CVE-2021-20201

EUVD-2021-7646
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 72%
Affected Products (NVD)
VendorProductVersion
spice_projectspice
𝑥
< 0.14.92
redhatenterprise_linux
6.0
redhatenterprise_linux
7.0
redhatenterprise_linux
8.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
spice
bookworm
0.15.1-1
fixed
bullseye
0.14.3-2.1
fixed
buster
no-dsa
sid
0.15.2-1
fixed
stretch
no-dsa
trixie
0.15.2-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
spice
bionic
needed
focal
needed
groovy
ignored
hirsute
ignored
impish
ignored
jammy
needed
kinetic
ignored
lunar
ignored
mantic
ignored
noble
needed
trusty
needs-triage
xenial
needs-triage
spice-gtk
bionic
not-affected
focal
not-affected
groovy
not-affected
hirsute
not-affected
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
dne
xenial
not-affected
spice-protocol
bionic
not-affected
focal
not-affected
groovy
not-affected
hirsute
not-affected
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
dne
xenial
not-affected
Common Weakness Enumeration
References
https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacks
https://bugzilla.redhat.com/show_bug.cgi?id=1921846
https://security.gentoo.org/glsa/202208-10
https://blog.qualys.com/product-tech/2011/10/31/tls-renegotiation-and-denial-of-service-attacks
https://bugzilla.redhat.com/show_bug.cgi?id=1921846
https://security.gentoo.org/glsa/202208-10