Impact: Moderate Public Date: 2019-09-22 CWE: CWE-41 Bugzilla: 1757214: CVE-2019-16884 runc: AppArmor can be bypassed by a malicious image that specifies a volume at /proc runc through 1.0.0-rc8, as used in Docker through 19.03.2-ce and other products, allows AppArmor restriction bypass because libcontainer/rootfs_linux.go incorrectly checks mount targets, and thus a malicious Docker image can mount over a /proc directory.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2019-16884 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 7.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity Impact | High |
| Availability Impact | None |
| Platform | Package | State |
|---|---|---|
| Red Hat OpenShift Container Platform 4.1 | runc | Under investigation |
| Red Hat OpenShift Container Platform 3.9 | runc | Under investigation |
| Red Hat OpenShift Container Platform 3.11 | runc | Under investigation |
| Red Hat Enterprise Linux 8 | runc | Under investigation |
Vulmon