CVE-2018-20685

Public on 2019-05-29
Modified on 2019-10-30
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.
Severity
Medium
CVSS v3 Base Score
5.3
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 openssh 2019-05-29 19:02 ALAS2-2019-1216
Amazon Linux 1 openssh 2019-10-28 17:02 ALAS-2019-1313

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.3 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD CVSSv2 2.6 AV:N/AC:H/Au:N/C:N/I:P/A:N
NVD CVSSv3 5.3 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N