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AUSCERT External Security Bulletin Redistribution
ESB-2019.4120
edk2 security, bug fix, and enhancement update
6 November 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: edk2
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 8
Red Hat Enterprise Linux WS/Desktop 8
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-0160 CVE-2018-12181
Reference: ESB-2019.2937
ESB-2019.1009.3
Original Bulletin:
https://access.redhat.com/errata/RHSA-2019:3338
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Red Hat Security Advisory
Synopsis: Moderate: edk2 security, bug fix, and enhancement update
Advisory ID: RHSA-2019:3338-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3338
Issue date: 2019-11-05
CVE Names: CVE-2018-12181 CVE-2019-0160
=====================================================================
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: Stack buffer overflow with corrupted BMP (CVE-2018-12181)
* edk2: Buffer overflows in PartitionDxe and UdfDxe with long file names
and invalid UDF media (CVE-2019-0160)
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 8.1 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/):
1666941 - UEFI guest cannot boot into os when setting some special memory size
1686783 - CVE-2018-12181 edk2: Stack buffer overflow with corrupted BMP
1687731 - rebase edk2 to upstream tag edk2-stable201903 for RHEL-8.1
1691640 - CVE-2019-0160 edk2: Buffer overflows in PartitionDxe and UdfDxe with long file names and invalid UDF media
1693205 - edk2: Enable TPM2 support
1714446 - edk2-aarch64 silent build is not silent enough
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source:
edk2-20190308git89910a39dcfd-6.el8.src.rpm
noarch:
edk2-aarch64-20190308git89910a39dcfd-6.el8.noarch.rpm
edk2-ovmf-20190308git89910a39dcfd-6.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-2018-12181
https://access.redhat.com/security/cve/CVE-2019-0160
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_release_notes/
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc.
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