CVE-2017-16539

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.

Category

5.9
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.77% Top 30%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory marc.info Third-Party Advisory marc.info Third-Party Advisory twitter.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://marc.info/?l=linux-scsi&m=150985455801444&w=2 patch third party advisory issue tracking
https://github.com/moby/moby/pull/35399/commits/a21ecdf3c8a343a7c94e4c4d01b178c87ca7aaa1 patch third party advisory issue tracking
https://marc.info/?l=linux-scsi&m=150985062200941&w=2 patch third party advisory issue tracking
https://github.com/moby/moby/pull/35399 patch third party advisory issue tracking
https://twitter.com/ewindisch/status/926443521820774401 third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-16539?
CVE-2017-16539 has been scored as a medium severity vulnerability.
How to fix CVE-2017-16539?
To fix CVE-2017-16539, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-16539 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-16539 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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