Upstream information

CVE-2016-7426 at MITRE

Description

NTP before 4.2.8p9 rate limits responses received from the configured sources when rate limiting for all associations is enabled, which allows remote attackers to cause a denial of service (prevent responses from the sources) by sending responses with a spoofed source address.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having low severity.

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 4.3 1
Vector AV:N/AC:M/Au:N/C:N/I:N/A:P AV:L/AC:H/Au:S/C:N/I:N/A:P
Access Vector Network Local
Access Complexity Medium High
Authentication None Single
Confidentiality Impact None None
Integrity Impact None None
Availability Impact Partial Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 5.3
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Access Vector Network
Access Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact Low
CVSSv3 Version 3
SUSE Bugzilla entries: 1011406 [RESOLVED / FIXED], 1011421 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Desktop 12 SP1
  • ntp >= 4.2.8p9-55.1
  • ntp-doc >= 4.2.8p9-55.1
 Patchnames:
SUSE-SLE-DESKTOP-12-SP1-2016-1853
SUSE Linux Enterprise Desktop 12 SP2
  • ntp >= 4.2.8p9-55.1
  • ntp-doc >= 4.2.8p9-55.1
 Patchnames:
SUSE-SLE-DESKTOP-12-SP2-2016-1853
SUSE Linux Enterprise Desktop 12 SP3
SUSE Linux Enterprise Server 12 SP3
  • ntp >= 4.2.8p10-63.3
  • ntp-doc >= 4.2.8p10-63.3
SUSE Linux Enterprise Desktop 12 SP4
SUSE Linux Enterprise Server 12 SP4
  • ntp >= 4.2.8p12-64.8.2
  • ntp-doc >= 4.2.8p12-64.8.2
SUSE Linux Enterprise High Performance Computing 12 SP5
SUSE Linux Enterprise Server 12 SP5
  • ntp >= 4.2.8p13-85.1
  • ntp-doc >= 4.2.8p13-85.1
SUSE Linux Enterprise Module for Legacy Software 15 SP1
  • ntp >= 4.2.8p13-4.6.1
SUSE Linux Enterprise Module for Legacy Software 15
  • ntp >= 4.2.8p11-2.12
SUSE Linux Enterprise Point of Sale 11 SP3
  • ntp >= 4.2.8p9-48.9.1
  • ntp-doc >= 4.2.8p9-48.9.1
 Patchnames:
sleposp3-ntp-12953
SUSE Linux Enterprise Server 11 SP2-LTSS
SUSE Linux Enterprise Server for SAP Applications 11 SP2-LTSS
  • ntp >= 4.2.8p9-48.9.1
  • ntp-doc >= 4.2.8p9-48.9.1
 Patchnames:
slessp2-ntp-12953
SUSE Linux Enterprise Server 11 SP3-LTSS
SUSE Linux Enterprise Server for SAP Applications 11 SP3-LTSS
  • ntp >= 4.2.8p9-48.9.1
  • ntp-doc >= 4.2.8p9-48.9.1
 Patchnames:
slessp3-ntp-12953
SUSE Linux Enterprise Server 11 SP4
SUSE Linux Enterprise Server for SAP Applications 11 SP4
  • ntp >= 4.2.8p9-57.2
  • ntp-doc >= 4.2.8p9-57.2
 Patchnames:
slessp4-ntp-12895
SUSE Linux Enterprise Server 12 SP1
SUSE Linux Enterprise Server for SAP Applications 12 SP1
  • ntp >= 4.2.8p9-55.1
  • ntp-doc >= 4.2.8p9-55.1
 Patchnames:
SUSE-SLE-SERVER-12-SP1-2016-1853
SUSE Linux Enterprise Server 12 SP2
SUSE Linux Enterprise Server for SAP Applications 12 SP2
  • ntp >= 4.2.8p9-55.1
  • ntp-doc >= 4.2.8p9-55.1
 Patchnames:
SUSE-SLE-SERVER-12-SP2-2016-1853
SUSE Linux Enterprise Server 12-LTSS
SUSE Linux Enterprise Server for SAP Applications 12-LTSS
  • ntp >= 4.2.8p9-46.18.1
  • ntp-doc >= 4.2.8p9-46.18.1
 Patchnames:
SUSE-SLE-SERVER-12-2016-1852
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2
  • ntp >= 4.2.8p9-55.1
  • ntp-doc >= 4.2.8p9-55.1
 Patchnames:
SUSE-SLE-RPI-12-SP2-2016-1853
SUSE Linux Enterprise Server for SAP Applications 12
  • ntp >= 4.2.8p9-46.18.1
  • ntp-doc >= 4.2.8p9-46.18.1
 Patchnames:
SUSE-SLE-SAP-12-2016-1852
SUSE Manager 2.1
  • ntp >= 4.2.8p9-48.9.1
  • ntp-doc >= 4.2.8p9-48.9.1
 Patchnames:
sleman21-ntp-12953
SUSE Manager Proxy 2.1
  • ntp >= 4.2.8p9-48.9.1
  • ntp-doc >= 4.2.8p9-48.9.1
 Patchnames:
slemap21-ntp-12953
SUSE OpenStack Cloud 5
  • ntp >= 4.2.8p9-48.9.1
  • ntp-doc >= 4.2.8p9-48.9.1
 Patchnames:
sleclo50sp3-ntp-12953
openSUSE Leap 42.1
  • ntp >= 4.2.8p9-27.1
  • ntp-debuginfo >= 4.2.8p9-27.1
  • ntp-debugsource >= 4.2.8p9-27.1
  • ntp-doc >= 4.2.8p9-27.1
 Patchnames:
openSUSE-2016-1525
openSUSE Leap 42.2
  • ntp >= 4.2.8p9-27.1
  • ntp-debuginfo >= 4.2.8p9-27.1
  • ntp-debugsource >= 4.2.8p9-27.1
  • ntp-doc >= 4.2.8p9-27.1
 Patchnames:
openSUSE-2016-1525
openSUSE Leap 42.3
  • ntp >= 4.2.8p10-30.1
  • ntp-doc >= 4.2.8p10-30.1
 Patchnames:
openSUSE Leap 42.3 GA ntp
openSUSE Tumbleweed
  • ntp >= 4.2.8p9-1.1
  • ntp-doc >= 4.2.8p9-1.1
 Patchnames:
openSUSE Tumbleweed GA ntp

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 Desktop 12 SP1 ntp Released
SUSE Linux Enterprise Desktop 12 SP2 ntp Released
SUSE Linux Enterprise Server 11 SP2 LTSS ntp Released
SUSE Linux Enterprise Server 11 SP3 LTSS ntp Released
SUSE Linux Enterprise Server 11 SP4 ntp Released
SUSE Linux Enterprise Server 12 GA LTSS ntp Released
SUSE Linux Enterprise Server 12 SP1 ntp Released
SUSE Linux Enterprise Server 12 SP2 ntp Released
SUSE Linux Enterprise Server 12 SP2 for Raspberry PI ntp Released