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Red Hat Enterprise Linux 7: RHSA-2019:0304-01 Critical: Docker Escape Issue

An update for docker is now available for Red Hat Enterprise Linux 7 Extras. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: docker security update Advisory ID: RHSA-2019:0304-01 Product: Red Hat Enterprise Linux Extras Advisory URL: https://access.redhat.com/errata/RHSA-2019:0304 Issue date: 2019-02-11 CVE Names: CVE-2019-5736 ==================================================================== 1. Summary: An update for docker is now available for Red Hat Enterprise Linux 7 Extras. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux 7 Extras - aarch64, ppc64le, s390x, x86_64 3. Description: Docker is an open-source engine that automates the deployment of any application as a lightweight, portable, self-sufficient container that runs virtually anywhere. Security Fix(es): * A flaw was found in the way runc handled system file descriptors when running containers. A malicious container could use this flaw to overwrite contents of the runc binary and consequently run arbitrary commands on the container host system. (CVE-2019-5736) Additional details about this flaw, including mitigation information, can be found in the vulnerability article linked from the Reference section. For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. 4. Solution: For details on how to apply thisupdate, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1664908 - CVE-2019-5736 runc: Execution of malicious containers allows for container escape and access to host filesystem 6. Package List: Red Hat Enterprise Linux 7Extras: Source: docker-1.13.1-91.git07f3374.el7.src.rpm aarch64: docker-1.13.1-91.git07f3374.el7.aarch64.rpm docker-client-1.13.1-91.git07f3374.el7.aarch64.rpm docker-common-1.13.1-91.git07f3374.el7.aarch64.rpm docker-debuginfo-1.13.1-91.git07f3374.el7.aarch64.rpm docker-logrotate-1.13.1-91.git07f3374.el7.aarch64.rpm docker-lvm-plugin-1.13.1-91.git07f3374.el7.aarch64.rpm docker-novolume-plugin-1.13.1-91.git07f3374.el7.aarch64.rpm docker-rhel-push-plugin-1.13.1-91.git07f3374.el7.aarch64.rpm docker-v1.10-migrator-1.13.1-91.git07f3374.el7.aarch64.rpm ppc64le: docker-1.13.1-91.git07f3374.el7.ppc64le.rpm docker-client-1.13.1-91.git07f3374.el7.ppc64le.rpm docker-common-1.13.1-91.git07f3374.el7.ppc64le.rpm docker-debuginfo-1.13.1-91.git07f3374.el7.ppc64le.rpm docker-logrotate-1.13.1-91.git07f3374.el7.ppc64le.rpm docker-lvm-plugin-1.13.1-91.git07f3374.el7.ppc64le.rpm docker-novolume-plugin-1.13.1-91.git07f3374.el7.ppc64le.rpm docker-rhel-push-plugin-1.13.1-91.git07f3374.el7.ppc64le.rpm docker-v1.10-migrator-1.13.1-91.git07f3374.el7.ppc64le.rpm s390x: docker-1.13.1-91.git07f3374.el7.s390x.rpm docker-client-1.13.1-91.git07f3374.el7.s390x.rpm docker-common-1.13.1-91.git07f3374.el7.s390x.rpm docker-debuginfo-1.13.1-91.git07f3374.el7.s390x.rpm docker-logrotate-1.13.1-91.git07f3374.el7.s390x.rpm docker-lvm-plugin-1.13.1-91.git07f3374.el7.s390x.rpm docker-novolume-plugin-1.13.1-91.git07f3374.el7.s390x.rpm docker-rhel-push-plugin-1.13.1-91.git07f3374.el7.s390x.rpm docker-v1.10-migrator-1.13.1-91.git07f3374.el7.s390x.rpm x86_64: docker-1.13.1-91.git07f3374.el7.x86_64.rpm docker-client-1.13.1-91.git07f3374.el7.x86_64.rpm docker-common-1.13.1-91.git07f3374.el7.x86_64.rpm docker-debuginfo-1.13.1-91.git07f3374.el7.x86_64.rpm docker-logrotate-1.13.1-91.git07f3374.el7.x86_64.rpm docker-lvm-plugin-1.13.1-91.git07f3374.el7.x86_64.rpm docker-novolume-plugin-1.13.1-91.git07f3374.el7.x86_64.rpm docker-rhel-push-plugin-1.13.1-91.git07f3374.el7.x86_64.rpm docker-v1.10-migrator-1.13.1-91.git07f3374.el7.x86_64.rpm These packages are GPGsigned by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2019-5736 https://access.redhat.com/security/vulnerabilities/runcescape https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2019 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXGGKdtzjgjWX9erEAQghMQ//SNt9uL21A4yg5/3Lsi3ou/43H2MyiCqk YGxhEW4XTBI29YhbqGOVSs8BLwH12Hvu/Zho3VUbdtH2SsCHFeH6QqSt857tWyy7 OMgvEOWt2W28XSVxxzjXnCe9Ps4BgXVDTrPSVD2acRTQsMo/RECKZ+z0lHpPDQr6 qZ6y+cXkomlaHkBw2LBgRZEUnSi/xeAHUqVcV4yU99A26MQfshQH9OtUzGB50jhC dOsAjQt6Sdb1uWL9VuYc2jsTJfOhEHPJLqG03x2/En357Jbcvu8yrKHPOsGKesDb 69DnU7fiX9L4aKZfppj3ZJYhMGR4T79iU2JpFzMehcgA2OX7t7DM39+YeBq3MCam Cvu32PFzHlH6we0fznYAVJjynuc0R8MG9ue8UbuQmMBgkwsEVNq8GnBIcoaXxdbg 6LmMOOJbaW4HEWvDSSM+kQ28ezQpFNxqYNog4WsbjBIghBWxSoUR2x3VsO5+s1aY HH27rOVtziro8+ZuxY4j9t/kxTv8LVoAeUR1w0OpcYVcW1h3ObJ93RPXTf0AKw5e 43btdN7ToQV4ZG926ag6nROKJx6hzlT17rL9iswRVsLsF2YOgMXWVxHv8/zz9b6Y Imc5iovV3J5wy4t6I2MJUYo2283BKUU+9RgBLa6cpapfe/wr5s7xNvkNzrWr/JM9 Jwrr18rCl0s=eF1G -----END PGP SIGNATURE----- -- RHSA-announce mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. . An important revision for Docker on RHEL 7 tackling a significant vulnerability for more secure container utilization.. Red Hat Security, Docker Update, Linux Security Fix, Threat Management, Important Security Advisory. . Severity: Important. LinuxSecurity.com Team

Feb 11, 2019 •Important Red Hat