Upstream information

CVE-2016-4954 at MITRE

Description

The process_packet function in ntp_proto.c in ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (peer-variable modification) by sending spoofed packets from many source IP addresses in a certain scenario, as demonstrated by triggering an incorrect leap indication.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 4.3 2.6
Vector AV:N/AC:M/Au:N/C:N/I:N/A:P AV:N/AC:H/Au:N/C:N/I:N/A:P
Access Vector Network Network
Access Complexity Medium High
Authentication None None
Confidentiality Impact None None
Integrity Impact None None
Availability Impact Partial Partial
CVSS v3 Scores
  National Vulnerability Database
Base Score 4
Vector AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L
Access Vector Network
Access Complexity High
Privileges Required None
User Interaction None
Scope Changed
Confidentiality Impact None
Integrity Impact None
Availability Impact Low
SUSE Bugzilla entries: 982056 [RESOLVED / FIXED], 982066 [RESOLVED / FIXED]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Desktop 12
  • ntp >= 4.2.8p8-46.8.1
  • ntp-doc >= 4.2.8p8-46.8.1
Patchnames:
SUSE-SLE-DESKTOP-12-2016-933
SUSE Linux Enterprise Desktop 12 SP1
  • ntp >= 4.2.8p8-14.1
  • ntp-doc >= 4.2.8p8-14.1
Patchnames:
SUSE-SLE-DESKTOP-12-SP1-2016-930
SUSE Linux Enterprise Desktop 12 SP2
  • ntp >= 4.2.8p8-14.1
  • ntp-doc >= 4.2.8p8-14.1
Patchnames:
SUSE Linux Enterprise Desktop 12 SP2 GA ntp
SUSE Linux Enterprise Desktop 12 SP3
  • ntp >= 4.2.8p10-63.3
  • ntp-doc >= 4.2.8p10-63.3
Patchnames:
SUSE Linux Enterprise Desktop 12 SP3 GA ntp
SUSE Linux Enterprise Server 11 SP2-LTSS
  • ntp >= 4.2.8p8-47.3
  • ntp-doc >= 4.2.8p8-47.3
Patchnames:
slessp2-ntp-12615
SUSE Linux Enterprise Server 11 SP3-LTSS
  • ntp >= 4.2.8p8-47.3
  • ntp-doc >= 4.2.8p8-47.3
Patchnames:
slessp3-ntp-12615
SUSE Linux Enterprise Server 11 SP4
  • ntp >= 4.2.8p8-14.1
  • ntp-doc >= 4.2.8p8-14.1
Patchnames:
slessp4-ntp-12612
SUSE Linux Enterprise Server 12
  • ntp >= 4.2.8p8-46.8.1
  • ntp-doc >= 4.2.8p8-46.8.1
Patchnames:
SUSE-SLE-SERVER-12-2016-933
SUSE Linux Enterprise Server 12 SP1
  • ntp >= 4.2.8p8-14.1
  • ntp-doc >= 4.2.8p8-14.1
Patchnames:
SUSE-SLE-SERVER-12-SP1-2016-930
SUSE Linux Enterprise Server 12 SP2
  • ntp >= 4.2.8p8-14.1
  • ntp-doc >= 4.2.8p8-14.1
Patchnames:
SUSE Linux Enterprise Server 12 SP2 GA ntp
SUSE Linux Enterprise Server 12 SP3
  • ntp >= 4.2.8p10-63.3
  • ntp-doc >= 4.2.8p10-63.3
Patchnames:
SUSE Linux Enterprise Server 12 SP3 GA ntp
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2
  • ntp >= 4.2.8p8-14.1
  • ntp-doc >= 4.2.8p8-14.1
Patchnames:
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 GA ntp
SUSE Manager 2.1
  • ntp >= 4.2.8p8-47.3
  • ntp-doc >= 4.2.8p8-47.3
Patchnames:
sleman21-ntp-12615
SUSE Manager Proxy 2.1
  • ntp >= 4.2.8p8-47.3
  • ntp-doc >= 4.2.8p8-47.3
Patchnames:
slemap21-ntp-12615
SUSE OpenStack Cloud 5
  • ntp >= 4.2.8p8-47.3
  • ntp-doc >= 4.2.8p8-47.3
Patchnames:
sleclo50sp3-ntp-12615
SUSE Linux Enterprise Server 10 SP4 LTSS for AMD64 and Intel EM64T
SUSE Linux Enterprise Server 10 SP4 LTSS for IBM zSeries 64bit
SUSE Linux Enterprise Server 10 SP4 LTSS for x86
  • yast2-ntp-client >= 2.13.18-0.20.1
Builds
ZYPP Patch Nr: 9295
SUSE Linux Enterprise Server 10 SP4 LTSS for AMD64 and Intel EM64T
SUSE Linux Enterprise Server 10 SP4 LTSS for IBM zSeries 64bit
SUSE Linux Enterprise Server 10 SP4 LTSS for x86
  • ntp >= 4.2.8p8-0.7.1
  • ntp-doc >= 4.2.8p8-0.7.1
Builds
ZYPP Patch Nr: 9293
openSUSE Leap 42.1
  • ntp >= 4.2.8p8-24.1
  • ntp-debuginfo >= 4.2.8p8-24.1
  • ntp-debugsource >= 4.2.8p8-24.1
  • ntp-doc >= 4.2.8p8-24.1
Patchnames:
openSUSE-2016-750
openSUSE Leap 42.2
  • ntp >= 4.2.8p8-25.1
  • ntp-doc >= 4.2.8p8-25.1
Patchnames:
openSUSE Leap 42.2 GA ntp
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

Product(s) Source package State
SUSE Linux Enterprise Desktop 11 SP2 ntp Released
SUSE Linux Enterprise Desktop 11 SP3 ntp Released
SUSE Linux Enterprise Desktop 11 SP4 ntp Released
SUSE Linux Enterprise Desktop 12 GA ntp Released
SUSE Linux Enterprise Desktop 12 SP1 ntp Released
SUSE Linux Enterprise Desktop 12 SP2 ntp Released
SUSE Linux Enterprise Server 11 SP1 LTSS ntp Released
SUSE Linux Enterprise Server 11 SP2 ntp Released
SUSE Linux Enterprise Server 11 SP2 LTSS ntp Released
SUSE Linux Enterprise Server 11 SP3 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 ntp Released
SUSE Linux Enterprise Server 12 SP1 ntp Released
SUSE Linux Enterprise Server 12 SP2 ntp Released
SUSE Linux Enterprise Server for SAP 11 SP2 ntp Released