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Arch Linux: 202102-41 Low Severity Tar Denial Of Service

Calendar Mar 01, 2021 • User Avatar LinuxSecurity Advisories
1 min read
Archlinux Large Esm H446
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security advisory denial of service security issue low severity application crash tar package Arch Linux
The package tar before version 1.34-1 is vulnerable to denial of service. 
Arch Linux Security Advisory ASA-202102-41
=========================================
Severity: Low
Date    : 2021-02-27
CVE-ID  : CVE-2021-20193
Package : tar
Type    : denial of service
Remote  : No
Link    : https://security.archlinux.org/AVG-1462

Summary
======
The package tar before version 1.34-1 is vulnerable to denial of
service.

Resolution
=========
Upgrade to 1.34-1.

# pacman -Syu "tar>=1.34-1"

The problem has been fixed upstream in version 1.34.

Workaround
=========
None.

Description
==========
An issue was discovered in GNU Tar before version 1.34. There is a
memory leak in read_header() in list.c in the tar application.

Impact
=====
A crafted tar archive can crash the application.

References
=========
https://bugzilla.redhat.com/show_bug.cgi?id=1917565


https://security.archlinux.org/CVE-2021-20193