Gentoo: GLSA-201612-04 Normal: BusyBox Remote Code Execution Advisory
gentoo
December 4, 2016
Multiple vulnerabilities have been found in BusyBox, the worst of which allows remote attackers to execute arbitrary code.
Summary
Multiple vulnerabilities have been discovered in BusyBox. Please review the CVE identifiers referenced below for details.
Resolution
All BusyBox users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/busybox-1.24.2"
References
[ 1 ] CVE-2016-2147 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2147 [ 2 ] CVE-2016-2148 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2148
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201612-04
style>.gentoo_availability{display:block;}
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.
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Severity: Normal
Title: BusyBox: Multiple vulnerabilities
Date: December 04, 2016
Bugs: #564246, #577610
ID: 201612-04
Background
BusyBox is a set of tools for embedded systems and is a replacement for
GNU Coreutils.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 sys-apps/busybox < 1.24.2 >= 1.24.2
Impact
=====
A remote attacker could possibly execute arbitrary code with the
privileges of the process, or cause a Denial of Service condition.
Workaround
There is no known workaround at this time. However, on Gentoo, the remote code execution vulnerability can be avoided if you don't use BusyBox's udhcpc or build the package without the "ipv6" USE flag enabled.
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