RHBA-2023:5723 - Bug Fix Advisory

Topic

Updated ubi8/openssl container image is now available for Red Hat Enterprise Linux 8.

Description

The ubi8/openssl container image has been updated for Red Hat Enterprise Linux 8 to address the following security advisory: RHSA-2023:5455 (see References)

Users of ubi8/openssl container images are advised to upgrade to these updated images, which contain backported patches to correct these security issues, fix these bugs and add these enhancements. Users of these images are also encouraged to rebuild all container images that depend on these images.

You can find images updated by this advisory in Red Hat Container Catalog (see References).

Solution

The Red Hat Enterprise Linux 8 container image provided by this update can be downloaded from the Red Hat Container Registry at registry.access.redhat.com. Installation instructions for your platform are available at Red Hat Container Catalog (see References).

Dockerfiles and scripts should be amended either to refer to this new image specifically, or to the latest image generally.

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 - 2234712 - CVE-2023-4527 glibc: Stack read overflow in getaddrinfo in no-aaaa mode
• BZ - 2237782 - CVE-2023-4806 glibc: potential use-after-free in getaddrinfo()
• BZ - 2237798 - CVE-2023-4813 glibc: potential use-after-free in gaih_inet()
• BZ - 2238352 - CVE-2023-4911 glibc: buffer overflow in ld.so leading to privilege escalation

CVEs

• CVE-2023-4527
• CVE-2023-4806
• CVE-2023-4813
• CVE-2023-4911

References

• https://access.redhat.com/errata/RHSA-2023:5455
• https://catalog.redhat.com/software/containers/registry/registry.access.redhat.com/repository/ubi8/openssl