Gentoo: GLSA-201804-05 Normal: ISC DHCP Remote Code Execution
gentoo
April 8, 2018
Multiple vulnerabilities have been found in ISC DHCP, the worst of which could allow for the remote execution of arbitrary code.
Summary
Multiple vulnerabilities have been discovered in ISC DHCP. Please review the CVE identifiers referenced below for details.
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
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: ISC DHCP: Multiple vulnerabilities
Date: April 08, 2018
Bugs: #644708, #649010
ID: 201804-05
Background
ISC DHCP is a Dynamic Host Configuration Protocol (DHCP) client/server.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/dhcp < 4.3.6_p1 >= 4.3.6_p1
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)."
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