Test ID:	1.3.6.1.4.1.25623.1.0.843464
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-3586-1)
Summary:	The remote host is missing an update for the 'isc-dhcp' package(s) announced via the USN-3586-1 advisory.
Description:	Summary: The remote host is missing an update for the 'isc-dhcp' package(s) announced via the USN-3586-1 advisory. Vulnerability Insight: Konstantin Orekhov discovered that the DHCP server incorrectly handled a large number of concurrent TCP sessions. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-2774) It was discovered that the DHCP server incorrectly handled socket descriptors. A remote attacker could possibly use this issue to cause a denial of service. (CVE-2017-3144) Felix Wilhelm discovered that the DHCP client incorrectly handled certain malformed responses. A remote attacker could use this issue to cause the DHCP client to crash, resulting in a denial of service, or possibly execute arbitrary code. In the default installation, attackers would be isolated by the dhclient AppArmor profile. (CVE-2018-5732) Felix Wilhelm discovered that the DHCP server incorrectly handled reference counting. A remote attacker could possibly use this issue to cause the DHCP server to crash, resulting in a denial of service. (CVE-2018-5733) Affected Software/OS: 'isc-dhcp' package(s) on Ubuntu 14.04, Ubuntu 16.04, Ubuntu 17.10. Solution: Please install the updated package(s). CVSS Score: 7.1 CVSS Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2016-2774 BugTraq ID: 84208 http://www.securityfocus.com/bid/84208 http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183640.html http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183458.html https://lists.debian.org/debian-lts-announce/2019/11/msg00023.html RedHat Security Advisories: RHSA-2016:2590 http://rhn.redhat.com/errata/RHSA-2016-2590.html http://www.securitytracker.com/id/1035196 SuSE Security Announcement: openSUSE-SU-2016:1843 (Google Search) http://lists.opensuse.org/opensuse-updates/2016-07/msg00066.html https://usn.ubuntu.com/3586-1/ Common Vulnerability Exposure (CVE) ID: CVE-2017-3144 BugTraq ID: 102726 http://www.securityfocus.com/bid/102726 Debian Security Information: DSA-4133 (Google Search) https://www.debian.org/security/2018/dsa-4133 RedHat Security Advisories: RHSA-2018:0158 https://access.redhat.com/errata/RHSA-2018:0158 http://www.securitytracker.com/id/1040194 Common Vulnerability Exposure (CVE) ID: CVE-2018-5732 Common Vulnerability Exposure (CVE) ID: CVE-2018-5733 BugTraq ID: 103188 http://www.securityfocus.com/bid/103188 https://lists.debian.org/debian-lts-announce/2018/03/msg00015.html RedHat Security Advisories: RHSA-2018:0469 https://access.redhat.com/errata/RHSA-2018:0469 RedHat Security Advisories: RHSA-2018:0483 https://access.redhat.com/errata/RHSA-2018:0483 http://www.securitytracker.com/id/1040437 https://usn.ubuntu.com/3586-2/
Copyright	Copyright (C) 2018 Greenbone AG

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