Package "isc-dhcp"

Name: isc-dhcp


This package is just an umbrella for a group of other packages, it has no description.
Description samples from packages in group:

  • DHCP client for automatically obtaining an IP address
  • common files used by all of the isc-dhcp packages
  • ISC DHCP server for automatic IP address assignment (debuging symbols)
  • API for accessing and modifying the DHCP server and client state

Latest version: 4.3.3-5ubuntu12.9
Release: xenial (16.04)
Level: security
Repository: main


Other versions of "isc-dhcp" in Xenial

Repository Area Version
base main 4.3.3-5ubuntu12
base universe 4.3.3-5ubuntu12
security universe 4.3.3-5ubuntu12.9
updates universe 4.3.3-5ubuntu12.10
updates main 4.3.3-5ubuntu12.10

Packages in group

Deleted packages are displayed in grey.


Version: 4.3.3-5ubuntu12.9 2018-03-01 19:08:28 UTC

  isc-dhcp (4.3.3-5ubuntu12.9) xenial-security; urgency=medium

  * SECURITY UPDATE: DoS via concurrent TCP sessions
    - debian/patches/CVE-2016-2774.patch: limit number of connections in
      includes/site.h, omapip/listener.c.
    - CVE-2016-2774
  * SECURITY UPDATE: DoS via omapi
    - debian/patches/CVE-2018-573x.patch: fix socket descriptor leak in
      omapip/buffer.c, omapip/message.c.
    - CVE-2017-3144
  * SECURITY UPDATE: buffer overflow in dhclient
    - debian/patches/CVE-2018-573x.patch: check option data size in
      common/options.c, add tests to common/tests/Makefile.am,
    - CVE-2018-5732
  * SECURITY UPDATE: reference counter overflow in dhcpd
    - debian/patches/CVE-2018-573x.patch: avoid overflow in
    - CVE-2018-5733
  * This package does _not_ contain the changes from 4.3.3-5ubuntu12.8 in

 -- Marc Deslauriers <email address hidden> Thu, 01 Mar 2018 08:20:48 -0500

CVE-2016-2774 ISC DHCP 4.1.x before 4.1-ESV-R13 and 4.2.x and 4.3.x before 4.3.4 does not restrict the number of concurrent TCP sessions, which allows remote attac
CVE-2017-3144 dhcp: omapi code doesn't free socket descriptors when empty message is received allowing denial-of-service
CVE-2018-5732 A specially constructed response from a malicious server can cause a buffer overflow in dhclient
CVE-2018-5733 A malicious client can overflow a reference counter in ISC dhcpd

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