Rapid7 Vulnerability & Exploit Database

Alma Linux: CVE-2019-5736: Important: container-tools:rhel8 security and bug fix update (ALSA-2019-0975)

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Alma Linux: CVE-2019-5736: Important: container-tools:rhel8 security and bug fix update (ALSA-2019-0975)

Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
02/11/2019
Created
05/14/2022
Added
05/13/2022
Modified
05/25/2022

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.

Solution(s)

  • alma-upgrade-oci-systemd-hook
  • alma-upgrade-oci-umount

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