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Red Hat Enterprise Linux 7: RHSA-2018-3090-01 Moderate OVMF Security Fix

red hat
Calendar Grey October 30, 2018
Dist Redhat Esm H88
A fresh security update for OVMF on Red Hat Enterprise Linux 7 rectifies moderate severity issues along with several bug corrections.
An update for ovmf is now available for Red Hat Enterprise Linux 7

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

Summary

OVMF (Open Virtual Machine Firmware) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM.
The following packages have been upgraded to a later upstream version: ovmf (20180508). (BZ#1559542)
Security Fix(es):
* openssl: Handling of crafted recursive ASN.1 structures can cause a stack overflow and resulting denial of service (CVE-2018-0739)
For more details about the security issue(s), including the impact, a CVSS score, 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 7.6 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate denial of service bug fix Red Hat Enterprise Linux openssl ovmf

References

https://access.redhat.com/security/cve/CVE-2018-0739 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.6_release_notes/index

Package List

Red Hat Enterprise Linux Server (v. 7):
Source: ovmf-20180508-3.gitee3198e672e2.el7.src.rpm
noarch: OVMF-20180508-3.gitee3198e672e2.el7.noarch.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):
Source: ovmf-20180508-3.gitee3198e672e2.el7.src.rpm
noarch: AAVMF-20180508-3.gitee3198e672e2.el7.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/


Advisory ID: RHSA-2018:3090-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:3090
Issue date: 2018-10-30
Cross references: CVE-2018-0739

Topic

An update for ovmf is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate denial of service bug fix Red Hat Enterprise Linux openssl ovmf

Relevant Releases Architectures

Red Hat Enterprise Linux Server (v. 7) - noarch

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - noarch

Bugs Fixed

1561128 - OVMF Secure boot enablement (enrollment of default keys)

1561266 - CVE-2018-0739 openssl: Handling of crafted recursive ASN.1 structures can cause a stack overflow and resulting denial of service

1577546 - no input consoles connected under certain circumstances

1579518 - EFI_RNG_PROTOCOL no longer produced for virtio-rng

1607792 - add 'Provides: bundled(openssl) = 1.1.0h' to the spec file

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