[ GLSA 202105-09 ] BusyBox

[GLSA]

Gentoo Linux Security Advisory

Title: BusyBox: Denial of service (GLSA 202105-09)
Severity: low
Exploitable: local, remote
Date: 2021-05-26
Bug(s): #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: sys-apps/busybox
Vulnerable: < 1.32.1
Unaffected: >= 1.32.1
Architectures: 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: