CVE-2019-19921

7HIGH

Key Information:

Vendor
Linux
Status
Runc
Vendor
CVE Published:
12 February 2020

Summary

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.)

References

https://github.com/opencontainers/runc/releases
https://security-tracker.debian.org/tracker/CVE-2019-19921
https://github.com/opencontainers/runc/issues/2197

CVSS V3.1

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.