Auth bypass in Linuxcontainers Lxc

CVE-2017-5985

lxc-user-nic in Linux Containers (LXC) allows local users with a lxc-usernet allocation to create network interfaces on the host and choose the name of those interfaces by leveraging lack of netns ownership check.

Vulnerability class: Broken Access Control

EPSS: 0.001 (25.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Vendor Advisory, mailing-list, x_refsource_MLIST)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Issue Tracking)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
  • cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
  • cve@mitre.org (vendor-advisory, x_refsource_SUSE)

Frequently asked questions

What is CVE-2017-5985?
CVE-2017-5985 is a low-severity vulnerability in Linuxcontainers Lxc, classified under Missing Authorization. CVSS score: 3.3/10. Published 2017-03-14.
How severe is CVE-2017-5985?
Low severity. CVSS v3 base score is 3.3 out of 10.