int(5077)

Vulnerability Bulletins

Salto de restricciones en Sendmail

Vulnerability classification
Property Value
Confidence level Oficial
Impact Aumento de privilegios
Dificulty Experto
Required attacker level Acceso remoto sin cuenta a un servicio estandar

System information
Property Value
Affected manufacturer GNU/Linux
Affected software Sendmail < 8.14.4

Description
Se ha descubierto una vulnerabilidad en Sendmail 8.14. La vulnerabilidad reside en un error en el manejo del carácter '\0' en el campo Common Name de un certificado X.509.

Un atacante remoto podría suplantar servidores SMPT SSL arbitrarios o saltar restricciones de acceso mediante un certificado especialmente diseñado emitido por una CA legítima.

Solution


Actualización de software

Debian (DSA-1985-1)

Debian Linux 4.0
Source
http://security.debian.org/pool/updates/main/s/sendmail/sendmail_8.13.8-3+etch1.diff.gz
http://security.debian.org/pool/updates/main/s/sendmail/sendmail_8.13.8-3+etch1.dsc
http://security.debian.org/pool/updates/main/s/sendmail/sendmail_8.13.8.orig.tar.gz
Arquitectura independiente:
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-cf_8.13.8-3+etch1_all.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-doc_8.13.8-3+etch1_all.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail_8.13.8-3+etch1_all.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-base_8.13.8-3+etch1_all.deb
alpha (DEC Alpha)
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.8-3+etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.8-3+etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0-dbg_8.13.8-3+etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.8-3+etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.8-3+etch1_alpha.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.8-3+etch1_alpha.deb
amd64 (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.8-3+etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.8-3+etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.8-3+etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0-dbg_8.13.8-3+etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.8-3+etch1_amd64.deb
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.8-3+etch1_amd64.deb
arm (ARM)
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.8-3+etch1_arm.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0-dbg_8.13.8-3+etch1_arm.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.8-3+etch1_arm.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.8-3+etch1_arm.deb
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.8-3+etch1_arm.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.8-3+etch1_arm.deb
hppa (HP PA RISC)
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.8-3+etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.8-3+etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.8-3+etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0-dbg_8.13.8-3+etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.8-3+etch1_hppa.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.8-3+etch1_hppa.deb
i386 (Intel ia32)
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.8-3+etch1_i386.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.8-3+etch1_i386.deb
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.8-3+etch1_i386.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.8-3+etch1_i386.deb
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.8-3+etch1_i386.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0-dbg_8.13.8-3+etch1_i386.deb
ia64 (Intel ia64)
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0-dbg_8.13.8-3+etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.8-3+etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.8-3+etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.8-3+etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.8-3+etch1_ia64.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.8-3+etch1_ia64.deb
mipsel (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.8-3+etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0-dbg_8.13.8-3+etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.8-3+etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.8-3+etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.8-3+etch1_mipsel.deb
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.8-3+etch1_mipsel.deb
powerpc (PowerPC)
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.8-3+etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.8-3+etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.8-3+etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.8-3+etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.8-3+etch1_powerpc.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0-dbg_8.13.8-3+etch1_powerpc.deb
s390 (IBM S/390)
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0-dbg_8.13.8-3+etch1_s390.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.8-3+etch1_s390.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.8-3+etch1_s390.deb
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.8-3+etch1_s390.deb
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.8-3+etch1_s390.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.8-3+etch1_s390.deb
sparc (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.8-3+etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0-dbg_8.13.8-3+etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.8-3+etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.8-3+etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.8-3+etch1_sparc.deb
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.8-3+etch1_sparc.deb

Debian (DSA-1985-1)

Debian Linux 5.0
Source
http://security.debian.org/pool/updates/main/s/sendmail/sendmail_8.14.3-5+lenny1.dsc
http://security.debian.org/pool/updates/main/s/sendmail/sendmail_8.14.3-5+lenny1.diff.gz
http://security.debian.org/pool/updates/main/s/sendmail/sendmail_8.14.3.orig.tar.gz
Arquitectura independiente:
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-cf_8.14.3-5+lenny1_all.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-doc_8.14.3-5+lenny1_all.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail_8.14.3-5+lenny1_all.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-base_8.14.3-5+lenny1_all.deb
alpha (DEC Alpha)
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1-dbg_8.14.3-5+lenny1_alpha.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.14.3-5+lenny1_alpha.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1_8.14.3-5+lenny1_alpha.deb
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.14.3-5+lenny1_alpha.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.14.3-5+lenny1_alpha.deb
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.14.3-5+lenny1_alpha.deb
amd64 (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.14.3-5+lenny1_amd64.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1-dbg_8.14.3-5+lenny1_amd64.deb
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.14.3-5+lenny1_amd64.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.14.3-5+lenny1_amd64.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.14.3-5+lenny1_amd64.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1_8.14.3-5+lenny1_amd64.deb
arm (ARM)
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1_8.14.3-5+lenny1_arm.deb
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.14.3-5+lenny1_arm.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.14.3-5+lenny1_arm.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.14.3-5+lenny1_arm.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1-dbg_8.14.3-5+lenny1_arm.deb
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.14.3-5+lenny1_arm.deb
armel (ARM EABI)
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1-dbg_8.14.3-5+lenny1_armel.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.14.3-5+lenny1_armel.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1_8.14.3-5+lenny1_armel.deb
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.14.3-5+lenny1_armel.deb
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.14.3-5+lenny1_armel.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.14.3-5+lenny1_armel.deb
hppa (HP PA RISC)
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.14.3-5+lenny1_hppa.deb
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.14.3-5+lenny1_hppa.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1_8.14.3-5+lenny1_hppa.deb
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.14.3-5+lenny1_hppa.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.14.3-5+lenny1_hppa.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1-dbg_8.14.3-5+lenny1_hppa.deb
i386 (Intel ia32)
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.14.3-5+lenny1_i386.deb
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.14.3-5+lenny1_i386.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1_8.14.3-5+lenny1_i386.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1-dbg_8.14.3-5+lenny1_i386.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.14.3-5+lenny1_i386.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.14.3-5+lenny1_i386.deb
ia64 (Intel ia64)
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.14.3-5+lenny1_ia64.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.14.3-5+lenny1_ia64.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1_8.14.3-5+lenny1_ia64.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1-dbg_8.14.3-5+lenny1_ia64.deb
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.14.3-5+lenny1_ia64.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.14.3-5+lenny1_ia64.deb
mips (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.14.3-5+lenny1_mips.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1_8.14.3-5+lenny1_mips.deb
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.14.3-5+lenny1_mips.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.14.3-5+lenny1_mips.deb
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.14.3-5+lenny1_mips.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1-dbg_8.14.3-5+lenny1_mips.deb
mipsel (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1-dbg_8.14.3-5+lenny1_mipsel.deb
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.14.3-5+lenny1_mipsel.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.14.3-5+lenny1_mipsel.deb
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.14.3-5+lenny1_mipsel.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1_8.14.3-5+lenny1_mipsel.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.14.3-5+lenny1_mipsel.deb
powerpc (PowerPC)
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.14.3-5+lenny1_powerpc.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1-dbg_8.14.3-5+lenny1_powerpc.deb
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.14.3-5+lenny1_powerpc.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1_8.14.3-5+lenny1_powerpc.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.14.3-5+lenny1_powerpc.deb
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.14.3-5+lenny1_powerpc.deb
s390 (IBM S/390)
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.14.3-5+lenny1_s390.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.14.3-5+lenny1_s390.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1-dbg_8.14.3-5+lenny1_s390.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.14.3-5+lenny1_s390.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1_8.14.3-5+lenny1_s390.deb
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.14.3-5+lenny1_s390.deb
sparc (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.14.3-5+lenny1_sparc.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1_8.14.3-5+lenny1_sparc.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.14.3-5+lenny1_sparc.deb
http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.14.3-5+lenny1_sparc.deb
http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.14.3-5+lenny1_sparc.deb
http://security.debian.org/pool/updates/main/s/sendmail/libmilter1.0.1-dbg_8.14.3-5+lenny1_sparc.deb

Standar resources
Property Value
CVE CVE-2009-4565
BID 37543

Other resources
Debian Security Advisory (DSA-1985-1)
http://lists.debian.org/debian-security-announce/2010/msg00024.html

Version history
Version Comments Date
1.0 Aviso emitido 2010-02-01
1.1 Aviso emitido por Suse (SUSE-SR:2010:006) 2010-03-18
1.2 Aviso emitido por IBM 2010-03-31
1.3 Aviso emitido por HP (HPSBUX02508) 2010-04-05
1.4 Aviso emitido por Red Hat (RHSA-2010:0237-5) 2010-04-12
Ministerio de Defensa
CNI
CCN
CCN-CERT