CVE-2021-33643

An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longlink, causing an out-of-bounds read.

CVSS v3.0 9.1 CRITICAL

9.1^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1807	Broken Link Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OD4HEBSTI22FNYKOKK7W3X6ZQE6FV3XC/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5YSHZY753R7XW6CIKJVAWI373WW3YRRJ/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7Q26QDNOJDOFYWMJWEIK5XR62M2FF6IJ/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4S4PJRCJLEAWN2EKXGLSOBTL7O57V7NC/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7WX5YE66CT7Y5C2HTHXSFDKQWYWYWJ2T/	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:feep:libtar:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:huawei:openeuler:20.03:sp3:::lts:::*
	cpe:2.3:o:huawei:openeuler:20.03:sp1:::lts:::*
	cpe:2.3:o:huawei:openeuler:22.03::::lts:::

Configuration 3 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:35:::::::*
	cpe:2.3:o:fedoraproject:fedora:36:::::::*
	cpe:2.3:o:fedoraproject:fedora:37:::::::*

Information

Published : 2022-08-10 13:15

Updated : 2023-02-23 08:16

NVD link : CVE-2021-33643

Mitre link : CVE-2021-33643

JSON object : View

CWE

CWE-125

Out-of-bounds Read

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Products Affected

fedoraproject

fedora

huawei

openeuler

feep

libtar

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