CVE-2016-2516

Upstream information

CVE-2016-2516 at MITRE

Description

NTP before 4.2.8p7 and 4.3.x before 4.3.92, when mode7 is enabled, allows remote attackers to cause a denial of service (ntpd abort) by using the same IP address multiple times in an unconfig directive.

---

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	7.1	6.3
Vector	AV:N/AC:M/Au:N/C:N/I:N/A:C	AV:N/AC:M/Au:S/C:N/I:N/A:C
Access Vector	Network	Network
Access Complexity	Medium	Medium
Authentication	None	Single
Confidentiality Impact	None	None
Integrity Impact	None	None
Availability Impact	Complete	Complete

CVSS v3 Scores

	National Vulnerability Database
Base Score	5.3
Vector	AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Access Vector	Network
Access Complexity	High
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	High

SUSE Bugzilla entries: 0 [RESOLVED / WONTFIX], 977446 [RESOLVED / FIXED], 977452 [RESOLVED / FIXED]

SUSE Security Advisories:

• SUSE-SU-2016:1278-1, published Wed, 11 May 2016 18:08:42 +0200 (CEST)
• SUSE-SU-2016:1291-1, published Thu, 12 May 2016 20:09:15 +0200 (CEST)
• SUSE-SU-2016:1471-1, published Wed, 1 Jun 2016 18:08:21 +0200 (CEST)
• SUSE-SU-2016:1568-1, published Tue, 14 Jun 2016 12:08:32 +0200 (CEST)
• SUSE-SU-2016:1912-1, published Fri, 29 Jul 2016 19:08:48 +0200 (CEST)
• SUSE-SU-2016:2094-1, published Wed, 17 Aug 2016 21:08:25 +0200 (CEST)
• openSUSE-SU-2016:1329-1, published Wed, 18 May 2016 14:10:13 +0200 (CEST)
• openSUSE-SU-2016:1423-1, published Fri, 27 May 2016 15:15:45 +0200 (CEST)

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 >= 4.2.8p7-11.1 ntp-doc >= 4.2.8p7-11.1	Patchnames: SUSE-SLE-DESKTOP-12-SP1-2016-764
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 Desktop 12 SP4	ntp >= 4.2.8p12-64.8.2 ntp-doc >= 4.2.8p12-64.8.2	Patchnames: SUSE Linux Enterprise Desktop 12 SP4 GA ntp
SUSE Linux Enterprise Module for Legacy Software 15	ntp >= 4.2.8p11-2.12	Patchnames: SUSE Linux Enterprise Module for Legacy Software 15 GA ntp
SUSE Linux Enterprise Server 11 SP2-LTSS	ntp >= 4.2.8p7-44.1 ntp-doc >= 4.2.8p7-44.1	Patchnames: slessp2-ntp-12592
SUSE Linux Enterprise Server 11 SP3-LTSS	ntp >= 4.2.8p7-44.1 ntp-doc >= 4.2.8p7-44.1	Patchnames: slessp3-ntp-12592
SUSE Linux Enterprise Server 11 SP4	ntp >= 4.2.8p7-11.1 ntp-doc >= 4.2.8p7-11.1	Patchnames: slessp4-ntp-12553
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 >= 4.2.8p7-11.1 ntp-doc >= 4.2.8p7-11.1	Patchnames: SUSE-SLE-SERVER-12-SP1-2016-764
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 12 SP4	ntp >= 4.2.8p12-64.8.2 ntp-doc >= 4.2.8p12-64.8.2	Patchnames: SUSE Linux Enterprise Server 12 SP4 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 Linux Enterprise Server for SAP Applications 11 SP2-LTSS	ntp >= 4.2.8p7-44.1 ntp-doc >= 4.2.8p7-44.1	Patchnames: slessp2-ntp-12592
SUSE Linux Enterprise Server for SAP Applications 11 SP3-LTSS	ntp >= 4.2.8p7-44.1 ntp-doc >= 4.2.8p7-44.1	Patchnames: slessp3-ntp-12592
SUSE Linux Enterprise Server for SAP Applications 11 SP4	ntp >= 4.2.8p7-11.1 ntp-doc >= 4.2.8p7-11.1	Patchnames: slessp4-ntp-12553
SUSE Linux Enterprise Server for SAP Applications 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 for SAP Applications 12 SP1	ntp >= 4.2.8p7-11.1 ntp-doc >= 4.2.8p7-11.1	Patchnames: SUSE-SLE-SERVER-12-SP1-2016-764
SUSE Manager 2.1	ntp >= 4.2.8p7-44.1 ntp-doc >= 4.2.8p7-44.1	Patchnames: sleman21-ntp-12592
SUSE Manager Proxy 2.1	ntp >= 4.2.8p7-44.1 ntp-doc >= 4.2.8p7-44.1	Patchnames: slemap21-ntp-12592
SUSE OpenStack Cloud 5	ntp >= 4.2.8p7-44.1 ntp-doc >= 4.2.8p7-44.1	Patchnames: sleclo50sp3-ntp-12592
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 >= 4.2.8p7-21.1 ntp-debuginfo >= 4.2.8p7-21.1 ntp-debugsource >= 4.2.8p7-21.1 ntp-doc >= 4.2.8p7-21.1	Patchnames: openSUSE-2016-599
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

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 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 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 GA LTSS	ntp	Released
SUSE Linux Enterprise Server 12 SP1	ntp	Released
SUSE Linux Enterprise Server for SAP Applications 11 SP2	ntp	Released
SUSE Linux Enterprise Server for VMWare 11 SP2	ntp	Released
SUSE Linux Enterprise Server for VMWare 11 SP3	ntp	Released