Not affected
SUSE Manager Retail Branch Server 4.0 chrony Not affected
SUSE Manager Retail Branch Server 4.1 chrony Not affected
SUSE Manager Retail Branch Server 4.2 chrony Not affected
SUSE Manager Server 4.0 chrony Not affected
SUSE Manager Server 4.1 chrony Not affected
SUSE Manager Server 4.2 chrony Not affected
SUSE OpenStack Cloud 7 chrony Not affected
SUSE OpenStack Cloud 8 chrony Not affected
SUSE OpenStack Cloud 9 chrony Not affected
SUSE OpenStack Cloud Crowbar 8 chrony Not affected
SUSE OpenStack Cloud Crowbar 9 chrony Not affected


SUSE Timeline for this CVE

CVE page created: Tue Apr 7 20:43:51 2015
CVE page last modified: Thu Feb 1 00:45:34 2024