CVE-2018-20685

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.

CVSS v3 5.3 MEDIUM
CVSS v2.0 2.6 LOW

5.3^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.6 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

2.6^/10

CVSS v2.0 : LOW

V2 Legend

Vector : AV:N/AC:H/Au:N/C:N/I:P/A:N

Exploitability : 4.9 / Impact : 2.9

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
http://www.securityfocus.com/bid/106531	Broken Link
https://access.redhat.com/errata/RHSA-2019:3702	Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf	Patch Third Party Advisory
https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/scp.c.diff?r1=1.197&r2=1.198&f=h	Patch
https://github.com/openssh/openssh-portable/commit/6010c0303a422a9c5fa8860c061bf7105eb7f8b2	Patch
https://lists.debian.org/debian-lts-announce/2019/03/msg00030.html	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201903-16	Third Party Advisory
https://security.gentoo.org/glsa/202007-53	Third Party Advisory
https://security.netapp.com/advisory/ntap-20190215-0001/	Third Party Advisory
https://sintonen.fi/advisories/scp-client-multiple-vulnerabilities.txt	Patch Third Party Advisory
https://usn.ubuntu.com/3885-1/	Third Party Advisory
https://www.debian.org/security/2019/dsa-4387	Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html	Patch Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:openbsd:openssh::::::::
	cpe:2.3:a:winscp:winscp::::::::

Configuration 2 (hide)

OR	cpe:2.3:a:netapp:cloud_backup:-:::::::*
	cpe:2.3:a:netapp:element_software:-:::::::*
	cpe:2.3:a:netapp:ontap_select_deploy:-:::::::*
	cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:::::::*
	cpe:2.3:a:netapp:storage_automation_store:-:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:debian:debian_linux:8.0:::::::*
	cpe:2.3:o:debian:debian_linux:9.0:::::::*

Configuration 4 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*

Configuration 5 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:8.1:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:8.2:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:8.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:8.6:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:::::::*

Configuration 6 (hide)

cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:*

Configuration 7 (hide)

AND

cpe:2.3:o:fujitsu:m10-1_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:fujitsu:m10-1:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND

cpe:2.3:o:fujitsu:m10-4_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:fujitsu:m10-4:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND

cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:fujitsu:m10-4s:-:*:*:*:*:*:*:*

Configuration 10 (hide)

AND

cpe:2.3:o:fujitsu:m12-1_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:fujitsu:m12-1:-:*:*:*:*:*:*:*

Configuration 11 (hide)

AND

cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:fujitsu:m12-2:-:*:*:*:*:*:*:*

Configuration 12 (hide)

AND

cpe:2.3:o:fujitsu:m12-2s_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:fujitsu:m12-2s:-:*:*:*:*:*:*:*

Configuration 13 (hide)

AND

cpe:2.3:o:fujitsu:m10-1_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:fujitsu:m10-1:-:*:*:*:*:*:*:*

Configuration 14 (hide)

AND

cpe:2.3:o:fujitsu:m10-4_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:fujitsu:m10-4:-:*:*:*:*:*:*:*

Configuration 15 (hide)

AND

cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:fujitsu:m10-4s:-:*:*:*:*:*:*:*

Configuration 16 (hide)

AND

cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:fujitsu:m10-4s:-:*:*:*:*:*:*:*

Configuration 17 (hide)

AND

cpe:2.3:o:fujitsu:m12-1_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:fujitsu:m12-1:-:*:*:*:*:*:*:*

Configuration 18 (hide)

AND

cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:fujitsu:m12-2:-:*:*:*:*:*:*:*

Configuration 19 (hide)

AND

cpe:2.3:o:fujitsu:m12-2s_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:fujitsu:m12-2s:-:*:*:*:*:*:*:*

Configuration 20 (hide)

AND

cpe:2.3:o:siemens:scalance_x204rna_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:scalance_x204rna:-:*:*:*:*:*:*:*

Configuration 21 (hide)

AND

cpe:2.3:o:siemens:scalance_x204rna_eec_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:scalance_x204rna_eec:-:*:*:*:*:*:*:*

History

23 Feb 2023, 23:15

Type	Values Removed	Values Added
References	~~(MISC) https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html -~~	(MISC) https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html - Patch, Third Party Advisory
References	~~(BID) http://www.securityfocus.com/bid/106531 - Third Party Advisory, VDB Entry~~	(BID) http://www.securityfocus.com/bid/106531 - Broken Link
References	~~(CONFIRM) https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf -~~	(CONFIRM) https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf - Patch, Third Party Advisory
References	~~(REDHAT) https://access.redhat.com/errata/RHSA-2019:3702 -~~	(REDHAT) https://access.redhat.com/errata/RHSA-2019:3702 - Third Party Advisory
References	~~(GENTOO) https://security.gentoo.org/glsa/202007-53 -~~	(GENTOO) https://security.gentoo.org/glsa/202007-53 - Third Party Advisory
References	~~(MISC) https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html - Patch~~	(MISC) https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html - Patch, Third Party Advisory
CPE		cpe:2.3:h:fujitsu:m10-4:-:::::::* cpe:2.3:o:redhat:enterprise_linux:8.0:::::::* cpe:2.3:o:fujitsu:m10-1_firmware:::::::: cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:::::::* cpe:2.3:h:fujitsu:m10-4s:-:::::::* cpe:2.3:o:redhat:enterprise_linux_eus:8.2:::::::* cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:::::::* cpe:2.3:o:fujitsu:m12-2s_firmware:::::::: cpe:2.3:o:redhat:enterprise_linux_eus:8.6:::::::* cpe:2.3:o:redhat:enterprise_linux_eus:8.4:::::::* cpe:2.3:o:fujitsu:m10-4s_firmware:::::::: cpe:2.3:o:fujitsu:m12-1_firmware:::::::: cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:::::::* cpe:2.3:h:fujitsu:m12-2s:-:::::::* cpe:2.3:h:fujitsu:m12-2:-:::::::* cpe:2.3:o:siemens:scalance_x204rna_eec_firmware:::::::: cpe:2.3:o:fujitsu:m10-4_firmware:::::::: cpe:2.3:h:siemens:scalance_x204rna_eec:-:::::::* cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:::::::* cpe:2.3:h:siemens:scalance_x204rna:-:::::::* cpe:2.3:o:siemens:scalance_x204rna_firmware:::::::: cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:::::::* cpe:2.3:o:redhat:enterprise_linux_eus:8.1:::::::* cpe:2.3:h:fujitsu:m12-1:-:::::::* cpe:2.3:h:fujitsu:m10-1:-:::::::* cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:::::::* cpe:2.3:o:fujitsu:m12-2_firmware::::::::

13 Dec 2022, 12:15

Type	Values Removed	Values Added
References		(CONFIRM) https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf -

Information

Published : 2019-01-10 21:29

Updated : 2024-02-04 20:03

NVD link : CVE-2018-20685

Mitre link : CVE-2018-20685

CVE.ORG link : CVE-2018-20685

JSON object : View

Products Affected

siemens

scalance_x204rna
scalance_x204rna_firmware
scalance_x204rna_eec_firmware
scalance_x204rna_eec

fujitsu

m10-4s
m12-2s_firmware
m10-1
m10-1_firmware
m10-4_firmware
m12-1
m10-4s_firmware
m12-2s
m10-4
m12-1_firmware
m12-2_firmware
m12-2

netapp

element_software
storage_automation_store
ontap_select_deploy
steelstore_cloud_integrated_storage
cloud_backup

redhat

enterprise_linux
enterprise_linux_eus
enterprise_linux_server_tus
enterprise_linux_server_aus

debian

debian_linux

canonical

ubuntu_linux

oracle

solaris

openbsd

openssh

winscp

winscp

CWE

CWE-863

Incorrect Authorization

5.3 /10

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

2.6 /10

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

JSON object

Attach tags to CVE-2018-20685

5.3^/10

2.6^/10

Attach tags to `CVE-2018-20685`