CVE ID:	CVE-2011-4539
Description:	dhcpd in ISC DHCP 4.x before 4.2.3-P1 and 4.1-ESV before 4.1-ESV-R4 does not properly handle regular expressions in dhcpd.conf, which allows remote attackers to cause a denial of service (daemon crash) via a crafted request packet.
Test IDs:	1.3.6.1.4.1.25623.1.0.70500   1.3.6.1.4.1.25623.1.0.70596   1.3.6.1.4.1.25623.1.0.71040   1.3.6.1.4.1.25623.1.0.71496   1.3.6.1.4.1.25623.1.0.72076   1.3.6.1.4.1.25623.1.0.72267   1.3.6.1.4.1.25623.1.0.122023   1.3.6.1.4.1.25623.1.0.840837   1.3.6.1.4.1.25623.1.0.831501   1.3.6.1.4.1.25623.1.0.881271   1.3.6.1.4.1.25623.1.0.120215   1.3.6.1.4.1.25623.1.0.863873   1.3.6.1.4.1.25623.1.0.870728
Cross References:	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