CVE-2011-4539

N/A Unknown

Published: December 08, 2011 Modified: April 29, 2026

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2011-December/070980.html

Source: cve@mitre.org

Mailing List Third Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071549.html

Source: cve@mitre.org

Mailing List Third Party Advisory

http://lists.opensuse.org/opensuse-updates/2011-12/msg00006.html

Source: cve@mitre.org

Mailing List Third Party Advisory

http://secunia.com/advisories/47153

Source: cve@mitre.org

Third Party Advisory

http://secunia.com/advisories/47178

Source: cve@mitre.org

Third Party Advisory

http://security.gentoo.org/glsa/glsa-201301-06.xml

Source: cve@mitre.org

Third Party Advisory

http://www.debian.org/security/2012/dsa-2519

Source: cve@mitre.org

Third Party Advisory

http://www.mandriva.com/security/advisories?name=MDVSA-2011:182

Source: cve@mitre.org

Third Party Advisory

http://www.securityfocus.com/bid/50971

Source: cve@mitre.org

Third Party Advisory VDB Entry

http://www.securitytracker.com/id?1026393

Source: cve@mitre.org

Third Party Advisory VDB Entry

http://www.ubuntu.com/usn/USN-1309-1

Source: cve@mitre.org

Third Party Advisory

https://exchange.xforce.ibmcloud.com/vulnerabilities/71680

Source: cve@mitre.org

Third Party Advisory VDB Entry

https://www.isc.org/software/dhcp/advisories/cve-2011-4539

Source: cve@mitre.org

Vendor Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2011-December/070980.html