Docker CVE-2018-15664 Symlink Directory Traversal Vulnerability

Bugtraq ID:	108507
Class:	Input Validation Error
CVE:	CVE-2018-15664
Remote:	Yes
Local:	No
Published:	May 28 2019 12:00AM
Updated:	May 28 2019 12:00AM
Credit:	Aleksa Sarai
Vulnerable:	Docker Docker 0
Not Vulnerable:

Docker CVE-2018-15664 Symlink Directory Traversal Vulnerability

Docker is prone to a directory-traversal vulnerability.

An attacker may exploit this issue to gain read/write access to the files outside of the restricted directory; this may aid in further attacks.

Docker CVE-2018-15664 Symlink Directory Traversal Vulnerability

The researcher has created a proof-of-concept to demonstrate the issue. Please see the references for more information.

Docker CVE-2018-15664 Symlink Directory Traversal Vulnerability

Solution:
Currently, we are not aware of any vendor-supplied patches. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Docker CVE-2018-15664 Symlink Directory Traversal Vulnerability

References:

• Docker - Homepage (Docker)
  
• Bug 1096726 - (CVE-2018-15664) VUL-0: CVE-2018-15664: docker: 'docker cp' is vu ()
  
• Properly handle paths with symlink path components #6000 ()
  
• cp command follows symlinks into the host filesystem, not the container #5619 ()
  
• CVE-2018-15664: docker (all versions) is vulnerable to a symlink-race attack ()
  
• daemon: archive: pause containers before doing filesystem operations #39252 (Github)