CVE-2019-16884
HIGHCVSS 7.5/10EPSS 4.37%
Last modified
CVE-2019-16884 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 4.37% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linuxfoundation | Runc | >= 0.0.1, <= 0.1.1 | — |
| Linuxfoundation | Runc | 1.0.0 | Rc1 |
| Docker | Docker | <= 19.03.2 | — |
| Fedoraproject | Fedora | 29 | — |
| Fedoraproject | Fedora | 30 | — |
| Fedoraproject | Fedora | 31 | — |
| Opensuse | Leap | 15.0 | — |
| Opensuse | Leap | 15.1 | — |
| Redhat | Openshift Container Platform | 4.1 | — |
| Redhat | Openshift Container Platform | 4.2 | — |
| Redhat | Enterprise Linux | 8.0 | — |
| Redhat | Enterprise Linux Eus | 8.1 | — |
| Redhat | Enterprise Linux Eus | 8.2 | — |
| Redhat | Enterprise Linux Eus | 8.4 | — |
| Redhat | Enterprise Linux Server Aus | 8.2 | — |
| Redhat | Enterprise Linux Server Aus | 8.4 | — |
| Redhat | Enterprise Linux Server Tus | 8.2 | — |
| Redhat | Enterprise Linux Server Tus | 8.4 | — |
| Canonical | Ubuntu Linux | 18.04 | — |
| Canonical | Ubuntu Linux | 19.10 | — |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00073.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00009.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00010.htmlMailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3940Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4074Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4269Third Party Advisory
- https://github.com/opencontainers/runc/issues/2128Exploit, Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202003-21Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220221-0004/Third Party Advisory
- https://usn.ubuntu.com/4297-1/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00073.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00009.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00010.htmlMailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3940Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4074Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:4269Third Party Advisory
- https://github.com/opencontainers/runc/issues/2128Exploit, Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202003-21Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220221-0004/Third Party Advisory
- https://usn.ubuntu.com/4297-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-16884?
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.
How severe is CVE-2019-16884?
CVE-2019-16884 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.37% probability of exploitation in the next 30 days.
How do I fix CVE-2019-16884?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
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