RedHat: RHSA-2021-1924:01 Low: spice security update
Summary
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.
Summary
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.
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/
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/
Topic
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 impactof Low. 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.
Topic
Relevant Releases Architectures
Red Hat CodeReady Linux Builder (v. 8) - aarch64, x86_64
Red Hat Enterprise Linux AppStream (v. 8) - aarch64, x86_64
Bugs Fixed
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