Path traversal in Docker - CVE-2018-15664
Published: September 2, 2019
Vulnerability identifier: #VU20501
CSH Severity: Low
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-15664
CWE-ID: CWE-22
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to perform directory traversal attacks.
The vulnerability exists due to the API endpoints behind the 'docker cp' command are vulnerable to a symlink-exchange attack. A local authenticated attacker can gain read-write access to the host filesystem with root privileges, because "daemon/archive.go" does not do archive operations on a frozen filesystem (or from within a chroot).
Affected software
Docker
Amazon Linux AMI
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power
Opensuse
IBM Cloud Automation Manager
docker (Alpine package)
Amazon Linux AMI
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power
Opensuse
IBM Cloud Automation Manager
docker (Alpine package)
How to mitigate CVE-2018-15664
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
docker (Alpine package) - update to 18.09.7-r0