Denial of Service in spice
ID: | RHSA-2021:1924-01 |
Distribution: | Red Hat |
Plattformen: | Red Hat Enterprise Linux |
Datum: | Mi, 19. Mai 2021, 07:28 |
Referenzen: | https://access.redhat.com/security/cve/CVE-2021-20201 |
Applikationen: | SPICE |
Originalnachricht |
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== 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 ===================================================================== 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 |