– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Gentoo Linux Security Advisory GLSA 201804-05
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
https://security.gentoo.org/
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Severity: Normal
Title: ISC DHCP: Multiple vulnerabilities
Date: April 08, 2018
Bugs: #644708, #649010
ID: 201804-05
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Synopsis
========
Multiple vulnerabilities have been found in ISC DHCP, the worst of
which could allow for the remote execution of arbitrary code.
Background
==========
ISC DHCP is a Dynamic Host Configuration Protocol (DHCP) client/server.
Affected packages
=================
——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 net-misc/dhcp < 4.3.6_p1 >= 4.3.6_p1
Description
===========
Multiple vulnerabilities have been discovered in ISC DHCP. Please
review the CVE identifiers referenced below for details.
Impact
======
Remote attackers could execute arbitrary code, cause a Denial of
Service condition, or have other unspecified impacts.
Workaround
==========
There are no known workarounds at this time for CVE-2018-5732 or
CVE-2018-5733.
In accordance with upstream documentation, the recommended workaround
for CVE-2017-3144 is, “to disallow access to the OMAPI control port
from unauthorized clients (in accordance with best practices for server
operation).”
Resolution
==========
All DHCP users should upgrade to the latest version:
# emerge –sync
# emerge –ask –oneshot –verbose “>=net-misc/dhcp-4.3.6_p1”
References
==========
[ 1 ] CVE-2017-3144
https://nvd.nist.gov/vuln/detail/CVE-2017-3144
[ 2 ] CVE-2018-5732
https://nvd.nist.gov/vuln/detail/CVE-2018-5732
[ 3 ] CVE-2018-5733
https://nvd.nist.gov/vuln/detail/CVE-2018-5733
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201804-05
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 2018 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.
https://creativecommons.org/licenses/by-sa/2.5
—–BEGIN PGP SIGNATURE—–
iQEzBAEBCAAdFiEEiDRK3jyVBE/RkymqpRQw84X1dt0FAlrKR58ACgkQpRQw84X1
dt0DCAf+Pt4rl0caLRcSujunDPmMxUnz+l3owqo7cszWrKEweUm9jB9SsvcVmthu
hXjtOLgHAxHu/YbzBHt5tXA/FXTQ9hItIfupxkQMmyqIaQWK/OMh/uT29BYnjVQK
tLPhGW3Mdm2xcFdGvc7ctEvtc6oZWvSt5Ukar0fN5yX3uv6+0L431I1VgVkY/f2g
tEjaVuDnlYJnYRr5kPROAwGFh9Qvs+pm38oGBDxSvD5xJuh7T0BoN5nTnAhb8MJX
aLS6/22eKdlcxp6ga0hCOuwq6lvCGdYP77nRuWWzOCZjpL/oFJRZU1X2wUj+lDSU
0fUYefcffVwIpV88jVvYAjFXHBKJEw==
=jrrU
—–END PGP SIGNATURE—–
