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ubuntucveUbuntu.comUB:CVE-2021-4235
HistoryDec 27, 2022 - 12:00 a.m.

CVE-2021-4235

2022-12-2700:00:00
ubuntu.com
ubuntu.com
34
yaml
denial of service
system resources

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

23.3%

JSON

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.

Related

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wolfi 1
gitlab 2
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prion 1
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ibm 3
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(RHSA-2023:0570) Moderate: OpenShift Container Platform 4.12.2 security update
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Ubuntu 16.04 ESM / 18.04 ESM / 20.04 LTS : Go yaml vulnerabilities (USN-6287-1)
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5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

23.3%

JSON
Related for UB:CVE-2021-4235
veracode1wolfi1gitlab2cgr1cbl_mariner2osv5debiancve1nvd1cve1github1cvelist1redhat12prion1redhatcve1nessus4ubuntu1openvas2debian1ibm3