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: Does not affect SUSE products

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.


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Please note that this evaluation state might be work in progress, incomplete or outdated.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
HPE Helion OpenStack 8 chrony Analysis
SLES15-EC2-CHOST-HVM-BYOS chrony Analysis
SLES15-SP1-CHOST-BYOS-Azure chrony Analysis
SLES15-SP1-CHOST-BYOS-EC2 chrony Analysis
SLES15-SP1-CHOST-BYOS-GCE chrony Analysis
SLES15-SP2-CHOST-BYOS-Aliyun chrony Analysis
SLES15-SP2-CHOST-BYOS-Azure chrony Analysis
SLES15-SP2-CHOST-BYOS-EC2 chrony Analysis
SLES15-SP2-CHOST-BYOS-GCE chrony Analysis
SUSE CaaS Platform 4.0 chrony Analysis
SUSE Enterprise Storage 6 chrony Analysis
SUSE Enterprise Storage 7 chrony Analysis
SUSE Enterprise Storage 7.1 chrony Analysis
SUSE Linux Enterprise Desktop 15 SP2 chrony Analysis
SUSE Linux Enterprise Desktop 15 SP3 chrony Analysis
SUSE Linux Enterprise High Performance Computing 12 SP5 chrony Analysis
SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS chrony Analysis
SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS chrony Analysis
SUSE Linux Enterprise High Performance Computing 15 SP2 chrony Analysis
SUSE Linux Enterprise High Performance Computing 15 SP3 chrony Analysis
SUSE Linux Enterprise High Performance Computing 15-LTSS chrony Analysis
SUSE Linux Enterprise Micro 5.0 chrony Analysis
SUSE Linux Enterprise Micro 5.1 chrony Analysis
SUSE Linux Enterprise Module for Basesystem 15 SP2 chrony Analysis
SUSE Linux Enterprise Module for Basesystem 15 SP3 chrony Analysis
SUSE Linux Enterprise Server 12 SP2-BCL chrony Analysis
SUSE Linux Enterprise Server 12 SP3-BCL chrony Analysis
SUSE Linux Enterprise Server 12 SP3-ESPOS chrony Analysis
SUSE Linux Enterprise Server 12 SP3-LTSS chrony Analysis
SUSE Linux Enterprise Server 12 SP4-ESPOS chrony Analysis
SUSE Linux Enterprise Server 12 SP4-LTSS chrony Analysis
SUSE Linux Enterprise Server 12 SP5 chrony Analysis
SUSE Linux Enterprise Server 15 SP1-LTSS chrony Analysis
SUSE Linux Enterprise Server 15 SP2 chrony Analysis
SUSE Linux Enterprise Server 15 SP3 chrony Analysis
SUSE Linux Enterprise Server 15-ESPOS chrony Analysis
SUSE Linux Enterprise Server 15-LTSS chrony Analysis
SUSE Linux Enterprise Server Business Critical Linux 15 SP1 chrony Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP3 chrony Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP4 chrony Analysis
SUSE Linux Enterprise Server for SAP Applications 12 SP5 chrony Analysis
SUSE Linux Enterprise Server for SAP Applications 15 chrony Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP1 chrony Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP2 chrony Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP3 chrony Analysis
SUSE Manager Proxy 4.0 chrony Unsupported
SUSE Manager Proxy 4.1 chrony Analysis
SUSE Manager Proxy 4.2 chrony Analysis
SUSE Manager Retail Branch Server 4.0 chrony Unsupported
SUSE Manager Retail Branch Server 4.1 chrony Analysis
SUSE Manager Retail Branch Server 4.2 chrony Analysis
SUSE Manager Server 4.0 chrony Unsupported
SUSE Manager Server 4.1 chrony Analysis
SUSE Manager Server 4.2 chrony Analysis
SUSE OpenStack Cloud 8 chrony Analysis
SUSE OpenStack Cloud 9 chrony Analysis
SUSE OpenStack Cloud Crowbar 8 chrony Analysis
SUSE OpenStack Cloud Crowbar 9 chrony Analysis


SUSE Timeline for this CVE

CVE page created: Tue Apr 7 20:43:51 2015
CVE page last modified: Fri Nov 25 17:23:32 2022