CVE-2018-20685

Published Jan 10, 2019

Last updated 5 months ago

Overview

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.
Source
cve@mitre.org
NVD status
Modified
Products
openssh, winscp, cloud_backup, element_software, ontap_select_deploy, steelstore_cloud_integrated_storage, storage_automation_store, debian_linux, ubuntu_linux, enterprise_linux, enterprise_linux_eus, enterprise_linux_server_aus, enterprise_linux_server_tus, solaris, m10-1_firmware, m10-4_firmware, m10-4s_firmware, m12-1_firmware, m12-2_firmware, m12-2s_firmware, scalance_x204rna_firmware, scalance_x204rna_eec_firmware

Risk scores

CVSS 3.1

Type
Primary
Base score
5.3
Impact score
3.6
Exploitability score
1.6
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Severity
MEDIUM

CVSS 2.0

Type
Primary
Base score
2.6
Impact score
2.9
Exploitability score
4.9
Vector string
AV:N/AC:H/Au:N/C:N/I:P/A:N

Weaknesses

nvd@nist.gov
CWE-863
134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-863

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.