ISC BIND dns_db_findrdataset() denial of service

iscbind-dnsdbfindrdataset-dos (52073) The risk level is classified as MediumMedium Risk

Description:

ISC BIND is vulnerable to a denial of service, caused by an assertion error when processing dynamic update messages by the dns_db_findrdataset() function. If a server is the master for one or more zones, an attacker could send a specially-crafted dynamic update message to a specific zone to cause the server to crash.

*CVSS:

Base Score: 4.3
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Partial
 
Temporal Score: 3.7
  Exploitability: High
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of BIND 9 (9.4.3-P3, 9.5.1-P3, or BIND 9.6.1-P1 or later), available from the Internet Systems Consortium Web site. See References.

For other distributions:
Apply the appropriate update for your system. See References.

References:

Platforms Affected:

  • Canonical Ubuntu 6.06 LTS
  • Canonical Ubuntu 8.04 LTS
  • Canonical Ubuntu 8.10
  • Debian Debian Linux 4.0
  • Debian Debian Linux 5.0
  • Gentoo Linux
  • HP NonStop Server
  • HP TCP IP Services OpenVMS 5.5
  • HP TCP IP Services OpenVMS 5.6
  • ISC BIND 9.0
  • ISC BIND 9.0.1
  • ISC BIND 9.1
  • ISC BIND 9.1.1
  • ISC BIND 9.1.2
  • ISC BIND 9.1.3
  • ISC BIND 9.2
  • ISC BIND 9.2.1
  • ISC BIND 9.2.2
  • ISC BIND 9.2.3
  • ISC BIND 9.2.4
  • ISC BIND 9.2.5
  • ISC BIND 9.2.6
  • ISC BIND 9.2.7
  • ISC BIND 9.2.8
  • ISC BIND 9.2.9
  • ISC BIND 9.3.0
  • ISC BIND 9.3.1
  • ISC BIND 9.3.2
  • ISC BIND 9.3.3
  • ISC BIND 9.3.4
  • ISC BIND 9.3.5
  • ISC BIND 9.3.6
  • ISC BIND 9.4.0
  • ISC BIND 9.4.1
  • ISC BIND 9.4.2
  • ISC BIND 9.4.3
  • ISC BIND 9.5.0
  • ISC BIND 9.5.1
  • ISC BIND 9.6.0
  • 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 Enterprise Server 5
  • Mandriva Enterprise Server 5 X86_64
  • Mandriva Linux 2009.0 X86_64
  • Mandriva Linux 2009.0
  • Mandriva Linux 2009.1
  • Mandriva Linux 2009.1 X86_64
  • Novell Linux Desktop 9
  • Novell Linux POS 9
  • Novell Open Enterprise Server
  • Novell OpenSUSE 10.3
  • Novell OpenSUSE 11.0
  • Novell SLE SDK 10 SP2
  • Novell SUSE Linux Enterprise 10 SP2 DEBUGINFO
  • Novell SUSE Linux Enterprise Desktop 10 SP2
  • Novell SUSE Linux Enterprise Server 10 SP2
  • RedHat Enterprise Linux 3 WS
  • RedHat Enterprise Linux 3 ES
  • RedHat Enterprise Linux 3 AS
  • RedHat Enterprise Linux 3 Desktop
  • RedHat Enterprise Linux 4 AS
  • RedHat Enterprise Linux 4 WS
  • RedHat Enterprise Linux 4 Desktop
  • RedHat Enterprise Linux 4 ES
  • RedHat Enterprise Linux 4.8.z ES
  • RedHat Enterprise Linux 4.8.z AS
  • RedHat Enterprise Linux 5
  • RedHat Enterprise Linux 5 Client Workstation
  • RedHat Enterprise Linux 5 Client
  • RedHat Enterprise Linux 5.3.z EUS
  • RedHat Enterprise Linux Long Life 5.3
  • SuSE SuSE SLES 9
  • Turbolinux Client 2008
  • Turbolinux Turbolinux 10 Server
  • Turbolinux Turbolinux 10 Server x64 Ed
  • Turbolinux Turbolinux 11 Server
  • Turbolinux Turbolinux 11 Server x64 Ed
  • Turbolinux Turbolinux FUJI
  • Turbolinux Turbolinux Appliance Server 2.0

Reported:

Jul 28, 2009

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