CVE-2019-5736

CVE Details

Release Date:2019-02-11

Description


runc through 1.0-rc6, as used in Docker before 18.09.2 and other products, allows attackers to overwrite the host runc binary (and consequently obtain host root access) by leveraging the ability to execute a command as root within one of these types of containers: (1) a new container with an attacker-controlled image, or (2) an existing container, to which the attacker previously had write access, that can be attached with docker exec. This occurs because of file-descriptor mishandling, related to /proc/self/exe.

See more information about CVE-2019-5736 from MITRE CVE dictionary and NIST NVD


CVSS v3.0 metrics


NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score: 8.6 Base Metrics: AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Access Vector: Local network Attack Complexity: Low
Privileges Required: None User Interaction: Required
Scope: Changed Confidentiality Impact: High
Integrity Impact: High Availability Impact: High

Errata information


PlatformErrataRelease Date
Oracle Linux version 7 (docker-engine)ELSA-2019-45502019-02-15
Oracle Linux version 7 (docker-engine)ELSA-2019-45512019-02-19
Oracle Linux version 7 (runc)ELSA-2019-45402019-02-11
Oracle Linux version 7 (runc)ELSA-2021-92032021-04-28
Oracle Linux version 8 (buildah)ELSA-2019-09752019-07-30
Oracle Linux version 8 (container-selinux)ELSA-2019-09752019-07-30
Oracle Linux version 8 (containernetworking-plugins)ELSA-2019-09752019-07-30
Oracle Linux version 8 (fuse-overlayfs)ELSA-2019-09752019-07-30
Oracle Linux version 8 (oci-systemd-hook)ELSA-2019-09752019-07-30
Oracle Linux version 8 (oci-umount)ELSA-2019-09752019-07-30
Oracle Linux version 8 (podman)ELSA-2019-09752019-07-30
Oracle Linux version 8 (runc)ELSA-2019-09752019-07-30
Oracle Linux version 8 (skopeo)ELSA-2019-09752019-07-30
Oracle Linux version 8 (slirp4netns)ELSA-2019-09752019-07-30



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