CVE-2018-7750

Upstream information

CVE-2018-7750 at MITRE

Description

transport.py in the SSH server implementation of Paramiko before 1.17.6, 1.18.x before 1.18.5, 2.0.x before 2.0.8, 2.1.x before 2.1.5, 2.2.x before 2.2.3, 2.3.x before 2.3.2, and 2.4.x before 2.4.1 does not properly check whether authentication is completed before processing other requests, as demonstrated by channel-open. A customized SSH client can simply skip the authentication step.

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SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores

	National Vulnerability Database
Base Score	7.5
Vector	AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector	Network
Access Complexity	Low
Authentication	None
Confidentiality Impact	Partial
Integrity Impact	Partial
Availability Impact	Partial

CVSS v3 Scores

	National Vulnerability Database	SUSE
Base Score	9.8	10
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Access Vector	Network	Network
Access Complexity	Low	Low
Privileges Required	None	None
User Interaction	None	None
Scope	Unchanged	Changed
Confidentiality Impact	High	High
Integrity Impact	High	High
Availability Impact	High	High
CVSSv3 Version	3.1	3

SUSE Bugzilla entries: 1085276 [RESOLVED / FIXED], 1111151 [REOPENED]

SUSE Security Advisories:

• SUSE-SU-2018:0844-1, published Thu, 29 Mar 2018 18:08:31 +0200 (CEST)
• SUSE-SU-2018:0873-1, published Wed, 4 Apr 2018 18:07:45 +0200 (CEST)
• SUSE-SU-2018:1850-1, published Fri Jun 29 10:07:59 MDT 2018
• SUSE-SU-2018:1971-1, published Tue Jul 17 04:12:35 MDT 2018
• SUSE-SU-2018:2777-1, published Fri Sep 21 04:11:29 MDT 2018
• SUSE-SU-2018:2853-1, published Tue Sep 25 07:10:53 MDT 2018
• openSUSE-SU-2018:0799-1, published Sat, 24 Mar 2018 00:10:57 +0100 (CET)
• unknown, published Tue, 5 Jun 2007 15:21:19 +0200

List of released packages

Product(s)	Fixed package version(s)	References
Image SLES12-SP4-EC2-HVM-BYOS Image SLES12-SP4-SAP-EC2-HVM Image SLES12-SP4-SAP-EC2-HVM-BYOS Image SLES12-SP5-EC2-BYOS Image SLES12-SP5-EC2-On-Demand Image SLES12-SP5-EC2-SAP-BYOS Image SLES12-SP5-EC2-SAP-On-Demand	python-paramiko >= 1.18.5-10.6.1
SUSE Enterprise Storage 3	python-paramiko >= 1.15.2-2.6.1	Patchnames: SUSE-Storage-3-2018-588
SUSE Enterprise Storage 4	python-paramiko >= 2.0.8-3.3.1	Patchnames: SUSE-Storage-4-2018-566
SUSE Enterprise Storage 5	python-paramiko >= 2.0.8-3.3.1	Patchnames: SUSE-Storage-5-2018-1248
SUSE Linux Enterprise Desktop 15 SP1 SUSE Linux Enterprise High Performance Computing 15 SP1 SUSE Linux Enterprise Module for Basesystem 15 SP1 SUSE Linux Enterprise Server 15 SP1 SUSE Linux Enterprise Server for SAP Applications 15 SP1 SUSE Linux Enterprise Storage 6 SUSE Manager Proxy 4.0 SUSE Manager Retail Branch Server 4.0 SUSE Manager Server 4.0	python3-paramiko >= 2.4.2-4.23	Patchnames: SUSE Linux Enterprise Module for Basesystem 15 SP1 GA python3-paramiko-2.4.2-4.23
SUSE Linux Enterprise Desktop 15 SP2 SUSE Linux Enterprise High Performance Computing 15 SP2 SUSE Linux Enterprise Module for Basesystem 15 SP2 SUSE Linux Enterprise Server 15 SP2 SUSE Linux Enterprise Server for SAP Applications 15 SP2 SUSE Linux Enterprise Storage 7 SUSE Manager Proxy 4.1 SUSE Manager Retail Branch Server 4.1 SUSE Manager Server 4.1	python3-paramiko >= 2.4.2-6.6.1	Patchnames: SUSE Linux Enterprise Module for Basesystem 15 SP2 GA python3-paramiko-2.4.2-6.6.1
SUSE Linux Enterprise Desktop 15 SP3 SUSE Linux Enterprise High Performance Computing 15 SP3 SUSE Linux Enterprise Module for Basesystem 15 SP3 SUSE Linux Enterprise Server 15 SP3 SUSE Linux Enterprise Server for SAP Applications 15 SP3 SUSE Linux Enterprise Storage 7.1 SUSE Manager Proxy 4.2 SUSE Manager Retail Branch Server 4.2 SUSE Manager Server 4.2	python3-paramiko >= 2.4.2-6.6.1	Patchnames: SUSE Linux Enterprise Module for Basesystem 15 SP3 GA python3-paramiko-2.4.2-6.6.1
SUSE Linux Enterprise Desktop 15 SP4 SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise Module for Basesystem 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	python3-paramiko >= 2.4.2-150100.6.12.1	Patchnames: SUSE Linux Enterprise Module for Basesystem 15 SP4 GA python3-paramiko-2.4.2-150100.6.12.1
SUSE Linux Enterprise Desktop 15 SUSE Linux Enterprise Module for Basesystem 15	python2-paramiko >= 2.4.1-1.15	Patchnames: SUSE Linux Enterprise Module for Basesystem 15 GA python2-paramiko-2.4.1-1.15
SUSE Linux Enterprise High Performance Computing 12 SUSE Linux Enterprise Module for Public Cloud 12 SUSE Linux Enterprise Server 12 SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server for SAP Applications 12 SUSE Linux Enterprise Server for SAP Applications 12 SP3 SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP5	python-paramiko >= 1.18.5-2.12.1	Patchnames: SUSE-SLE-Module-Public-Cloud-12-2018-1329 SUSE-SLE-Module-Public-Cloud-12-2018-1945
SUSE Linux Enterprise High Performance Computing 15 SUSE Linux Enterprise Server 15 SUSE Linux Enterprise Server for SAP Applications 15	python2-paramiko >= 2.4.1-1.15 python3-paramiko >= 2.4.1-1.15	Patchnames: SUSE Linux Enterprise Module for Basesystem 15 GA python2-paramiko-2.4.1-1.15 SUSE Linux Enterprise Module for Public Cloud 15 GA python3-paramiko-2.4.1-1.15
SUSE Linux Enterprise Module for Public Cloud 15	python3-paramiko >= 2.4.1-1.15	Patchnames: SUSE Linux Enterprise Module for Public Cloud 15 GA python3-paramiko-2.4.1-1.15
SUSE Manager Tools 12-BETA	venv-salt-minion >= 3002.2-3.3.2	Patchnames: SUSE-SLE-Manager-Tools-12-BETA-2022-445
SUSE Manager Tools 15-BETA	venv-salt-minion >= 3002.2-159000.3.3.2	Patchnames: SUSE-SLE-Manager-Tools-15-BETA-2022-444
SUSE OpenStack Cloud 6	python-paramiko >= 1.15.2-2.6.1	Patchnames: SUSE-OpenStack-Cloud-6-2018-588
SUSE OpenStack Cloud 7	python-paramiko >= 2.0.8-3.3.1	Patchnames: SUSE-OpenStack-Cloud-7-2018-566
openSUSE Leap 15.0	python2-paramiko >= 2.4.1-lp150.1.1	Patchnames: openSUSE Leap 15.0 GA python2-paramiko-2.4.1-lp150.1.1
openSUSE Tumbleweed	python-paramiko-doc >= 2.7.2-3.7 python36-paramiko >= 2.7.2-3.7 python38-paramiko >= 2.7.2-3.7 python39-paramiko >= 2.7.2-3.7	Patchnames: openSUSE Tumbleweed GA python-paramiko-doc-2.7.2-3.7

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First public cloud image revisions this CVE is fixed in:

• 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-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
• 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-hpc-byos-v20210924
• microsoft/suse-sles-15-sp3-hpc-v20210924
• 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.

Product(s)	Source package	State
HPE Helion OpenStack 8	python-paramiko	Already fixed
Magnum Orchestration	python-paramiko	Released
SUSE Container as a Service Platform 2.0	python-paramiko	Released
SUSE Enterprise Storage 3	python-paramiko	Released
SUSE Enterprise Storage 4	python-paramiko	Released
SUSE Enterprise Storage 5	python-paramiko	Released
SUSE Linux Enterprise Desktop 15	python-paramiko	Already fixed
SUSE Linux Enterprise High Performance Computing 12	python-paramiko	Released
SUSE Linux Enterprise High Performance Computing 15	python-paramiko	Already fixed
SUSE Linux Enterprise High Performance Computing 15 LTSS	python-paramiko	Already fixed
SUSE Linux Enterprise Module for Basesystem 15	python-paramiko	Already fixed
SUSE Linux Enterprise Module for Public Cloud 12	python-paramiko	Released
SUSE Linux Enterprise Module for Public Cloud 15	python-paramiko	Already fixed
SUSE Linux Enterprise Server 12	python-paramiko	Released
SUSE Linux Enterprise Server 12 SP3	python-paramiko	Released
SUSE Linux Enterprise Server 12 SP4	python-paramiko	Released
SUSE Linux Enterprise Server 12 SP5	python-paramiko	Released
SUSE Linux Enterprise Server 15	python-paramiko	Already fixed
SUSE Linux Enterprise Server 15 ESPOS	python-paramiko	Already fixed
SUSE Linux Enterprise Server 15 LTSS	python-paramiko	Already fixed
SUSE Linux Enterprise Server for SAP Applications 12	python-paramiko	Released
SUSE Linux Enterprise Server for SAP Applications 12 SP3	python-paramiko	Released
SUSE Linux Enterprise Server for SAP Applications 12 SP4	python-paramiko	Released
SUSE Linux Enterprise Server for SAP Applications 12 SP5	python-paramiko	Released
SUSE Linux Enterprise Server for SAP Applications 15	python-paramiko	Already fixed
SUSE OpenStack Cloud 6	python-paramiko	Released
SUSE OpenStack Cloud 7	python-paramiko	Released
SUSE OpenStack Cloud 8	python-paramiko	Already fixed
SUSE OpenStack Cloud Crowbar 8	python-paramiko	Already fixed