Synopsis
Moderate: container-tools:rhel8 security, bug fix, and enhancement update
Type/Severity
Security Advisory: Moderate
Topic
An update for the container-tools:rhel8 module is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Moderate. 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.
Description
The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc.
Security Fix(es):
- podman: environment variables leak between containers when started via Varlink or Docker-compatible REST API (CVE-2020-14370)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.
Solution
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
Affected Products
-
Red Hat Enterprise Linux for x86_64 8 x86_64
-
Red Hat Enterprise Linux for IBM z Systems 8 s390x
-
Red Hat Enterprise Linux for Power, little endian 8 ppc64le
-
Red Hat Enterprise Linux for ARM 64 8 aarch64
Fixes
- BZ - 1678546 - Podman fails to create containers on RHEL 8 if CGroups V2 is enabled.
- BZ - 1701359 - rpmdiff message: Detecting usr/bin/buildah with not-hardened warnings
- BZ - 1701361 - rpmdiff message: Detecting usr/bin/fuse-overlayfs with not-hardened warnings
- BZ - 1843168 - [RFE] podman volume should include the filter dangling=true
- BZ - 1846629 - [RFE] Enable "podman search" to use wildcard (star) for queries
- BZ - 1848150 - Improved error message when signatures cannot be stored
- BZ - 1873064 - Can not execute podman commands scheduled by cron
- BZ - 1873204 - podman run --log-driver journald didn't works as expected
- BZ - 1874268 - CVE-2020-14370 podman: environment variables leak between containers when started via Varlink or Docker-compatible REST API
- BZ - 1876576 - podman images can panic for incomplete images in the storage
- BZ - 1877865 - dnsname plugin missing from RHEL 8.2
- BZ - 1880987 - ubi8-init rootless fails on RHEL 8.2 with 'No such file or directory' and 'Permission denied'
- BZ - 1881218 - unable to run RHEL6 container in RHEL 8.3 (container-selinux not installed with podman)
- BZ - 1883945 - Cannot mount /proc/net in a container as it is a symlink to /proc/self/net and not assigned proc_t
- BZ - 1884668 - Fix parsing of the parameter to detect digests and use the appropriate @ separator.
- BZ - 1895105 - Podman events nonfunctional as rootless
- BZ - 1897012 - podman search doesn't give description of packages with --no-trunc option
- BZ - 1898911 - Empty cidfile after container creation
- BZ - 1902673 - Using rootless podman with slirp4netns and without the --disable-host-loopback
- BZ - 1903412 - Podman 2.0 fails to build an image using '--network container' in rootless mode
- BZ - 1925928 - BrokenPipeError("Disconnected") when instaniate Client
CVEs
References
Vulmon