CVE-2019-16884
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Linuxfoundation Runc
PublishedSep 25, 2019
First seenSep 25, 2019
How to fix
Update
- github.com/opencontainers/runc1.0.0-rc8.0.20190930145003-cad42f6e0932 or later
- github.com/opencontainers/selinux1.3.1-0.20190929122143-5215b1806f52 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DGK6IV5JGVDXHOXEKJOJWKOVNZLT6MYR/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62OQ2P7K5YDZ5BRCH2Q6DHUJIHQD3QCD/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPK4JWP32BUIVDJ3YODZSOEVEW6BHQCF/
- access.redhat.com/errata/RHSA-2019:3940
- access.redhat.com/errata/RHSA-2019:4074
- access.redhat.com/errata/RHSA-2019:4269
- security.gentoo.org/glsa/202003-21
- usn.ubuntu.com/4297-1/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linuxfoundation runc | 0.0.1 ≤ v ≤ 0.1.1, 1.0.0 | — |
| docker docker | v ≤ 19.03.2 | — |
| fedoraproject fedora | 29, 30, 31 | — |
| opensuse leap | 15.0, 15.1 | — |
| redhat openshift_container_platform | 4.1, 4.2 | — |
| redhat enterprise_linux | 8.0 | — |
| redhat enterprise_linux_eus | 8.1, 8.2, 8.4 | — |
| redhat enterprise_linux_server_aus | 8.2, 8.4 | — |
| redhat enterprise_linux_server_tus | 8.2, 8.4 | — |
| canonical ubuntu_linux | 18.04, 19.10 | — |
| github.com/opencontainers/runcGo | v < 1.0.0-rc8.0.20190930145003-cad42f6e0932 | 1.0.0-rc8.0.20190930145003-cad42f6e0932 |
| github.com/opencontainers/selinuxGo | v < 1.3.1-0.20190929122143-5215b1806f52 | 1.3.1-0.20190929122143-5215b1806f52 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.