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Overview

Vulnerability Score 5.0 5.0
CVE Id CVE-2011-4539
Last Modified 21 Aug 2013 11:48:04
Published 08 Dec 2011 06:55:02
Confidentiality Impact NONE NONE
Integrity Impact NONE NONE
Availability Impact PARTIAL PARTIAL
Access Vector NETWORK
Access Complexity LOW
Authentication NONE

CVE-2011-4539

Summary

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.

Vulnerable Systems

Application

  • Isc Dhcp 4.0

  • Isc Dhcp 4.0.0

  • Isc Dhcp 4.0.1

  • Isc Dhcp 4.0.2

  • Isc Dhcp 4.0.3

  • Isc Dhcp 4.1-esv

  • Isc Dhcp 4.1.1

  • Isc Dhcp 4.1.2

  • Isc Dhcp 4.2.0

  • Isc Dhcp 4.2.1

  • Isc Dhcp 4.2.2

  • Isc Dhcp 4.2.3


References

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

XF - isc-dhcp-dhcpd-regex-dos(71680)

SECTRACK - 1026393

BID - 50971

MANDRIVA - MDVSA-2011:182

SECUNIA - 47153

UBUNTU - USN-1309-1

SECUNIA - 47178

SUSE - openSUSE-SU-2011:1318

FEDORA - FEDORA-2011-16981

DEBIAN - DSA-2519

FEDORA - FEDORA-2011-16976

GENTOO - GLSA-201301-06


Last Updated: 27 May 2016 10:57:51