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openSUSE Security Update : dhcp (openSUSE-SU-2011:1021-1)

high Nessus Plugin ID 75466

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Synopsis

The remote openSUSE host is missing a security update.

Description

This update of dhcp fixes two Denial of Service (CVE-2011-2748, CVE-2011-2749) vulnerabilities caused by specially crafted BOOTP packets.

Also following bugs were fixed :

 - Moved server pid files into chroot directory even chroot is not used and create a link in /var/run, so it can write one when started as user without chroot and avoid stop problems when the chroot sysconfig setting changed (bnc#712438).

 - Fixed dhclient-script to not remove alias IP when it didn't changed to not wipe out iptables connmark when renewing the lease (bnc#700771). Thanks to James Carter for the patch.

 - Removed GPL licensed files (bind-*/contrib/dbus) from bind.tgz to ensure, they're not used to build non-GPL dhcp.

 - Disabled log-info level messages in dhclient(6) quiet mode to avoid excessive logging of non-critical messages (bnc#711420).

Solution

Update the affected dhcp packages.

See Also

https://bugzilla.novell.com/show_bug.cgi?id=700771

https://bugzilla.novell.com/show_bug.cgi?id=711420

https://bugzilla.novell.com/show_bug.cgi?id=712438

https://bugzilla.novell.com/show_bug.cgi?id=712653

https://bugzilla.novell.com/show_bug.cgi?id=714004

https://lists.opensuse.org/opensuse-updates/2011-09/msg00014.html

Plugin Details

Severity: High

ID: 75466

File Name: suse_11_3_dhcp-110830.nasl

Version: 1.7

Type: local

Agent: unix

Published: 6/13/2014

Updated: 1/14/2021

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:dhcp-devel, p-cpe:/a:novell:opensuse:dhcp-client, p-cpe:/a:novell:opensuse:dhcp, p-cpe:/a:novell:opensuse:dhcp-server, cpe:/o:novell:opensuse:11.3, p-cpe:/a:novell:opensuse:dhcp-relay

Required KB Items: Host/local_checks_enabled, Host/SuSE/release, Host/SuSE/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 8/30/2011

Reference Information

CVE: CVE-2011-2748, CVE-2011-2749