ISC DHCP Server DHCP denial of service

dhcp-dhcp-dos (51717) The risk level is classified as MediumMedium Risk

Description:

ISC DHCP Server is vulnerable to a denial of service, caused by the improper handling of DHCP requests. If the host definitions are mixed using dhcp-client-identifier and hardware ethernet, a remote attacker could send specially-crafted DHCP requests to cause the server to stop responding.

*CVSS:

Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 3.2
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of DHCP Server (3.1.1 or later), available from the Internet Systems Consortium Web site. See References.

Apply the appropriate update for your system. See References.

References:

Platforms Affected:

  • Debian Debian Linux 4.0
  • Debian Debian Linux 5.0
  • Gentoo Linux
  • ISC DHCPd 3.0
  • ISC DHCPd 3.0.1 rc13
  • ISC DHCPd 3.0.1 rc12
  • ISC DHCPd 3.0.1 rc9
  • ISC DHCPd 3.0.1 rc8
  • ISC DHCPd 3.0.1 rc7
  • ISC DHCPd 3.0.1 rc6
  • ISC DHCPd 3.0.1 rc5
  • ISC DHCPd 3.0.1 rc4
  • ISC DHCPd 3.0.1 rc3
  • ISC DHCPd 3.0.1 rc2
  • ISC DHCPd 3.0.1 rc14
  • ISC DHCPd 3.0.1 rc11
  • ISC DHCPd 3.0.1 rc10
  • ISC DHCPd 3.0.1 rc1
  • ISC DHCPd 3.0_b2pl23
  • ISC DHCPd 3.0_b2pl9
  • ISC DHCPd 3.0_pl1
  • ISC DHCPd 3.0_pl2
  • MandrakeSoft Mandrake Linux 2008.0 X86_64
  • MandrakeSoft Mandrake Linux 2008.0
  • MandrakeSoft Mandrake Linux 2008.1
  • MandrakeSoft Mandrake Linux 2008.1 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 3.0
  • MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 4.0
  • MandrakeSoft Mandrake Multi Network Firewall 2.0
  • Mandriva Linux 2009.0
  • Mandriva Linux 2009.0 X86_64
  • Mandriva Linux 2009.1
  • Mandriva Linux 2009.1 X86_64

Reported:

Jul 14, 2009

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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