SB2019120412 - Multiple vulnerabilities in Red Hat OpenShift Container Platform
Published: December 4, 2019 Updated: December 4, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-16884)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to incorrect checking of the mount targets in libcontainer/rootfs_linux.go in runc. A local user can bypass AppArmor restrictions and perform unauthorized actions on the system, as demonstrated by overwriting the /proc directory with a malicious Doker image.
2) Cleartext storage of sensitive information (CVE-ID: CVE-2019-14854)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to library-go component did not sanitize secret data written to static Pod logs when an Operator's log level was set to Debug or higher. A local user can read Pod logs if the log level had already been modified in an Operator by a privileged user.
3) Cleartext storage of sensitive information (CVE-ID: CVE-2019-10213)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to OpenShift Container Platform writes secrets in clear text into pod logs when the log level in a given operator is set to Debug or higher. A local user can read the log files and gain access to sensitive information.
Remediation
Install update from vendor's website.
References
- https://access.redhat.com/errata/RHSA-2019:4074
- https://access.redhat.com/errata/RHSA-2019:4075
- https://bugzilla.redhat.com/show_bug.cgi?id=1758953
- https://access.redhat.com/security/cve/CVE-2019-14854
- https://access.redhat.com/errata/RHSA-2019:4081
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10213
- https://access.redhat.com/errata/RHSA-2019:4082