Important: container-tools:rhel8 security and bug fix update

Synopsis

Important: container-tools:rhel8 security and bug fix update

Type/Severity

Security Advisory: Important

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 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.

Description

The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc.

Security Fix(es):

• QEMU: Slirp: potential OOB access due to unsafe snprintf() usages (CVE-2020-8608)
  

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.

Bug Fix(es):

• useradd and groupadd fail under rootless Buildah and podman [stream-container-tools-rhel8-rhel-8.1.1] (BZ#1803495)
  
• Podman support for FIPS Mode requires a bind mount inside the container [stream-container-tools-rhel8-rhel-8.1.1/buildah] (BZ#1804188)
  
• Podman support for FIPS Mode requires a bind mount inside the container [stream-container-tools-rhel8-rhel-8.1.1/podman] (BZ#1804194)
  
• fuse-overlayfs segfault [stream-container-tools-rhel8-rhel-8.1.1/fuse-overlayfs] (BZ#1805016)
  
• buildah COPY command is slow when .dockerignore file is not present [stream-container-tools-rhel8-rhel-8.1.1/buildah] (BZ#1806119)

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 - 1798453 - CVE-2020-8608 QEMU: Slirp: potential OOB access due to unsafe snprintf() usages
• BZ - 1803495 - useradd and groupadd fail under rootless Buildah and podman [stream-container-tools-rhel8-rhel-8.1.1]
• BZ - 1804188 - Podman support for FIPS Mode requires a bind mount inside the container [stream-container-tools-rhel8-rhel-8.1.1/buildah]
• BZ - 1804194 - Podman support for FIPS Mode requires a bind mount inside the container [stream-container-tools-rhel8-rhel-8.1.1/podman]
• BZ - 1805016 - fuse-overlayfs segfault [stream-container-tools-rhel8-rhel-8.1.1/fuse-overlayfs]
• BZ - 1806119 - buildah COPY command is slow when .dockerignore file is not present [stream-container-tools-rhel8-rhel-8.1.1/buildah]

CVEs

• CVE-2020-8608

References

• https://access.redhat.com/security/updates/classification/#important