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alpinelinuxAlpine Linux Development TeamALPINE:CVE-2020-14343
HistoryFeb 09, 2021 - 9:15 p.m.

CVE-2020-14343

2021-02-0921:15:12
Alpine Linux Development Team
security.alpinelinux.org
26
pyyaml
arbitrary code execution
untrusted input
full_load method
fullloader loader
python/object/new constructor
cve-2020-14343
incomplete fix

CVSS2

10

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.4

Confidence

Low

EPSS

0.006

Percentile

77.9%

JSON

A vulnerability was discovered in the PyYAML library in versions before 5.4, where it is susceptible to arbitrary code execution when it processes untrusted YAML files through the full_load method or with the FullLoader loader. Applications that use the library to process untrusted input may be vulnerable to this flaw. This flaw allows an attacker to execute arbitrary code on the system by abusing the python/object/new constructor. This flaw is due to an incomplete fix for CVE-2020-1747.

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altlinux 1
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Moderate: python38:3.8 and python38-devel:3.8 security update
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CVSS2

10

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.4

Confidence

Low

EPSS

0.006

Percentile

77.9%

JSON
Related for ALPINE:CVE-2020-14343
freebsd2github2openvas30osv14cvelist2nvd2gentoo1nessus49prion2f51redhat3mageia2veracode2redhatcve2debiancve2almalinux2cve2githubexploit1ubuntucve2attackerkb1rocky2redos42oraclelinux2fedora5ubuntu1ibm8cbl_mariner2photon9alpinelinux1altlinux1suse2