CVE-2017-11368

Upstream information

CVE-2017-11368 at MITRE

Description

In MIT Kerberos 5 (aka krb5) 1.7 and later, an authenticated attacker can cause a KDC assertion failure by sending invalid S4U2Self or S4U2Proxy requests.

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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	6.8
Vector	AV:N/AC:L/Au:S/C:N/I:N/A:P	AV:N/AC:L/Au:S/C:N/I:N/A:C
Access Vector	Network	Network
Access Complexity	Low	Low
Authentication	Single	Single
Confidentiality Impact	None	None
Integrity Impact	None	None
Availability Impact	Partial	Complete

CVSS v3 Scores

	National Vulnerability Database	SUSE
Base Score	6.5	6.5
Vector	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector	Network	Network
Attack Complexity	Low	Low
Privileges Required	Low	Low
User Interaction	None	None
Scope	Unchanged	Unchanged
Confidentiality Impact	None	None
Integrity Impact	None	None
Availability Impact	High	High
CVSSv3 Version	3	3

SUSE Bugzilla entry: 1049819 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Enterprise Storage 6 SUSE Linux Enterprise High Performance Computing 15 SP1 SUSE Linux Enterprise Server 15 SP1 SUSE Linux Enterprise Server for SAP Applications 15 SP1 SUSE Manager Proxy 4.0 SUSE Manager Retail Branch Server 4.0 SUSE Manager Server 4.0	krb5 >= 1.16.3-1.16 krb5-32bit >= 1.16.3-1.16 krb5-client >= 1.16.3-1.16 krb5-devel >= 1.16.3-1.16 krb5-plugin-kdb-ldap >= 1.16.3-1.16 krb5-plugin-preauth-otp >= 1.16.3-1.16 krb5-plugin-preauth-pkinit >= 1.16.3-1.16 krb5-server >= 1.16.3-1.16	Patchnames: SUSE Linux Enterprise Module for Basesystem 15 SP1 GA krb5-1.16.3-1.16 SUSE Linux Enterprise Module for Server Applications 15 SP1 GA krb5-plugin-kdb-ldap-1.16.3-1.16
SUSE Enterprise Storage 7.1 SUSE Linux Enterprise High Performance Computing 15 SP3 SUSE Linux Enterprise Server 15 SP3 SUSE Linux Enterprise Server for SAP Applications 15 SP3 SUSE Manager Proxy 4.2 SUSE Manager Retail Branch Server 4.2 SUSE Manager Server 4.2	krb5 >= 1.16.3-3.15.1 krb5-32bit >= 1.16.3-3.15.1 krb5-client >= 1.16.3-3.15.1 krb5-devel >= 1.16.3-3.15.1 krb5-plugin-kdb-ldap >= 1.16.3-3.15.1 krb5-plugin-preauth-otp >= 1.16.3-3.15.1 krb5-plugin-preauth-pkinit >= 1.16.3-3.15.1 krb5-server >= 1.16.3-3.15.1	Patchnames: SUSE Linux Enterprise Module for Basesystem 15 SP3 GA krb5-1.16.3-3.15.1 SUSE Linux Enterprise Module for Server Applications 15 SP3 GA krb5-plugin-kdb-ldap-1.16.3-3.15.1
SUSE Enterprise Storage 7 SUSE Linux Enterprise High Performance Computing 15 SP2 SUSE Linux Enterprise Server 15 SP2 SUSE Linux Enterprise Server for SAP Applications 15 SP2 SUSE Manager Proxy 4.1 SUSE Manager Retail Branch Server 4.1 SUSE Manager Server 4.1	krb5 >= 1.16.3-3.6.1 krb5-32bit >= 1.16.3-3.6.1 krb5-client >= 1.16.3-3.6.1 krb5-devel >= 1.16.3-3.6.1 krb5-plugin-kdb-ldap >= 1.16.3-3.6.1 krb5-plugin-preauth-otp >= 1.16.3-3.6.1 krb5-plugin-preauth-pkinit >= 1.16.3-3.6.1 krb5-server >= 1.16.3-3.6.1	Patchnames: SUSE Linux Enterprise Module for Basesystem 15 SP2 GA krb5-1.16.3-3.6.1 SUSE Linux Enterprise Module for Server Applications 15 SP2 GA krb5-plugin-kdb-ldap-1.16.3-3.6.1
SUSE Liberty Linux 7	krb5-devel >= 1.15.1-18.el7 krb5-libs >= 1.15.1-18.el7 krb5-pkinit >= 1.15.1-18.el7 krb5-server >= 1.15.1-18.el7 krb5-server-ldap >= 1.15.1-18.el7 krb5-workstation >= 1.15.1-18.el7 libkadm5 >= 1.15.1-18.el7	Patchnames: RHSA-2018:0666
SUSE Linux Enterprise Desktop 15 SP1 SUSE Linux Enterprise Module for Basesystem 15 SP1	krb5 >= 1.16.3-1.16 krb5-32bit >= 1.16.3-1.16 krb5-client >= 1.16.3-1.16 krb5-devel >= 1.16.3-1.16 krb5-plugin-preauth-otp >= 1.16.3-1.16 krb5-plugin-preauth-pkinit >= 1.16.3-1.16	Patchnames: SUSE Linux Enterprise Module for Basesystem 15 SP1 GA krb5-1.16.3-1.16
SUSE Linux Enterprise Desktop 15 SP2 SUSE Linux Enterprise Module for Basesystem 15 SP2	krb5 >= 1.16.3-3.6.1 krb5-32bit >= 1.16.3-3.6.1 krb5-client >= 1.16.3-3.6.1 krb5-devel >= 1.16.3-3.6.1 krb5-plugin-preauth-otp >= 1.16.3-3.6.1 krb5-plugin-preauth-pkinit >= 1.16.3-3.6.1	Patchnames: SUSE Linux Enterprise Module for Basesystem 15 SP2 GA krb5-1.16.3-3.6.1
SUSE Linux Enterprise Desktop 15 SP3 SUSE Linux Enterprise Module for Basesystem 15 SP3	krb5 >= 1.16.3-3.15.1 krb5-32bit >= 1.16.3-3.15.1 krb5-client >= 1.16.3-3.15.1 krb5-devel >= 1.16.3-3.15.1 krb5-plugin-preauth-otp >= 1.16.3-3.15.1 krb5-plugin-preauth-pkinit >= 1.16.3-3.15.1	Patchnames: SUSE Linux Enterprise Module for Basesystem 15 SP3 GA krb5-1.16.3-3.15.1
SUSE Linux Enterprise Desktop 15 SP4 SUSE Linux Enterprise Module for Basesystem 15 SP4	krb5 >= 1.19.2-150400.1.9 krb5-32bit >= 1.19.2-150400.1.9 krb5-client >= 1.19.2-150400.1.9 krb5-devel >= 1.19.2-150400.1.9 krb5-plugin-preauth-otp >= 1.19.2-150400.1.9 krb5-plugin-preauth-pkinit >= 1.19.2-150400.1.9	Patchnames: SUSE Linux Enterprise Module for Basesystem 15 SP4 GA krb5-1.19.2-150400.1.9
SUSE Linux Enterprise Desktop 15 SP5 SUSE Linux Enterprise High Performance Computing 15 SP5 SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Server 15 SP5 SUSE Linux Enterprise Server for SAP Applications 15 SP5	krb5 >= 1.20.1-150500.1.2 krb5-32bit >= 1.20.1-150500.1.2 krb5-client >= 1.20.1-150500.1.2 krb5-devel >= 1.20.1-150500.1.2 krb5-plugin-preauth-otp >= 1.20.1-150500.1.2 krb5-plugin-preauth-pkinit >= 1.20.1-150500.1.2	Patchnames: SUSE Linux Enterprise Module for Basesystem 15 SP5 GA krb5-1.20.1-150500.1.2
SUSE Linux Enterprise Desktop 15 SUSE Linux Enterprise Module for Basesystem 15	krb5 >= 1.15.2-4.25 krb5-32bit >= 1.15.2-4.25 krb5-client >= 1.15.2-4.25 krb5-devel >= 1.15.2-4.25 krb5-plugin-preauth-otp >= 1.15.2-4.25 krb5-plugin-preauth-pkinit >= 1.15.2-4.25	Patchnames: SUSE Linux Enterprise Module for Basesystem 15 GA krb5-1.15.2-4.25
SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Manager Proxy 4.3 SUSE Manager Retail Branch Server 4.3 SUSE Manager Server 4.3	krb5 >= 1.19.2-150400.1.9 krb5-32bit >= 1.19.2-150400.1.9 krb5-client >= 1.19.2-150400.1.9 krb5-devel >= 1.19.2-150400.1.9 krb5-plugin-kdb-ldap >= 1.19.2-150400.1.9 krb5-plugin-preauth-otp >= 1.19.2-150400.1.9 krb5-plugin-preauth-pkinit >= 1.19.2-150400.1.9 krb5-server >= 1.19.2-150400.1.9	Patchnames: SUSE Linux Enterprise Module for Basesystem 15 SP4 GA krb5-1.19.2-150400.1.9 SUSE Linux Enterprise Module for Server Applications 15 SP4 GA krb5-plugin-kdb-ldap-1.19.2-150400.1.9
SUSE Linux Enterprise High Performance Computing 15 SUSE Linux Enterprise Server 15 SUSE Linux Enterprise Server for SAP Applications 15	krb5 >= 1.15.2-4.25 krb5-32bit >= 1.15.2-4.25 krb5-client >= 1.15.2-4.25 krb5-devel >= 1.15.2-4.25 krb5-plugin-kdb-ldap >= 1.15.2-4.25 krb5-plugin-preauth-otp >= 1.15.2-4.25 krb5-plugin-preauth-pkinit >= 1.15.2-4.25 krb5-server >= 1.15.2-4.25	Patchnames: SUSE Linux Enterprise Module for Basesystem 15 GA krb5-1.15.2-4.25 SUSE Linux Enterprise Module for Server Applications 15 GA krb5-plugin-kdb-ldap-1.15.2-4.25
SUSE Linux Enterprise Micro 5.0	krb5 >= 1.16.3-3.15.1	Patchnames: SUSE Linux Enterprise Micro 5.0 GA krb5-1.16.3-3.15.1
SUSE Linux Enterprise Micro 5.1	krb5 >= 1.16.3-3.21.1	Patchnames: SUSE Linux Enterprise Micro 5.1 GA krb5-1.16.3-3.21.1
SUSE Linux Enterprise Micro 5.2	krb5 >= 1.19.2-150300.8.3.2	Patchnames: SUSE Linux Enterprise Micro 5.2 GA krb5-1.19.2-150300.8.3.2
SUSE Linux Enterprise Micro 5.3	krb5 >= 1.19.2-150400.1.9	Patchnames: SUSE Linux Enterprise Micro 5.3 GA krb5-1.19.2-150400.1.9
SUSE Linux Enterprise Micro 5.4	krb5 >= 1.19.2-150400.3.3.1	Patchnames: SUSE Linux Enterprise Micro 5.4 GA krb5-1.19.2-150400.3.3.1
SUSE Linux Enterprise Module for Server Applications 15 SP1	krb5-plugin-kdb-ldap >= 1.16.3-1.16 krb5-server >= 1.16.3-1.16	Patchnames: SUSE Linux Enterprise Module for Server Applications 15 SP1 GA krb5-plugin-kdb-ldap-1.16.3-1.16
SUSE Linux Enterprise Module for Server Applications 15 SP2	krb5-plugin-kdb-ldap >= 1.16.3-3.6.1 krb5-server >= 1.16.3-3.6.1	Patchnames: SUSE Linux Enterprise Module for Server Applications 15 SP2 GA krb5-plugin-kdb-ldap-1.16.3-3.6.1
SUSE Linux Enterprise Module for Server Applications 15 SP3	krb5-plugin-kdb-ldap >= 1.16.3-3.15.1 krb5-server >= 1.16.3-3.15.1	Patchnames: SUSE Linux Enterprise Module for Server Applications 15 SP3 GA krb5-plugin-kdb-ldap-1.16.3-3.15.1
SUSE Linux Enterprise Module for Server Applications 15 SP4	krb5-plugin-kdb-ldap >= 1.19.2-150400.1.9 krb5-server >= 1.19.2-150400.1.9	Patchnames: SUSE Linux Enterprise Module for Server Applications 15 SP4 GA krb5-plugin-kdb-ldap-1.19.2-150400.1.9
SUSE Linux Enterprise Module for Server Applications 15	krb5-plugin-kdb-ldap >= 1.15.2-4.25 krb5-server >= 1.15.2-4.25	Patchnames: SUSE Linux Enterprise Module for Server Applications 15 GA krb5-plugin-kdb-ldap-1.15.2-4.25
openSUSE Leap 15.0	krb5 >= 1.15.2-lp150.4.4 krb5-32bit >= 1.15.2-lp150.4.4 krb5-server >= 1.15.2-lp150.4.4	Patchnames: openSUSE Leap 15.0 GA krb5-1.15.2-lp150.4.4
openSUSE Leap 15.2	krb5 >= 1.16.3-lp152.4.6 krb5-32bit >= 1.16.3-lp152.4.6	Patchnames: openSUSE Leap 15.2 GA krb5-1.16.3-lp152.4.3
openSUSE Leap 15.3	krb5 >= 1.16.3-3.18.1 krb5-32bit >= 1.16.3-3.18.1	Patchnames: openSUSE Leap 15.3 GA krb5-1.16.3-3.18.1
openSUSE Leap 15.4	krb5 >= 1.19.2-150400.1.9 krb5-32bit >= 1.19.2-150400.1.9	Patchnames: openSUSE Leap 15.4 GA krb5-1.19.2-150400.1.9
openSUSE Tumbleweed	krb5 >= 1.19.2-2.2 krb5-32bit >= 1.19.2-2.2 krb5-client >= 1.19.2-2.2 krb5-devel >= 1.19.2-2.2 krb5-devel-32bit >= 1.19.2-2.2 krb5-plugin-kdb-ldap >= 1.19.2-2.2 krb5-plugin-preauth-otp >= 1.19.2-2.2 krb5-plugin-preauth-pkinit >= 1.19.2-2.2 krb5-plugin-preauth-spake >= 1.19.2-2.2 krb5-server >= 1.19.2-2.2	Patchnames: openSUSE Tumbleweed GA krb5-1.19.2-2.2

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First public cloud image revisions this CVE is fixed in:

• alibaba/sles-15-sp3-chost-byos-v20210729
• alibaba/sles-15-sp3-chost-byos-v20210827
• amazon/suse-manager-4-2-proxy-byos-v20210924-hvm-ssd-x86_64
• amazon/suse-manager-4-2-server-byos-v20210924-hvm-ssd-x86_64
• amazon/suse-sles-15-sp3-byos-v20210924-hvm-ssd-arm64
• amazon/suse-sles-15-sp3-byos-v20210924-hvm-ssd-x86_64
• amazon/suse-sles-15-sp3-chost-byos-v20210729-hvm-ssd-x86_64
• amazon/suse-sles-15-sp3-chost-byos-v20210827-hvm-ssd-x86_64
• amazon/suse-sles-15-sp3-v20210924-ecs-hvm-ssd-x86_64
• amazon/suse-sles-15-sp3-v20210924-hvm-ssd-arm64
• amazon/suse-sles-15-sp3-v20210924-hvm-ssd-x86_64
• amazon/suse-sles-hpc-15-sp3-byos-v20210924-hvm-ssd-x86_64
• amazon/suse-sles-sap-15-sp3-byos-v20210924-hvm-ssd-x86_64
• google/sles-15-sp3-byos-v20210812
• google/sles-15-sp3-chost-byos-v20210729
• google/sles-15-sp3-chost-byos-v20210827
• google/sles-15-sp3-sap-byos-v20210812
• google/sles-15-sp3-sap-v20210812
• google/sles-15-sp3-sapcal-v20210812
• google/sles-15-sp3-v20210812
• google/suse-manager-4-2-proxy-byos-v20210812
• google/suse-manager-4-2-server-byos-v20210812
• microsoft/suse-manager-4-2-proxy-byos-v20210924
• microsoft/suse-manager-4-2-server-byos-v20210924
• microsoft/suse-sles-15-sp3-basic-v20210924
• microsoft/suse-sles-15-sp3-byos-v20210924
• microsoft/suse-sles-15-sp3-chost-byos-v20210729
• microsoft/suse-sles-15-sp3-chost-byos-v20210827
• microsoft/suse-sles-15-sp3-hpc-byos-v20210924
• microsoft/suse-sles-15-sp3-hpc-v20210924
• microsoft/suse-sles-15-sp3-sapcal-v20220120
• microsoft/suse-sles-15-sp3-v20210924
• microsoft/suse-sles-sap-15-sp3-byos-v20210924
• microsoft/suse-sles-sap-15-sp3-v20210924

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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 Linux Enterprise Server 12 SP5	krb5	Not affected
SUSE Linux Enterprise Server 12-LTSS	krb5	Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP5	krb5	Not affected
SUSE Linux Enterprise Software Development Kit 12 SP5	krb5	Not affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SLES15-EC2-CHOST-HVM-BYOS	krb5	Already fixed
SUSE Linux Enterprise High Performance Computing 15	krb5	Already fixed
SUSE Linux Enterprise High Performance Computing 15-ESPOS	krb5	Already fixed
SUSE Linux Enterprise High Performance Computing 15-LTSS	krb5	Already fixed
SUSE Linux Enterprise Server 12 SP2-BCL	krb5	Not affected
SUSE Linux Enterprise Server 15-ESPOS	krb5	Already fixed
SUSE Linux Enterprise Server for SAP Applications 15	krb5	Already fixed
Products past their end of life and not receiving proactive updates anymore.
HPE Helion OpenStack 8	krb5	Not affected
Magnum Orchestration 7	krb5	Not affected
SUSE CaaS Platform 3.0	krb5	Not affected
SUSE Linux Enterprise Desktop 11 SP4	krb5	Not affected
SUSE Linux Enterprise Desktop 12	krb5	Not affected
SUSE Linux Enterprise Desktop 12 SP1	krb5	Not affected
SUSE Linux Enterprise Desktop 12 SP2	krb5	Unsupported
SUSE Linux Enterprise Desktop 12 SP3	krb5	Not affected
SUSE Linux Enterprise Desktop 12 SP4	krb5	Not affected
SUSE Linux Enterprise Desktop 15	krb5	Already fixed
SUSE Linux Enterprise Module for Basesystem 15	krb5	Already fixed
SUSE Linux Enterprise Module for Server Applications 15	krb5	Already fixed
SUSE Linux Enterprise Server 11 SP3	krb5	Not affected
SUSE Linux Enterprise Server 11 SP3 LTSS	krb5	Not affected
SUSE Linux Enterprise Server 11 SP3-LTSS	krb5	Not affected
SUSE Linux Enterprise Server 11 SP4	krb5	Not affected
SUSE Linux Enterprise Server 11 SP4-LTSS	krb5	Not affected
SUSE Linux Enterprise Server 12	krb5	Not affected
SUSE Linux Enterprise Server 12 SP1	krb5	Not affected
SUSE Linux Enterprise Server 12 SP1-LTSS	krb5	Not affected
SUSE Linux Enterprise Server 12 SP2	krb5	Not affected
SUSE Linux Enterprise Server 12 SP2-ESPOS	krb5	Not affected
SUSE Linux Enterprise Server 12 SP2-LTSS	krb5	Not affected
SUSE Linux Enterprise Server 12 SP3	krb5	Not affected
SUSE Linux Enterprise Server 12 SP3-BCL	krb5	Not affected
SUSE Linux Enterprise Server 12 SP3-ESPOS	krb5	Not affected
SUSE Linux Enterprise Server 12 SP3-LTSS	krb5	Not affected
SUSE Linux Enterprise Server 12 SP4	krb5	Not affected
SUSE Linux Enterprise Server 12 SP4-ESPOS	krb5	Not affected
SUSE Linux Enterprise Server 12 SP4-LTSS	krb5	Not affected
SUSE Linux Enterprise Server 15	krb5	Already fixed
SUSE Linux Enterprise Server 15-LTSS	krb5	Already fixed
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2	krb5	Not affected
SUSE Linux Enterprise Server for SAP Applications 11 SP4	krb5	Not affected
SUSE Linux Enterprise Server for SAP Applications 12	krb5	Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP1	krb5	Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2	krb5	Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP3	krb5	Not affected
SUSE Linux Enterprise Server for SAP Applications 12 SP4	krb5	Not affected
SUSE Linux Enterprise Software Development Kit 11 SP4	krb5	Not affected
SUSE Linux Enterprise Software Development Kit 12	krb5	Not affected
SUSE Linux Enterprise Software Development Kit 12 SP1	krb5	Not affected
SUSE Linux Enterprise Software Development Kit 12 SP2	krb5	Not affected
SUSE Linux Enterprise Software Development Kit 12 SP3	krb5	Not affected
SUSE Linux Enterprise Software Development Kit 12 SP4	krb5	Not affected
SUSE OpenStack Cloud 7	krb5	Not affected
SUSE OpenStack Cloud 8	krb5	Not affected
SUSE OpenStack Cloud 9	krb5	Not affected
SUSE OpenStack Cloud Crowbar 8	krb5	Not affected
SUSE OpenStack Cloud Crowbar 9	krb5	Not affected
Container Status
suse/sle15:15.0	krb5	Already fixed
suse/sles12sp3 suse/sles12sp4 suse/sles12sp5	krb5	Not affected

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SUSE Timeline for this CVE

CVE page created: Fri Jul 21 09:45:18 2017
CVE page last modified: Mon Oct 30 17:35:47 2023