CVE-2021-4235
Published: 27 December 2022
Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector.
Notes
Author | Note |
---|---|
leosilva | kubernates is in fact a kubernetes installer that calls snap, not the package it self. |
Priority
Status
Package | Release | Status |
---|---|---|
golang-github-coreos-discovery-etcd-io Launchpad, Ubuntu, Debian |
lunar |
Needs triage
|
xenial |
Ignored
(end of standard support)
|
|
trusty |
Ignored
(end of standard support)
|
|
bionic |
Does not exist
|
|
focal |
Needs triage
|
|
jammy |
Needs triage
|
|
kinetic |
Ignored
(end of life, was needs-triage)
|
|
upstream |
Needs triage
|
|
golang-gopkg-yaml.v3 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Does not exist
|
|
jammy |
Not vulnerable
(2.2.3)
|
|
lunar |
Not vulnerable
(2.2.3)
|
|
trusty |
Ignored
(end of standard support)
|
|
upstream |
Needs triage
|
|
xenial |
Ignored
(end of standard support)
|
|
kinetic |
Ignored
(end of life, was needs-triage)
|
|
golang-yaml.v2 Launchpad, Ubuntu, Debian |
bionic |
Released
(0.0+git20170407.0.cd8b52f-1ubuntu2+esm1)
Available with Ubuntu Pro |
focal |
Released
(2.2.2-1ubuntu0.1)
|
|
jammy |
Not vulnerable
(2.2.8-1)
|
|
lunar |
Not vulnerable
(2.2.8-1)
|
|
trusty |
Ignored
(end of standard support)
|
|
kinetic |
Ignored
(end of life, was needs-triage)
|
|
upstream |
Released
(2.2.3)
|
|
xenial |
Released
(0.0+git20160301.0.a83829b-1ubuntu0.1~esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
kubernetes Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Needs triage
|
|
jammy |
Needs triage
|
|
lunar |
Needs triage
|
|
trusty |
Ignored
(end of standard support)
|
|
upstream |
Needs triage
|
|
xenial |
Ignored
(end of standard support)
|
|
kinetic |
Ignored
(end of life, was needs-triage)
|
|
singularity-container Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Does not exist
|
|
jammy |
Does not exist
|
|
kinetic |
Does not exist
|
|
trusty |
Ignored
(end of standard support)
|
|
upstream |
Needs triage
|
|
xenial |
Ignored
(end of standard support)
|
|
webhook Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Needs triage
|
|
jammy |
Needs triage
|
|
lunar |
Needs triage
|
|
trusty |
Ignored
(end of standard support)
|
|
upstream |
Needs triage
|
|
xenial |
Ignored
(end of standard support)
|
|
kinetic |
Ignored
(end of life, was needs-triage)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |