CVE-2018-20685

Upstream information

CVE-2018-20685 at MITRE

Description

In OpenSSH 7.9, scp.c in the scp client allows remote SSH servers to bypass intended access restrictions via the filename of . or an empty filename. The impact is modifying the permissions of the target directory on the client side.

SUSE information

Overall state of this security issue: Running

This issue is currently rated as having important severity.

CVSS v2 Scores
	National Vulnerability Database
Base Score	2.6
Vector	AV:N/AC:H/Au:N/C:N/I:P/A:N
Access Vector	Network
Access Complexity	High
Authentication	None
Confidentiality Impact	None
Integrity Impact	Partial
Availability Impact	None

CVSS v3 Scores
	National Vulnerability Database	SUSE
Base Score	5.3	7.3
Vector	CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H
Access Vector	Network	Network
Access Complexity	High	Low
Privileges Required	None	Low
User Interaction	Required	Required
Scope	Unchanged	Unchanged
Confidentiality Impact	None	None
Integrity Impact	High	High
Availability Impact	None	High
CVSSv3 Version	3	3

SUSE Bugzilla entries: 1121571 [IN_PROGRESS], 1123220 [RESOLVED / FIXED], 1131109 [NEW]

SUSE Security Advisories:

SUSE-SU-2019:0125-1, published Fri Jan 18 10:12:03 MST 2019
SUSE-SU-2019:0125-2, published Mon Apr 29 04:19:19 MDT 2019
SUSE-SU-2019:0126-1, published Fri Jan 18 10:15:12 MST 2019
SUSE-SU-2019:0132-1, published Mon Jan 21 07:12:07 MST 2019
SUSE-SU-2019:13931-1, published Fri Jan 18 13:09:48 MST 2019
TID000019375, published Mon Mar 9 15:51:07 CET 2020
TID7023647, published Thu Jan 17 12:52:59 CET 2019
openSUSE-SU-2019:0091-1, published Mon, 28 Jan 2019 15:09:07 +0100 (CET)
openSUSE-SU-2019:0093-1, published Tue, 29 Jan 2019 15:13:14 +0100 (CET)

List of released packages

Product(s)	Fixed package version(s)	References
Image SLES15-EC2-CHOST-HVM-BYOS	`openssh >= 7.6p1-9.13.1`
Openstack Cloud Magnum Orchestration 7	`openssh >= 7.2p2-74.35.1`	Patchnames: SUSE-OpenStack-Cloud-Magnum-Orchestration-7-2019-132
SUSE CaaS Platform 3.0	`openssh >= 7.2p2-74.35.1`	Patchnames: SUSE-CAASP-3.0-2019-132
SUSE CaaS Platform ALL	`openssh >= 7.2p2-74.35.1`	Patchnames: SUSE-CAASP-ALL-2019-132
SUSE Enterprise Storage 4	`openssh >= 7.2p2-74.35.1` `openssh-askpass-gnome >= 7.2p2-74.35.1` `openssh-fips >= 7.2p2-74.35.1` `openssh-helpers >= 7.2p2-74.35.1`	Patchnames: SUSE-Storage-4-2019-132
SUSE Linux Enterprise Desktop 12 SP3	`openssh >= 7.2p2-74.35.1` `openssh-askpass-gnome >= 7.2p2-74.35.1` `openssh-helpers >= 7.2p2-74.35.1`	Patchnames: SUSE-SLE-DESKTOP-12-SP3-2019-132
SUSE Linux Enterprise Desktop 12 SP4	`openssh >= 7.2p2-74.35.1` `openssh-askpass-gnome >= 7.2p2-74.35.1` `openssh-helpers >= 7.2p2-74.35.1`	Patchnames: SUSE-SLE-DESKTOP-12-SP4-2019-132
SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise Server 12 SP5	`openssh >= 7.2p2-74.45.1` `openssh-fips >= 7.2p2-74.45.1` `openssh-helpers >= 7.2p2-74.45.1`
SUSE Linux Enterprise Module for Basesystem 15 SP1	`openssh >= 7.9p1-4.7` `openssh-helpers >= 7.9p1-4.7`
SUSE Linux Enterprise Module for Basesystem 15 SP2	`openssh >= 8.1p1-3.21` `openssh-helpers >= 8.1p1-3.21`
SUSE Linux Enterprise Module for Basesystem 15	`openssh >= 7.6p1-9.13.1` `openssh-helpers >= 7.6p1-9.13.1`	Patchnames: SUSE-SLE-Module-Basesystem-15-2019-126
SUSE Linux Enterprise Module for Desktop Applications 15	`openssh-askpass-gnome >= 7.6p1-9.13.1`	Patchnames: SUSE-SLE-Module-Desktop-Applications-15-2019-126
SUSE Linux Enterprise Module for Open Buildservice Development Tools 15	`openssh >= 7.6p1-9.13.1` `openssh-cavs >= 7.6p1-9.13.1`	Patchnames: SUSE-SLE-Module-Development-Tools-OBS-15-2019-126
SUSE Linux Enterprise Module for Server Applications 15 SP1	`openssh-fips >= 7.9p1-4.7`
SUSE Linux Enterprise Module for Server Applications 15 SP2	`openssh-fips >= 8.1p1-3.21`
SUSE Linux Enterprise Module for Server Applications 15	`openssh >= 7.6p1-9.13.1` `openssh-fips >= 7.6p1-9.13.1`	Patchnames: SUSE-SLE-Module-Server-Applications-15-2019-126
SUSE Linux Enterprise Point of Sale 12 SP2-CLIENT	`openssh >= 7.2p2-74.35.1` `openssh-askpass-gnome >= 7.2p2-74.35.1` `openssh-fips >= 7.2p2-74.35.1` `openssh-helpers >= 7.2p2-74.35.1`	Patchnames: SUSE-SLE-POS-12-SP2-CLIENT-2019-132
SUSE Linux Enterprise Server 11 SP4 SUSE Linux Enterprise Server for SAP Applications 11 SP4	`openssh >= 6.6p1-36.12.1` `openssh-askpass-gnome >= 6.6p1-36.12.1` `openssh-fips >= 6.6p1-36.12.1` `openssh-helpers >= 6.6p1-36.12.1`	Patchnames: slessp4-openssh-13931
SUSE Linux Enterprise Server 12 SP1-LTSS SUSE Linux Enterprise Server for SAP Applications 12 SP1-LTSS	`openssh >= 6.6p1-54.26.1` `openssh-askpass-gnome >= 6.6p1-54.26.1` `openssh-fips >= 6.6p1-54.26.1` `openssh-helpers >= 6.6p1-54.26.1`	Patchnames: SUSE-SLE-SERVER-12-SP1-2019-125
SUSE Linux Enterprise Server 12 SP2-BCL SUSE Linux Enterprise Server for SAP Applications 12 SP2-BCL	`openssh >= 7.2p2-74.35.1` `openssh-askpass-gnome >= 7.2p2-74.35.1` `openssh-fips >= 7.2p2-74.35.1` `openssh-helpers >= 7.2p2-74.35.1`	Patchnames: SUSE-SLE-SERVER-12-SP2-BCL-2019-132
SUSE Linux Enterprise Server 12 SP2-ESPOS SUSE Linux Enterprise Server for SAP Applications 12 SP2-ESPOS	`openssh >= 7.2p2-74.35.1` `openssh-askpass-gnome >= 7.2p2-74.35.1` `openssh-fips >= 7.2p2-74.35.1` `openssh-helpers >= 7.2p2-74.35.1`	Patchnames: SUSE-SLE-SERVER-12-SP2-ESPOS-2019-132
SUSE Linux Enterprise Server 12 SP2-LTSS SUSE Linux Enterprise Server for SAP Applications 12 SP2-LTSS	`openssh >= 7.2p2-74.35.1` `openssh-askpass-gnome >= 7.2p2-74.35.1` `openssh-fips >= 7.2p2-74.35.1` `openssh-helpers >= 7.2p2-74.35.1`	Patchnames: SUSE-SLE-SERVER-12-SP2-2019-132
SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server for SAP Applications 12 SP3	`openssh >= 7.2p2-74.35.1` `openssh-askpass-gnome >= 7.2p2-74.35.1` `openssh-fips >= 7.2p2-74.35.1` `openssh-helpers >= 7.2p2-74.35.1`	Patchnames: SUSE-SLE-SERVER-12-SP3-2019-132
SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP4	`openssh >= 7.2p2-74.35.1` `openssh-askpass-gnome >= 7.2p2-74.35.1` `openssh-fips >= 7.2p2-74.35.1` `openssh-helpers >= 7.2p2-74.35.1`	Patchnames: SUSE-SLE-SERVER-12-SP4-2019-132
SUSE Linux Enterprise Server 12-LTSS SUSE Linux Enterprise Server for SAP Applications 12-LTSS	`openssh >= 6.6p1-54.26.1` `openssh-askpass-gnome >= 6.6p1-54.26.1` `openssh-fips >= 6.6p1-54.26.1` `openssh-helpers >= 6.6p1-54.26.1`	Patchnames: SUSE-SLE-SERVER-12-2019-125
SUSE Linux Enterprise Server for SAP Applications 12 SP1	`openssh >= 6.6p1-54.26.1` `openssh-askpass-gnome >= 6.6p1-54.26.1` `openssh-fips >= 6.6p1-54.26.1` `openssh-helpers >= 6.6p1-54.26.1`	Patchnames: SUSE-SLE-SAP-12-SP1-2019-125
SUSE Linux Enterprise Server for SAP Applications 12 SP2	`openssh >= 7.2p2-74.35.1` `openssh-askpass-gnome >= 7.2p2-74.35.1` `openssh-fips >= 7.2p2-74.35.1` `openssh-helpers >= 7.2p2-74.35.1`	Patchnames: SUSE-SLE-SAP-12-SP2-2019-132
SUSE OpenStack Cloud 7	`openssh >= 7.2p2-74.35.1` `openssh-askpass-gnome >= 7.2p2-74.35.1` `openssh-fips >= 7.2p2-74.35.1` `openssh-helpers >= 7.2p2-74.35.1`	Patchnames: SUSE-OpenStack-Cloud-7-2019-132
openSUSE Leap 15.0	`openssh >= 7.6p1-lp150.8.9.1` `openssh-askpass-gnome >= 7.6p1-lp150.8.9.1` `openssh-askpass-gnome-debuginfo >= 7.6p1-lp150.8.9.1` `openssh-cavs >= 7.6p1-lp150.8.9.1` `openssh-cavs-debuginfo >= 7.6p1-lp150.8.9.1` `openssh-debuginfo >= 7.6p1-lp150.8.9.1` `openssh-debugsource >= 7.6p1-lp150.8.9.1` `openssh-fips >= 7.6p1-lp150.8.9.1` `openssh-helpers >= 7.6p1-lp150.8.9.1` `openssh-helpers-debuginfo >= 7.6p1-lp150.8.9.1`	Patchnames: openSUSE-2019-91
openSUSE Leap 42.3	`openssh >= 7.2p2-29.1` `openssh-askpass-gnome >= 7.2p2-29.1` `openssh-askpass-gnome-debuginfo >= 7.2p2-29.1` `openssh-cavs >= 7.2p2-29.1` `openssh-cavs-debuginfo >= 7.2p2-29.1` `openssh-debuginfo >= 7.2p2-29.1` `openssh-debugsource >= 7.2p2-29.1` `openssh-fips >= 7.2p2-29.1` `openssh-helpers >= 7.2p2-29.1` `openssh-helpers-debuginfo >= 7.2p2-29.1`	Patchnames: openSUSE-2019-93

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
Magnum Orchestration	openssh	Released
SLES for SAP Applications	openssh	Affected
SUSE CaaS Platform 3.0	openssh	Released
SUSE Container as a Service Platform 2.0	openssh	Released
SUSE Linux Enterprise Desktop 12 SP3	openssh	Released
SUSE Linux Enterprise Desktop 12 SP4	openssh	Released
SUSE Linux Enterprise High Performance Computing 12 SP4	openssh	Released
SUSE Linux Enterprise Module for Basesystem 15	openssh	Released
SUSE Linux Enterprise Module for Server Applications 15	openssh	Released
SUSE Linux Enterprise Point of Service 11 SP3	openssh	Released
SUSE Linux Enterprise Server 11 SP3 LTSS	openssh	Affected
SUSE Linux Enterprise Server 11 SP4	openssh	Released
SUSE Linux Enterprise Server 12 LTSS	openssh	Released
SUSE Linux Enterprise Server 12 SP1 LTSS	openssh	Released
SUSE Linux Enterprise Server 12 SP2 LTSS	openssh	Released
SUSE Linux Enterprise Server 12 SP3	openssh	Released
SUSE Linux Enterprise Server 12 SP4	openssh	Released
SUSE Linux Enterprise Server for SAP Applications 12	openssh	Affected
SUSE Linux Enterprise Server for SAP Applications 12 SP2	openssh	Released
SUSE Linux Enterprise Server for SAP Applications 12 SP3	openssh	Released
SUSE Linux Enterprise Server for SAP Applications 12 SP4	openssh	Released
Security Module for SUSE Linux Enterprise 11	openssh-openssl1	Affected