GLSA 202105-29: Tar: Denial of service

Severity:low
Title:Tar: Denial of service
Date:05/26/2021
Bugs: #778548
ID:202105-29

Synopsis

A vulnerability in Tar could lead to a Denial of Service condition.

Background

The Tar program provides the ability to create and manipulate tar archives.

Affected packages

Package Vulnerable Unaffected Architecture(s)
app-arch/tar < 1.34 >= 1.34 All supported architectures

Description

It was discovered that GNU Tar had a memory leak when processing archive headers.

Impact

A remote attacker could entice a user to open a specially crafted archive using Tar, possibly resulting in a Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All Tar users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=app-arch/tar-1.34"
    

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202105-29.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License

Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.

Thank you!