[RHSA-2020:1712-01] Moderate: edk2 security, bug fix, and enhancement update

[Security announcements for all Red Hat products and services.]

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                   Red Hat Security Advisory

Synopsis:          Moderate: edk2 security, bug fix, and enhancement update
Advisory ID:       RHSA-2020:1712-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:1712
Issue date:        2020-04-28
CVE Names:         CVE-2019-14563 
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1. Summary:

An update for edk2 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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream (v. 8) - noarch

3. Description:

EDK (Embedded Development Kit) is a project to enable UEFI support for
Virtual Machines. This package contains a sample 64-bit UEFI firmware for
QEMU and KVM. 

Security Fix(es):

* edk2: numeric truncation in MdeModulePkg/PiDxeS3BootScriptLib
(CVE-2019-14563)

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 8.2 Release Notes linked from the References section.

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

1748180 - rebase edk2 to upstream tag edk2-stable201908 for RHEL-8.2
1751993 - DxeImageVerificationLib handles "DENY execute on security violation" like "DEFER execute on security violation" [rhel8]
1758620 - CVE-2019-14563 edk2: numeric truncation in MdeModulePkg/PiDxeS3BootScriptLib
1789335 - VM with edk2 can't boot when setting memory with '-m 2001'
1789797 - Backport upstream patch series: "UefiBootManagerLib, HttpDxe: tweaks for large HTTP(S) downloads" to improve HTTP(S) Boot experience with large (4GiB+) files
1806359 - bochs-display cannot show graphic wihout driver attach

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
edk2-20190829git37eef91017ad-9.el8.src.rpm

noarch:
edk2-aarch64-20190829git37eef91017ad-9.el8.noarch.rpm
edk2-ovmf-20190829git37eef91017ad-9.el8.noarch.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2019-14563
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.2_release_notes/index

8. Contact:

The Red Hat security contact is <secalert at redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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