iptables module initialization denial of service
| iptables-module-dos (17928) |  Medium Risk |
Description:
iptables may fail to load the firewall rules on a system startup, caused by a vulnerability with the module initialization process. A remote attacker could use this vulnerability to launch further attacks against the system.
Consequences:
Denial of Service
Remedy:
Upgrade to the latest version of iptables (1.2.11 or later), available from the netfilter Web site. See References.
For Debian GNU/Linux 3.0 (woody):
Upgrade to the latest iptables package, as listed below. Refer to DSA-580-1 for more information. See References.
Debian GNU/Linux 3.0 (woody): 1.2.6a-5.0woody2 or later
For Mandrake Linux:
Upgrade to the latest iptables package, as listed below. Refer to MandrakeSoft Security Advisory MDKSA-2004:125 for more information. See References.
Mandrake Linux 9.2: 1.2.8-2.1.92mdk or later
Mandrake Linux Multi Network Firewall 8.2: 1.2.5-1.1.M82mdk or later
Mandrake Linux Corporate Server 2.1: 1.2.6a-1.1.C21mdk or later
Mandrake Linux 10.0: 1.2.9-5.1.100mdk or later
Mandrake Linux 10.1: 1.2.9-7.1.101mdk or later
For SuSE Linux:
Apply the appropriate fixed packages via the SuSE FTP server or the YaST Online Update, as listed in SuSE Security Summary Report SUSE-SR:2004:002. See References.
For Turbolinux:
Upgrade to the latest iptables package, as listed below. Refer to Turbolinux Security Advisory TLSA-2005-10 for more information. See References.
Turbolinux 10 Server: 1.2.11-3 or later
Turbolinux Home: 1.2.5-6 or later
Turbolinux 10 Desktop: 1.2.5-6 or later
Turbolinux 8 Server: 1.2.5-6 or later
Turbolinux 8 Workstation: 1.2.5-6 or later
Turbolinux 7 Server: 1.2.5-6 or later
Turbolinux 7 Workstation: 1.2.5-6 or later
For Ubuntu Linux:
Refer to USN-81-1 for patch, upgrade or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- CIAC Information Bulletin P-026: "iptables" Packages Updated.
- netfilter Web site: Releasese of the netfilter/iptables project.
- BID-11570: Linux Kernel IPTables Initialization Failure Vulnerability
- CVE-2004-0986: Iptables before 1.2.11, under certain conditions, does not properly load the required modules at system startup, which causes the firewall rules to fail to load and protect the system from remote attackers.
- DSA-580: iptables -- missing initialisation
- MDKSA-2004:125: Updated iptables packages fix vulnerability
- SUSE-SR:2004:002: SUSE Security Summary Report
Platforms Affected:
- Canonical Ubuntu 4.10
- Debian Debian Linux 3.0
- Jozsef Kadlecsik and others iptables prior to 1.2.11
- MandrakeSoft Mandrake Linux 10.0 AMD64
- MandrakeSoft Mandrake Linux 10.0
- MandrakeSoft Mandrake Linux 10.1
- MandrakeSoft Mandrake Linux 10.1 X86_64
- MandrakeSoft Mandrake Linux 9.2
- MandrakeSoft Mandrake Linux 9.2 AMD64
- MandrakeSoft Mandrake Linux Corporate Server 2.1 X86_64
- MandrakeSoft Mandrake Linux Corporate Server 2.1
- MandrakeSoft Mandrake Multi Network Firewall 8.2
- SUSE SuSE Linux
- Turbolinux Turbolinux 10 Desktop
- Turbolinux Turbolinux 10 F...
- Turbolinux Turbolinux 10 Server
- Turbolinux Turbolinux 7 Server
- Turbolinux Turbolinux 7 Workstation
- Turbolinux Turbolinux 8 Server
- Turbolinux Turbolinux 8 Workstation
- Turbolinux Turbolinux Home
- Turbolinux Turbolinux Appliance Server 1.0 Hosting Ed
- Turbolinux Turbolinux Appliance Server 1.0 Workgroup Ed
Reported:
Nov 01, 2004
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