CVE-2017-16539 Information

Description

The DefaultLinuxSpec function in oci/defaults.go in Docker Moby through 17.03.2-ce does not block /proc/scsi pathnames which allows attackers to trigger data loss (when certain older Linux kernels are used) by leveraging Docker container access to write a \scsi remove-single-device\ line to /proc/scsi/scsi aka SCSI MICDROP.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://github.com/moby/moby/pull/35399 https://github.com/moby/moby/pull/35399/commits/a21ecdf3c8a343a7c94e4c4d01b178c87ca7aaa1 https://marc.info/?l=linux-scsi&m=150985062200941&w=2 https://marc.info/?l=linux-scsi&m=150985455801444&w=2 https://twitter.com/ewindisch/status/926443521820774401

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.9