CVE-2021-33643

CVSS V2 None CVSS V3 Critical 9.1

Description

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.

Overview

CVE ID
CVE-2021-33643

Assigner
securities@openeuler.org

Vulnerability Status
Analyzed

Published Version
2022-08-10T20:15:20

Last Modified Date
2023-02-23T16:16:53

Weakness Enumerations

CWE	URL
CWE-125	http://cwe.mitre.org/data/definitions/125.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:feep:libtar::::::::	1	OR		1.2.21
cpe:2.3:o:huawei:openeuler:20.03:sp1:::lts:::*	1	OR
cpe:2.3:o:huawei:openeuler:20.03:sp3:::lts:::*	1	OR
cpe:2.3:o:huawei:openeuler:22.03::::lts:::	1	OR
cpe:2.3:o:fedoraproject:fedora:35:::::::*	1	OR
cpe:2.3:o:fedoraproject:fedora:36:::::::*	1	OR
cpe:2.3:o:fedoraproject:fedora:37:::::::*	1	OR

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
9.1

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
5.2

References

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

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-33643
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33643

History

Created	Old Value	New Value	Data Type	Notes
2022-08-10 23:00:43				Added to TrackCVE
2022-12-28 04:17:43		2022-12-28T04:15:09	CVE Modified Date	updated
2022-12-28 04:17:43	Analyzed	Modified	Vulnerability Status	updated
2022-12-28 04:17:44			References	updated
2022-12-28 12:14:02	Modified	Undergoing Analysis	Vulnerability Status	updated
2023-02-23 17:13:38		2023-02-23T16:16:53	CVE Modified Date	updated
2023-02-23 17:13:38	Undergoing Analysis	Analyzed	Vulnerability Status	updated