CVE-2021-20201: Medium severity spice vulnerability
A flaw was found in spice in versions before 0.14.92. A DoS tool might make it easier for remote attackers to cause a denial of service (CPU consumption) by performing many renegotiations within a single connection.
Other sources
A issue was discovered in spice v0.14.91 and before. There is a DoS Vulnerability which might make it easier for remote attackers to cause a denial of service (CPU consumption) by performing many renegotiations within a single connection.
Upstream issue:
https://gitlab.freedesktop.org/spice/spice/-/issues/49
References:
https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacks
— Red Hat
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-20201?
CVE-2021-20201 is a vulnerability in the Spice Project Spice software before version 0.14.92.
How does CVE-2021-20201 impact affected systems?
CVE-2021-20201 could allow remote attackers to cause a denial of service (CPU consumption) by performing many renegotiations within a single connection.
What is the severity of CVE-2021-20201?
CVE-2021-20201 has a severity rating of medium with a CVSS score of 5.3.
How can I fix CVE-2021-20201?
To fix CVE-2021-20201, update the Spice Project Spice software to version 0.14.92 or later.
Where can I find more information about CVE-2021-20201?
You can find more information about CVE-2021-20201 in the references provided: [Link 1](https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacks), [Link 2](https://bugzilla.redhat.com/show_bug.cgi?id=1921846), [Link 3](https://security.gentoo.org/glsa/202208-10).