Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Local
0

CVE-2019-19921

Disclosure Date: February 12, 2020
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

runc through 1.0.0-rc9 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfs_linux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run custom images. (This vulnerability does not affect Docker due to an implementation detail that happens to block the attack.)

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CVSS V3 Severity and Metrics
Base Score:
7.0 High
Impact Score:
5.9
Exploitability Score:
1
Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Local
Attack Complexity (AC):
High
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • canonical,
  • debian,
  • linuxfoundation,
  • opensuse,
  • redhat

Products

  • debian linux 10.0,
  • debian linux 9.0,
  • leap 15.1,
  • openshift container platform 4.1,
  • openshift container platform 4.2,
  • runc,
  • runc 1.0.0,
  • ubuntu linux 18.04,
  • ubuntu linux 19.10

References

Additional Info

Technical Analysis