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://savannah.gnu.org/bugs/?59897
https://git.savannah.gnu.org/cgit/tar.git/commit/?id=d9d4435692150fa8ff68e1b1a473d187cc3fd777
https://security.archlinux.org/CVE-2021-20193

ArchLinux: 202102-41: tar: denial of service

March 1, 2021

Summary

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.

Resolution

Upgrade to 1.34-1. # pacman -Syu "tar>=1.34-1"
The problem has been fixed upstream in version 1.34.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1917565 https://savannah.gnu.org/bugs/?59897 https://git.savannah.gnu.org/cgit/tar.git/commit/?id=d9d4435692150fa8ff68e1b1a473d187cc3fd777 https://security.archlinux.org/CVE-2021-20193

Severity
Package : tar
Type : denial of service
Remote : No
Link : https://security.archlinux.org/AVG-1462

Workaround

None.

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