GLSA 202105-09: BusyBox: Denial of service

Severity:low
Title:BusyBox: Denial of service
Date:05/26/2021
Bugs: #777255
ID:202105-09

Synopsis

A vulnerability in BusyBox might allow remote attackers to cause a Denial of Service condition.

Background

BusyBox is a set of tools for embedded systems and is a replacement for GNU Coreutils.

Affected packages

Package Vulnerable Unaffected Architecture(s)
sys-apps/busybox < 1.32.1 >= 1.32.1 All supported architectures

Description

It was discovered that BusyBox mishandled the error bit on the huft_build result pointer when decompressing GZIP compressed data.

Impact

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

Workaround

There is no known workaround at this time.

Resolution

All BusyBox users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=sys-apps/busybox-1.32.1"
    

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202105-09.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!