Test Kennung:	1.3.6.1.4.1.25623.1.0.881271
Kategorie:	CentOS Local Security Checks
Titel:	CentOS Update for dhclient CESA-2011:1819 centos6
Zusammenfassung:	The remote host is missing an update for the 'dhclient'; package(s) announced via the referenced advisory.
Beschreibung:	Summary: The remote host is missing an update for the 'dhclient' package(s) announced via the referenced advisory. Vulnerability Insight: The Dynamic Host Configuration Protocol (DHCP) is a protocol that allows individual devices on an IP network to get their own network configuration information, including an IP address, a subnet mask, and a broadcast address. A denial of service flaw was found in the way the dhcpd daemon handled DHCP request packets when regular expression matching was used in '/etc/dhcp/dhcpd.conf'. A remote attacker could use this flaw to crash dhcpd. (CVE-2011-4539) Users of DHCP should upgrade to these updated packages, which contain a backported patch to correct this issue. After installing this update, all DHCP servers will be restarted automatically. Affected Software/OS: dhclient on CentOS 6 Solution: Please install the updated packages. CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2011-4539 BugTraq ID: 50971 http://www.securityfocus.com/bid/50971 Debian Security Information: DSA-2519 (Google Search) http://www.debian.org/security/2012/dsa-2519 http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071549.html http://lists.fedoraproject.org/pipermail/package-announce/2011-December/070980.html http://security.gentoo.org/glsa/glsa-201301-06.xml http://www.mandriva.com/security/advisories?name=MDVSA-2011:182 http://www.securitytracker.com/id?1026393 http://secunia.com/advisories/47153 http://secunia.com/advisories/47178 SuSE Security Announcement: openSUSE-SU-2011:1318 (Google Search) http://lists.opensuse.org/opensuse-updates/2011-12/msg00006.html http://www.ubuntu.com/usn/USN-1309-1 XForce ISS Database: isc-dhcp-dhcpd-regex-dos(71680) https://exchange.xforce.ibmcloud.com/vulnerabilities/71680
Copyright	Copyright (C) 2012 Greenbone AG

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