int(2684)

Boletines de Vulnerabilidades

Múltiple vulnerabilidades en BIND

Clasificación de la vulnerabilidad
Propiedad Valor
Nivel de Confianza Oficial
Impacto Denegación de Servicio
Dificultad Experto
Requerimientos del atacante Acceso remoto sin cuenta a un servicio estandar

Información sobre el sistema
Propiedad Valor
Fabricante afectado GNU/Linux
Software afectado BIND < 9.2.6-P1, 9.3.x < 9.3.2-P1

Descripción
Se han descubierto múltiples vulnerabilidades en BIND versión anterior a 9.2.6-P1 y 9.3.x versión anterior a 9.3.2-P1. Las vulnerabilidades son descritas a continuación:

- CVE-2006-4095: Un atacante remoto podría causar una denegación de servicio mediante ciertas peticiones SIG.

- CVE-2006-4096: Un atacante remoto podría causar una denegación de servicio mediante el envío masivo de peticiones recursivas lo que podría causar un fallo INSIST cuando se recibe la respuesta antes de que la cola de recursión se haya vaciado.

Solución


Actualización de software

FreeBSD
FreeBSD 5.3, 5.4, 5.5, 6.0, 6.1
http://security.FreeBSD.org/patches/SA-06:20/bind.patch

IBM
AIX 5.2 / APAR IY89178
AIX 5.3 / APAR IY89169
http://www-03.ibm.com/servers/eserver/support/unixservers/aixfixes.html
BIND9 / Interim fixes
ftp://aix.software.ibm.com/aix/efixes/security/bind9_ifix.tar.Z

OpenBSD
OpenBSD 3.8
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/015_bind.patch
OpenBSD 3.9
ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/010_bind.patch

Debian

Debian Linux 3.1
Source
http://security.debian.org/pool/updates/main/b/bind9/bind9_9.2.4-1sarge1.dsc
http://security.debian.org/pool/updates/main/b/bind9/bind9_9.2.4-1sarge1.diff.gz
http://security.debian.org/pool/updates/main/b/bind9/bind9_9.2.4.orig.tar.gz
Architecture independent
http://security.debian.org/pool/updates/main/b/bind9/bind9-doc_9.2.4-1sarge1_all.deb
Alpha
http://security.debian.org/pool/updates/main/b/bind9/bind9_9.2.4-1sarge1_alpha.deb
http://security.debian.org/pool/updates/main/b/bind9/bind9-host_9.2.4-1sarge1_alpha.deb
http://security.debian.org/pool/updates/main/b/bind9/dnsutils_9.2.4-1sarge1_alpha.deb
http://security.debian.org/pool/updates/main/b/bind9/libbind-dev_9.2.4-1sarge1_alpha.deb
http://security.debian.org/pool/updates/main/b/bind9/libdns16_9.2.4-1sarge1_alpha.deb
http://security.debian.org/pool/updates/main/b/bind9/libisc7_9.2.4-1sarge1_alpha.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccc0_9.2.4-1sarge1_alpha.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccfg0_9.2.4-1sarge1_alpha.deb
http://security.debian.org/pool/updates/main/b/bind9/liblwres1_9.2.4-1sarge1_alpha.deb
http://security.debian.org/pool/updates/main/b/bind9/lwresd_9.2.4-1sarge1_alpha.deb
AMD64
http://security.debian.org/pool/updates/main/b/bind9/bind9_9.2.4-1sarge1_amd64.deb
http://security.debian.org/pool/updates/main/b/bind9/bind9-host_9.2.4-1sarge1_amd64.deb
http://security.debian.org/pool/updates/main/b/bind9/dnsutils_9.2.4-1sarge1_amd64.deb
http://security.debian.org/pool/updates/main/b/bind9/libbind-dev_9.2.4-1sarge1_amd64.deb
http://security.debian.org/pool/updates/main/b/bind9/libdns16_9.2.4-1sarge1_amd64.deb
http://security.debian.org/pool/updates/main/b/bind9/libisc7_9.2.4-1sarge1_amd64.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccc0_9.2.4-1sarge1_amd64.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccfg0_9.2.4-1sarge1_amd64.deb
http://security.debian.org/pool/updates/main/b/bind9/liblwres1_9.2.4-1sarge1_amd64.deb
http://security.debian.org/pool/updates/main/b/bind9/lwresd_9.2.4-1sarge1_amd64.deb
ARM
http://security.debian.org/pool/updates/main/b/bind9/bind9_9.2.4-1sarge1_arm.deb
http://security.debian.org/pool/updates/main/b/bind9/bind9-host_9.2.4-1sarge1_arm.deb
http://security.debian.org/pool/updates/main/b/bind9/dnsutils_9.2.4-1sarge1_arm.deb
http://security.debian.org/pool/updates/main/b/bind9/libbind-dev_9.2.4-1sarge1_arm.deb
http://security.debian.org/pool/updates/main/b/bind9/libdns16_9.2.4-1sarge1_arm.deb
http://security.debian.org/pool/updates/main/b/bind9/libisc7_9.2.4-1sarge1_arm.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccc0_9.2.4-1sarge1_arm.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccfg0_9.2.4-1sarge1_arm.deb
http://security.debian.org/pool/updates/main/b/bind9/liblwres1_9.2.4-1sarge1_arm.deb
http://security.debian.org/pool/updates/main/b/bind9/lwresd_9.2.4-1sarge1_arm.deb
HP Precision
http://security.debian.org/pool/updates/main/b/bind9/bind9_9.2.4-1sarge1_hppa.deb
http://security.debian.org/pool/updates/main/b/bind9/bind9-host_9.2.4-1sarge1_hppa.deb
http://security.debian.org/pool/updates/main/b/bind9/dnsutils_9.2.4-1sarge1_hppa.deb
http://security.debian.org/pool/updates/main/b/bind9/libbind-dev_9.2.4-1sarge1_hppa.deb
http://security.debian.org/pool/updates/main/b/bind9/libdns16_9.2.4-1sarge1_hppa.deb
http://security.debian.org/pool/updates/main/b/bind9/libisc7_9.2.4-1sarge1_hppa.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccc0_9.2.4-1sarge1_hppa.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccfg0_9.2.4-1sarge1_hppa.deb
http://security.debian.org/pool/updates/main/b/bind9/liblwres1_9.2.4-1sarge1_hppa.deb
http://security.debian.org/pool/updates/main/b/bind9/lwresd_9.2.4-1sarge1_hppa.deb
Intel IA-32
http://security.debian.org/pool/updates/main/b/bind9/bind9_9.2.4-1sarge1_i386.deb
http://security.debian.org/pool/updates/main/b/bind9/bind9-host_9.2.4-1sarge1_i386.deb
http://security.debian.org/pool/updates/main/b/bind9/dnsutils_9.2.4-1sarge1_i386.deb
http://security.debian.org/pool/updates/main/b/bind9/libbind-dev_9.2.4-1sarge1_i386.deb
http://security.debian.org/pool/updates/main/b/bind9/libdns16_9.2.4-1sarge1_i386.deb
http://security.debian.org/pool/updates/main/b/bind9/libisc7_9.2.4-1sarge1_i386.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccc0_9.2.4-1sarge1_i386.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccfg0_9.2.4-1sarge1_i386.deb
http://security.debian.org/pool/updates/main/b/bind9/liblwres1_9.2.4-1sarge1_i386.deb
http://security.debian.org/pool/updates/main/b/bind9/lwresd_9.2.4-1sarge1_i386.deb
Intel IA-64
http://security.debian.org/pool/updates/main/b/bind9/bind9_9.2.4-1sarge1_ia64.deb
http://security.debian.org/pool/updates/main/b/bind9/bind9-host_9.2.4-1sarge1_ia64.deb
http://security.debian.org/pool/updates/main/b/bind9/dnsutils_9.2.4-1sarge1_ia64.deb
http://security.debian.org/pool/updates/main/b/bind9/libbind-dev_9.2.4-1sarge1_ia64.deb
http://security.debian.org/pool/updates/main/b/bind9/libdns16_9.2.4-1sarge1_ia64.deb
http://security.debian.org/pool/updates/main/b/bind9/libisc7_9.2.4-1sarge1_ia64.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccc0_9.2.4-1sarge1_ia64.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccfg0_9.2.4-1sarge1_ia64.deb
http://security.debian.org/pool/updates/main/b/bind9/liblwres1_9.2.4-1sarge1_ia64.deb
http://security.debian.org/pool/updates/main/b/bind9/lwresd_9.2.4-1sarge1_ia64.deb
Motorola 680x0
http://security.debian.org/pool/updates/main/b/bind9/bind9_9.2.4-1sarge1_m68k.deb
http://security.debian.org/pool/updates/main/b/bind9/bind9-host_9.2.4-1sarge1_m68k.deb
http://security.debian.org/pool/updates/main/b/bind9/dnsutils_9.2.4-1sarge1_m68k.deb
http://security.debian.org/pool/updates/main/b/bind9/libbind-dev_9.2.4-1sarge1_m68k.deb
http://security.debian.org/pool/updates/main/b/bind9/libdns16_9.2.4-1sarge1_m68k.deb
http://security.debian.org/pool/updates/main/b/bind9/libisc7_9.2.4-1sarge1_m68k.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccc0_9.2.4-1sarge1_m68k.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccfg0_9.2.4-1sarge1_m68k.deb
http://security.debian.org/pool/updates/main/b/bind9/liblwres1_9.2.4-1sarge1_m68k.deb
http://security.debian.org/pool/updates/main/b/bind9/lwresd_9.2.4-1sarge1_m68k.deb
Big endian MIPS
http://security.debian.org/pool/updates/main/b/bind9/bind9_9.2.4-1sarge1_mips.deb
http://security.debian.org/pool/updates/main/b/bind9/bind9-host_9.2.4-1sarge1_mips.deb
http://security.debian.org/pool/updates/main/b/bind9/dnsutils_9.2.4-1sarge1_mips.deb
http://security.debian.org/pool/updates/main/b/bind9/libbind-dev_9.2.4-1sarge1_mips.deb
http://security.debian.org/pool/updates/main/b/bind9/libdns16_9.2.4-1sarge1_mips.deb
http://security.debian.org/pool/updates/main/b/bind9/libisc7_9.2.4-1sarge1_mips.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccc0_9.2.4-1sarge1_mips.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccfg0_9.2.4-1sarge1_mips.deb
http://security.debian.org/pool/updates/main/b/bind9/liblwres1_9.2.4-1sarge1_mips.deb
http://security.debian.org/pool/updates/main/b/bind9/lwresd_9.2.4-1sarge1_mips.deb
Little endian MIPS
http://security.debian.org/pool/updates/main/b/bind9/bind9_9.2.4-1sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/b/bind9/bind9-host_9.2.4-1sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/b/bind9/dnsutils_9.2.4-1sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/b/bind9/libbind-dev_9.2.4-1sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/b/bind9/libdns16_9.2.4-1sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/b/bind9/libisc7_9.2.4-1sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccc0_9.2.4-1sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccfg0_9.2.4-1sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/b/bind9/liblwres1_9.2.4-1sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/b/bind9/lwresd_9.2.4-1sarge1_mipsel.deb
PowerPC
http://security.debian.org/pool/updates/main/b/bind9/bind9_9.2.4-1sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/b/bind9/bind9-host_9.2.4-1sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/b/bind9/dnsutils_9.2.4-1sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/b/bind9/libbind-dev_9.2.4-1sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/b/bind9/libdns16_9.2.4-1sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/b/bind9/libisc7_9.2.4-1sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccc0_9.2.4-1sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccfg0_9.2.4-1sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/b/bind9/liblwres1_9.2.4-1sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/b/bind9/lwresd_9.2.4-1sarge1_powerpc.deb
IBM S/390
http://security.debian.org/pool/updates/main/b/bind9/bind9_9.2.4-1sarge1_s390.deb
http://security.debian.org/pool/updates/main/b/bind9/bind9-host_9.2.4-1sarge1_s390.deb
http://security.debian.org/pool/updates/main/b/bind9/dnsutils_9.2.4-1sarge1_s390.deb
http://security.debian.org/pool/updates/main/b/bind9/libbind-dev_9.2.4-1sarge1_s390.deb
http://security.debian.org/pool/updates/main/b/bind9/libdns16_9.2.4-1sarge1_s390.deb
http://security.debian.org/pool/updates/main/b/bind9/libisc7_9.2.4-1sarge1_s390.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccc0_9.2.4-1sarge1_s390.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccfg0_9.2.4-1sarge1_s390.deb
http://security.debian.org/pool/updates/main/b/bind9/liblwres1_9.2.4-1sarge1_s390.deb
http://security.debian.org/pool/updates/main/b/bind9/lwresd_9.2.4-1sarge1_s390.deb
Sun Sparc
http://security.debian.org/pool/updates/main/b/bind9/bind9_9.2.4-1sarge1_sparc.deb
http://security.debian.org/pool/updates/main/b/bind9/bind9-host_9.2.4-1sarge1_sparc.deb
http://security.debian.org/pool/updates/main/b/bind9/dnsutils_9.2.4-1sarge1_sparc.deb
http://security.debian.org/pool/updates/main/b/bind9/libbind-dev_9.2.4-1sarge1_sparc.deb
http://security.debian.org/pool/updates/main/b/bind9/libdns16_9.2.4-1sarge1_sparc.deb
http://security.debian.org/pool/updates/main/b/bind9/libisc7_9.2.4-1sarge1_sparc.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccc0_9.2.4-1sarge1_sparc.deb
http://security.debian.org/pool/updates/main/b/bind9/libisccfg0_9.2.4-1sarge1_sparc.deb
http://security.debian.org/pool/updates/main/b/bind9/liblwres1_9.2.4-1sarge1_sparc.deb
http://security.debian.org/pool/updates/main/b/bind9/lwresd_9.2.4-1sarge1_sparc.deb

Mandriva

Corporate Server 3.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/bind-9.2.3-6.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/bind-devel-9.2.3-6.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/bind-utils-9.2.3-6.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/bind-9.2.3-6.1.C30mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/bind-9.2.3-6.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/bind-devel-9.2.3-6.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/bind-utils-9.2.3-6.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/SRPMS/bind-9.2.3-6.1.C30mdk.src.rpm

Multi Network Firewall 2.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/RPMS/bind-9.2.3-6.1.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/RPMS/bind-utils-9.2.3-6.1.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/SRPMS/bind-9.2.3-6.1.M20mdk.src.rpm

Mandriva Linux 2006
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/bind-9.3.1-4.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/bind-devel-9.3.1-4.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/bind-utils-9.3.1-4.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/bind-9.3.1-4.1.20060mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/bind-9.3.1-4.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/bind-devel-9.3.1-4.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/bind-utils-9.3.1-4.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/SRPMS/bind-9.3.1-4.1.20060mdk.src.rpm

NetBSD
NetBSD-current < 2006-09-06
NetBSD 3.* < 2006-09-07
ftp://ftp.netbsd.org/pub/NetBSD/NetBSD-daily/

Suse Linux
Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux

Apple
Mac OS X (Universal)
http://www.apple.com/support/downloads/securityupdate2007005universal.html
Mac OS X (PPC)
http://www.apple.com/support/downloads/securityupdate2007005ppc.html
Mac OS X (Server)
http://www.apple.com/support/downloads/securityupdate20070051039server.html
Mac OS X (Client)
http://www.apple.com/support/downloads/securityupdate20070051039client.html

Identificadores estándar
Propiedad Valor
CVE CVE-2006-4095
CVE-2006-4096
BID

Recursos adicionales
FreeBSD Security Advisory (FreeBSD-SA-06:20.bind)
http://security.freebsd.org/advisories/FreeBSD-SA-06:20.bind.asc

NISCC Vulnerability Advisory (172003)
http://www.niscc.gov.uk/niscc/docs/re-20060905-00590.pdf?lang=en

IBM Security Advisory
https://www14.software.ibm.com/webapp/set2/subscriptions/ijhifoe?mode=7&heading=AIX53&path=%2F200609%2FSECURITY%2F20060906%2Fdatafile143411&label=Potential+denial+of+service+vulnerability+in+BIND+9.2.1

OpenBSD Security Advisory Sep 8, 2006
http://www.openbsd.org/errata38.html#bind

OpenBSD Security Advisory Sep 8, 2006
http://www.openbsd.org/errata.html#bind

Debian Security Advisory (DSA 1172-1)
http://lists.debian.org/debian-security-announce/debian-security-announce-2006/msg00263.html

Mandriva Security Advisory (MDKSA-2006:163)
http://www.mandriva.com/security/advisories?name=MDKSA-2006:163

NetBSD Security Advisory (NetBSD-SA2006-022)
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-022.txt.asc

SUSE Security Advisory (SUSE-SR:2006:024)
http://www.novell.com/linux/security/advisories/2006_24_sr.html

Apple Security Update (305530)
http://docs.info.apple.com/article.html?artnum=305530

Histórico de versiones
Versión Comentario Fecha
1.0 Aviso emitido 2006-09-07
1.1 Aviso emitido por OpenBSD (Sep 8, 2006). Aviso emitido por Debian (DSA 1172-1). Aviso emitido por Mandriva (MDKSA-2006:163) 2006-09-12
1.2 Aviso emitido por NetBSD (NetBSD-SA2006-022) 2006-10-06
1.3 Aviso emitido por Suse (SUSE-SR:2006:024) 2006-10-17
1.4 Aviso emitido por Apple (305530) 2007-05-29

Miembros de

CERT
FIRST
TF-CSIRT
EGC Group
UE
Red Nacional de SOC
Foro Nacional de Ciberseguridad
CSIRT.es
Ministerio de Defensa
CNI
CCN
CCN-CERT