ISC DHCP Regular Expressions Denial of Service Vulnerability

Bugtraq ID:	50971
Class:	Unknown
CVE:	CVE-2011-4539
Remote:	Yes
Local:	No
Published:	Dec 07 2011 12:00AM
Updated:	Apr 13 2015 08:24PM
Credit:	BlueCat Networks
Vulnerable:	Ubuntu Ubuntu Linux 11.10 i386 Ubuntu Ubuntu Linux 11.10 amd64 Ubuntu Ubuntu Linux 11.04 powerpc Ubuntu Ubuntu Linux 11.04 i386 Ubuntu Ubuntu Linux 11.04 ARM Ubuntu Ubuntu Linux 11.04 amd64 Slackware Linux x86_64 -current Slackware Linux 13.37 x86_64 Slackware Linux 13.37 Slackware Linux 13.1 x86_64 Slackware Linux 13.1 Slackware Linux 13.0 x86_64 Slackware Linux 13.0 Slackware Linux 12.2 Slackware Linux 12.1 Slackware Linux -current Red Hat Enterprise Linux Workstation Optional 6 Red Hat Enterprise Linux Workstation 6 Red Hat Enterprise Linux Server Optional 6 Red Hat Enterprise Linux Server 6 Red Hat Enterprise Linux HPC Node Optional 6 Red Hat Enterprise Linux HPC Node 6 Red Hat Enterprise Linux Desktop Optional 6 Red Hat Enterprise Linux Desktop 6 Oracle Enterprise Linux 6.2 Oracle Enterprise Linux 6 Mandriva Linux Mandrake 2011 x86_64 Mandriva Linux Mandrake 2011 Mandriva Linux Mandrake 2010.1 x86_64 Mandriva Linux Mandrake 2010.1 MandrakeSoft Enterprise Server 5 x86_64 MandrakeSoft Enterprise Server 5 ISC DHCP Server 4.2.2 ISC DHCP Server 4.2.1 ISC DHCP Server 4.0.2 ISC DHCP Server 4.2.1b1 ISC DHCP Server 4.2.0-P2 ISC DHCP Server 4.2.0-P1 ISC DHCP Server 4.2 ISC DHCP Server 4.1-ESV-R3 ISC DHCP Server 4.1-ESV-R1 ISC DHCP Server 4.1 ISC DHCP Server 4.0 Gentoo Linux Debian Linux 6.0 sparc Debian Linux 6.0 s/390 Debian Linux 6.0 powerpc Debian Linux 6.0 mips Debian Linux 6.0 ia-64 Debian Linux 6.0 ia-32 Debian Linux 6.0 arm Debian Linux 6.0 amd64 Avaya Aura Experience Portal 6.0 + Avaya Communication Manager Server DEFINITY Server SI/CS + Avaya Communication Manager Server S8100 + Avaya Communication Manager Server S8300 + Avaya Communication Manager Server S8500 + Avaya Communication Manager Server S8700 Avaya 96x1 IP Deskphone 6
Not Vulnerable:	ISC DHCP Server 4.2.3-P1 ISC DHCP Server 4.1-ESV-R4

ISC DHCP Regular Expressions Denial of Service Vulnerability

ISC DHCP is prone to a denial-of-service vulnerability.

An attacker can exploit this issue to cause the affected application to crash, resulting in a denial-of-service condition.

ISC DHCP versions prior to 4.1-ESV-R4 and 4.2.3-P1 are affected.

ISC DHCP Regular Expressions Denial of Service Vulnerability

Currently, we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

ISC DHCP Regular Expressions Denial of Service Vulnerability

Solution:
Updates are available. Please see the references for more information.


MandrakeSoft Enterprise Server 5 x86_64

• Mandriva dhcp-client-4.1.2-0.6mdvmes5.2.x86_64.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-common-4.1.2-0.6mdvmes5.2.x86_64.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-devel-4.1.2-0.6mdvmes5.2.x86_64.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-doc-4.1.2-0.6mdvmes5.2.x86_64.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-relay-4.1.2-0.6mdvmes5.2.x86_64.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-server-4.1.2-0.6mdvmes5.2.x86_64.rpm
  http://www.mandriva.com/en/downloads/

MandrakeSoft Enterprise Server 5

• Mandriva dhcp-client-4.1.2-0.6mdvmes5.2.i586.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-common-4.1.2-0.6mdvmes5.2.i586.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-devel-4.1.2-0.6mdvmes5.2.i586.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-doc-4.1.2-0.6mdvmes5.2.i586.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-relay-4.1.2-0.6mdvmes5.2.i586.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-server-4.1.2-0.6mdvmes5.2.i586.rpm
  http://www.mandriva.com/en/downloads/

Mandriva Linux Mandrake 2010.1 x86_64

• Mandriva dhcp-client-4.1.2-0.6mdv2010.2.x86_64.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-common-4.1.2-0.6mdv2010.2.x86_64.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-devel-4.1.2-0.6mdv2010.2.x86_64.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-doc-4.1.2-0.6mdv2010.2.x86_64.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-relay-4.1.2-0.6mdv2010.2.x86_64.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-server-4.1.2-0.6mdv2010.2.x86_64.rpm
  http://www.mandriva.com/en/downloads/

Mandriva Linux Mandrake 2010.1

• Mandriva dhcp-client-4.1.2-0.6mdv2010.2.i586.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-common-4.1.2-0.6mdv2010.2.i586.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-devel-4.1.2-0.6mdv2010.2.i586.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-doc-4.1.2-0.6mdv2010.2.i586.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-relay-4.1.2-0.6mdv2010.2.i586.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-server-4.1.2-0.6mdv2010.2.i586.rpm
  http://www.mandriva.com/en/downloads/

Mandriva Linux Mandrake 2011 x86_64

• Mandriva dhcp-client-4.2.1-0.P1.2.1-mdv2011.0.x86_64.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-common-4.2.1-0.P1.2.1-mdv2011.0.x86_64.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-devel-4.2.1-0.P1.2.1-mdv2011.0.x86_64.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-doc-4.2.1-0.P1.2.1-mdv2011.0.x86_64.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-relay-4.2.1-0.P1.2.1-mdv2011.0.x86_64.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-server-4.2.1-0.P1.2.1-mdv2011.0.x86_64.rpm
  http://www.mandriva.com/en/downloads/

Mandriva Linux Mandrake 2011

• Mandriva dhcp-client-4.2.1-0.P1.2.1-mdv2011.0.i586.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-common-4.2.1-0.P1.2.1-mdv2011.0.i586.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-devel-4.2.1-0.P1.2.1-mdv2011.0.i586.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-doc-4.2.1-0.P1.2.1-mdv2011.0.i586.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-relay-4.2.1-0.P1.2.1-mdv2011.0.i586.rpm
  http://www.mandriva.com/en/downloads/


• Mandriva dhcp-server-4.2.1-0.P1.2.1-mdv2011.0.i586.rpm
  http://www.mandriva.com/en/downloads/

ISC DHCP Regular Expressions Denial of Service Vulnerability

References:

• Product Homepage (ISC)
  
• ASA-2011-415 dhcp security update (RHSA-2011-1819) (avaya)
  
• ASA-2012-023 Wind River Linux DHCP Security Update (WIND00322935) (Avaya)
  
• Security Advisory - DHCP Regular Expressions Segfault (ISC)