AppArmor Restriction Bypass in Docker and runc
CVE-2019-16884
7.5HIGH
Summary
A vulnerability in runc, used by Docker, allows attackers to bypass AppArmor restrictions due to incorrect checks on mount targets in libcontainer/rootfs_linux.go. This flaw enables malicious Docker images to potentially mount over the crucial /proc directory, exposing sensitive information or compromising system security. Users of affected Docker versions should update to mitigate this risk.
References
CVSS V3.1
Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved