A spice security update has been released for Red Hat Enterprise Linux 8.
RHSA-2021:1924-01: Low: spice security update
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Red Hat Security Advisory
Synopsis: Low: spice security update
Advisory ID: RHSA-2021:1924-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1924
Issue date: 2021-05-18
CVE Names: CVE-2021-20201
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1. Summary:
An update for spice is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact
of Low. 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 CodeReady Linux Builder (v. 8) - aarch64, x86_64
Red Hat Enterprise Linux AppStream (v. 8) - aarch64, x86_64
3. Description:
The Simple Protocol for Independent Computing Environments (SPICE) is a
remote display system built for virtual environments which allows the user
to view a computing 'desktop' environment not only on the machine where it
is running, but from anywhere on the Internet and from a wide variety of
machine architectures.
Security Fix(es):
* spice: Client initiated renegotiation denial of service (CVE-2021-20201)
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 8.4 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
All applications using SPICE (most notably all QEMU-KVM instances using the
SPICE console) must be restarted for this update to take effect.
5. Bugs fixed ( https://bugzilla.redhat.com/):
1904459 - CVE-2021-20201 spice: OpenSSL(TLS/SSL) Security DoS Vulnerability - enables client-initiated renegotiation [rhel-8]
1921846 - CVE-2021-20201 spice: Client initiated renegotiation denial of service
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source:
spice-0.14.3-4.el8.src.rpm
aarch64:
spice-debugsource-0.14.3-4.el8.aarch64.rpm
spice-server-0.14.3-4.el8.aarch64.rpm
spice-server-debuginfo-0.14.3-4.el8.aarch64.rpm
x86_64:
spice-debugsource-0.14.3-4.el8.i686.rpm
spice-debugsource-0.14.3-4.el8.x86_64.rpm
spice-server-0.14.3-4.el8.i686.rpm
spice-server-0.14.3-4.el8.x86_64.rpm
spice-server-debuginfo-0.14.3-4.el8.i686.rpm
spice-server-debuginfo-0.14.3-4.el8.x86_64.rpm
Red Hat CodeReady Linux Builder (v. 8):
aarch64:
spice-debugsource-0.14.3-4.el8.aarch64.rpm
spice-server-debuginfo-0.14.3-4.el8.aarch64.rpm
spice-server-devel-0.14.3-4.el8.aarch64.rpm
x86_64:
spice-debugsource-0.14.3-4.el8.i686.rpm
spice-debugsource-0.14.3-4.el8.x86_64.rpm
spice-server-debuginfo-0.14.3-4.el8.i686.rpm
spice-server-debuginfo-0.14.3-4.el8.x86_64.rpm
spice-server-devel-0.14.3-4.el8.i686.rpm
spice-server-devel-0.14.3-4.el8.x86_64.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-2021-20201
https://access.redhat.com/security/updates/classification/#low
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/
8. Contact:
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
