CVE-2018-15664

Public on 2019-07-17
Modified on 2019-07-25
Description
A flaw was discovered in the API endpoint behind the 'docker cp' command. The endpoint is vulnerable to a Time Of Check to Time Of Use (TOCTOU) vulnerability in the way it handles symbolic links inside a container. An attacker who has compromised an existing container can cause arbitrary files on the host filesystem to be read/written when an administrator tries to copy a file from/to the container.
Severity
Medium
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 docker 2019-07-17 23:53 ALAS-2019-1245

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
NVD CVSSv2 6.2 AV:L/AC:H/Au:N/C:C/I:C/A:C
NVD CVSSv3 7.5 CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H