CVE-2021-33644

CVE Details

Release Date:

2022-08-10

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_longname, causing an out-of-bounds read.

See more information about CVE-2021-33644 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	8.1	Base Metrics:	AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Access Vector:	Network	Attack Complexity:	Low
Privileges Required:	None	User Interaction:	Required
Scope:	Unchanged	Confidentiality Impact:	High
Integrity Impact:	None	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (libtar)	ELSA-2023-2898	2023-05-24

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team