SUSE SLED12 / SLES12 Security Update : dhcp (SUSE-SU-2016:0540-1)

This script is Copyright (C) 2016 Tenable Network Security, Inc.


Synopsis :

The remote SUSE host is missing one or more security updates.

Description :

This update for dhcp fixes the following issues :

- CVE-2015-8605: A remote attacker could have used badly
formed packets with an invalid IPv4 UDP length field to
cause a DHCP server, client, or relay program to
terminate abnormally (bsc#961305)

The following bugs were fixed :

- bsc#936923: Improper lease duration checking

- bsc#880984: Integer overflows in the date and time
handling code

- bsc#956159: fixed service files to start dhcpd after
slapd

- bsc#960506: Improve exit reason and logging when
/sbin/dhclient-script is unable to pre-init requested
interface

- bsc#947780: DHCP server could abort with 'Unable to set
up timer: out of range' on very long or infinite timer
intervals / lease lifetimes

- bsc#912098: dhclient could pretend to run while silently
declining leases

- bsc#919959: server: Do not log success report before
send reported success

- bsc#928390: dhclient dit not expose next-server DHCPv4
option to script

- bsc#926159: DHCP preferrend and valid lifetime would be
logged incorrectly

- bsc#910686: Prevent a dependency conflict of dhcp-devel
with bind-devel package

The following tracked changes affect the build of the package only :

- bsc#891961: Disabled /sbin/service legacy-action hooks

Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

See also :

https://bugzilla.suse.com/880984
https://bugzilla.suse.com/891961
https://bugzilla.suse.com/910686
https://bugzilla.suse.com/912098
https://bugzilla.suse.com/919959
https://bugzilla.suse.com/926159
https://bugzilla.suse.com/928390
https://bugzilla.suse.com/936923
https://bugzilla.suse.com/947780
https://bugzilla.suse.com/956159
https://bugzilla.suse.com/960506
https://bugzilla.suse.com/961305
https://www.suse.com/security/cve/CVE-2015-8605.html
http://www.nessus.org/u?9ad4d512

Solution :

To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Software Development Kit 12 :

zypper in -t patch SUSE-SLE-SDK-12-2016-293=1

SUSE Linux Enterprise Server 12 :

zypper in -t patch SUSE-SLE-SERVER-12-2016-293=1

SUSE Linux Enterprise Desktop 12 :

zypper in -t patch SUSE-SLE-DESKTOP-12-2016-293=1

To bring your system up-to-date, use 'zypper patch'.

Risk factor :

Medium / CVSS Base Score : 5.7
(CVSS2#AV:A/AC:M/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 4.2
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: SuSE Local Security Checks

Nessus Plugin ID: 88892 ()

Bugtraq ID:

CVE ID: CVE-2015-8605

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