CVE-2019-16884
First published: Sun Sep 22 2019(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/runc | <0:1.0.0-67.rc10.el7_8 | 0:1.0.0-67.rc10.el7_8 |
| redhat/docker | <2:1.13.1-161.git64e9980.el7_8 | 2:1.13.1-161.git64e9980.el7_8 |
| redhat/runc | <0:1.0.0-62.rc8.rhaos4.1.git3cbe540.el8 | 0:1.0.0-62.rc8.rhaos4.1.git3cbe540.el8 |
| redhat/runc | <0:1.0.0-63.rc8.el8 | 0:1.0.0-63.rc8.el8 |
| ubuntu/runc | <1.0.0~ | 1.0.0~ |
| ubuntu/runc | <1.0.0~ | 1.0.0~ |
| ubuntu/runc | <1.0.0~ | 1.0.0~ |
| ubuntu/runc | <1.0.0~ | 1.0.0~ |
| ubuntu/runc | <1.0.0~ | 1.0.0~ |
| ubuntu/runc | <1.0.0~ | 1.0.0~ |
| ubuntu/runc | <1.0.0~ | 1.0.0~ |
| ubuntu/runc | <1.0.0~ | 1.0.0~ |
| ubuntu/runc | <1.0.0~ | 1.0.0~ |
| debian/golang-github-opencontainers-selinux | <=1.0.0~rc1+git20170621.5.4a2974b-1 | 1.0.0~rc1+git20170621.5.4a2974b-1+deb10u1 1.8.0-1 1.10.0+ds1-1 1.11.0+ds1-2 |
| debian/runc | <=1.0.0~rc6+dfsg1-3 | 1.0.0~rc6+dfsg1-3+deb10u2 1.0.0~rc93+ds1-5+deb11u2 1.0.0~rc93+ds1-5+deb11u3 1.1.5+ds1-1 1.1.5+ds1-1+deb12u1 1.1.12+ds1-1 |
| Microsoft Azure Kubernetes Service | >=0.0.1<=0.1.1 | |
| Microsoft Azure Kubernetes Service | =1.0.0-rc1 | |
| Microsoft Azure Kubernetes Service | =1.0.0-rc2 | |
| Microsoft Azure Kubernetes Service | =1.0.0-rc3 | |
| Microsoft Azure Kubernetes Service | =1.0.0-rc4 | |
| Microsoft Azure Kubernetes Service | =1.0.0-rc5 | |
| Microsoft Azure Kubernetes Service | =1.0.0-rc6 | |
| Microsoft Azure Kubernetes Service | =1.0.0-rc7 | |
| Microsoft Azure Kubernetes Service | =1.0.0-rc8 | |
| 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 |
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Reference Links
- https://github.com/opencontainers/runc/issues/2128
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DGK6IV5JGVDXHOXEKJOJWKOVNZLT6MYR/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/62OQ2P7K5YDZ5BRCH2Q6DHUJIHQD3QCD/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SPK4JWP32BUIVDJ3YODZSOEVEW6BHQCF/
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00073.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00009.html
- https://access.redhat.com/errata/RHSA-2019:3940
- https://access.redhat.com/errata/RHSA-2019:4074
- https://access.redhat.com/errata/RHSA-2019:4269
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00010.html
- https://security.gentoo.org/glsa/202003-21
- https://usn.ubuntu.com/4297-1/
- https://security.netapp.com/advisory/ntap-20220221-0004/
- https://lists.debian.org/debian-lts-announce/2023/02/msg00016.html
- https://lists.debian.org/debian-lts-announce/2023/03/msg00023.html
- https://launchpad.net/bugs/cve/CVE-2019-16884
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62OQ2P7K5YDZ5BRCH2Q6DHUJIHQD3QCD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DGK6IV5JGVDXHOXEKJOJWKOVNZLT6MYR/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPK4JWP32BUIVDJ3YODZSOEVEW6BHQCF/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1757290
- https://github.com/opencontainers/runc/issues/2128#issuecomment-535478352
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1760989
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1760990
- https://github.com/projectatomic/runc/pull/28
- https://github.com/opencontainers/runc/pull/2129
- https://access.redhat.com/security/cve/cve-2019-16884
- https://access.redhat.com/errata/RHSA-2020:1234
- https://access.redhat.com/errata/RHBA-2020:1232
- https://bugzilla.redhat.com/show_bug.cgi?id=1757214
- https://www.cve.org/CVERecord?id=CVE-2019-16884 https://nvd.nist.gov/vuln/detail/CVE-2019-16884
- https://github.com/opencontainers/runc/commit/331692baa7afdf6c186f8667cb0e6362ea0802b3
- https://github.com/opencontainers/runc/pull/2130
- https://github.com/opencontainers/selinux/pull/59
- https://security-tracker.debian.org/tracker/CVE-2019-16884
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16884
- https://ubuntu.com/security/notices/USN-4297-1
- https://nvd.nist.gov/vuln/detail/CVE-2019-16884
- https://ubuntu.com/security/CVE-2019-16884
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2019-16884.
What is the severity rating of CVE-2019-16884?
The severity rating of CVE-2019-16884 is medium, with a severity value of 6.5.
What is the affected software for CVE-2019-16884?
The affected software for CVE-2019-16884 includes runc versions 1.0.0-rc8 and earlier, used in Docker versions through 19.03.2-ce.
How does CVE-2019-16884 allow AppArmor restriction bypass?
CVE-2019-16884 allows AppArmor restriction bypass because libcontainer/rootfs_linux.go incorrectly checks mount targets, allowing a malicious Docker image to mount over a /proc directory.
Are there any references available for CVE-2019-16884?
Yes, there are references available for CVE-2019-16884: [Reference 1](https://github.com/opencontainers/runc/issues/2128), [Reference 2](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DGK6IV5JGVDXHOXEKJOJWKOVNZLT6MYR/), [Reference 3](https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/62OQ2P7K5YDZ5BRCH2Q6DHUJIHQD3QCD/)
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