SUSE SLED11 / SLES11 Security Update : dhcp (SUSE-SU-2016:0481-1)

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

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

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

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

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/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/961305
https://www.suse.com/security/cve/CVE-2015-8605.html
http://www.nessus.org/u?ea5868ca

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 11-SP4 :

zypper in -t patch sdksp4-dhcp-12410=1

SUSE Linux Enterprise Software Development Kit 11-SP3 :

zypper in -t patch sdksp3-dhcp-12410=1

SUSE Linux Enterprise Server for VMWare 11-SP3 :

zypper in -t patch slessp3-dhcp-12410=1

SUSE Linux Enterprise Server 11-SP4 :

zypper in -t patch slessp4-dhcp-12410=1

SUSE Linux Enterprise Server 11-SP3 :

zypper in -t patch slessp3-dhcp-12410=1

SUSE Linux Enterprise Desktop 11-SP4 :

zypper in -t patch sledsp4-dhcp-12410=1

SUSE Linux Enterprise Desktop 11-SP3 :

zypper in -t patch sledsp3-dhcp-12410=1

SUSE Linux Enterprise Debuginfo 11-SP4 :

zypper in -t patch dbgsp4-dhcp-12410=1

SUSE Linux Enterprise Debuginfo 11-SP3 :

zypper in -t patch dbgsp3-dhcp-12410=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: 88834 ()

Bugtraq ID:

CVE ID: CVE-2015-8605

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