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Gentoo Linux Security Advisory GLSA 201804-05 |
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https://security.gentoo.org/ |
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|
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Severity: Normal |
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Title: ISC DHCP: Multiple vulnerabilities |
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Date: April 08, 2018 |
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Bugs: #644708, #649010 |
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ID: 201804-05 |
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|
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Synopsis |
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======== |
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|
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Multiple vulnerabilities have been found in ISC DHCP, the worst of |
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which could allow for the remote execution of arbitrary code. |
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|
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Background |
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========== |
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|
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ISC DHCP is a Dynamic Host Configuration Protocol (DHCP) client/server. |
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|
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Affected packages |
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================= |
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|
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------------------------------------------------------------------- |
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Package / Vulnerable / Unaffected |
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------------------------------------------------------------------- |
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1 net-misc/dhcp < 4.3.6_p1 >= 4.3.6_p1 |
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|
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Description |
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=========== |
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|
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Multiple vulnerabilities have been discovered in ISC DHCP. Please |
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review the CVE identifiers referenced below for details. |
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|
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Impact |
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====== |
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|
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Remote attackers could execute arbitrary code, cause a Denial of |
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Service condition, or have other unspecified impacts. |
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|
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Workaround |
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========== |
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|
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There are no known workarounds at this time for CVE-2018-5732 or |
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CVE-2018-5733. |
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|
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In accordance with upstream documentation, the recommended workaround |
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for CVE-2017-3144 is, "to disallow access to the OMAPI control port |
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from unauthorized clients (in accordance with best practices for server |
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operation)." |
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|
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Resolution |
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========== |
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|
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All DHCP users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=net-misc/dhcp-4.3.6_p1" |
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|
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References |
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========== |
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|
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[ 1 ] CVE-2017-3144 |
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https://nvd.nist.gov/vuln/detail/CVE-2017-3144 |
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[ 2 ] CVE-2018-5732 |
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https://nvd.nist.gov/vuln/detail/CVE-2018-5732 |
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[ 3 ] CVE-2018-5733 |
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https://nvd.nist.gov/vuln/detail/CVE-2018-5733 |
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|
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Availability |
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============ |
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|
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This GLSA and any updates to it are available for viewing at |
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the Gentoo Security Website: |
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|
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https://security.gentoo.org/glsa/201804-05 |
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|
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Concerns? |
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========= |
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|
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Security is a primary focus of Gentoo Linux and ensuring the |
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confidentiality and security of our users' machines is of utmost |
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importance to us. Any security concerns should be addressed to |
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security@g.o or alternatively, you may file a bug at |
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https://bugs.gentoo.org. |
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|
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License |
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======= |
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|
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Copyright 2018 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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|
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The contents of this document are licensed under the |
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Creative Commons - Attribution / Share Alike license. |
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|
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https://creativecommons.org/licenses/by-sa/2.5 |