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DEFENSA FRENTE A LAS CIBERAMENAZAS

barra-separadora

Boletines de Vulnerabilidades


Ejecución remota de código en Ruby

Clasificación de la vulnerabilidad

Propiedad Valor
Nivel de Confianza Oficial
Impacto Obtener acceso
Dificultad Experto
Requerimientos del atacante Acceso remoto sin cuenta a un servicio exotico

Información sobre el sistema

Propiedad Valor
Fabricante afectado GNU/Linux
Software afectado Ruby

Descripción

Se ha descubierto una vulnerabilidad en Ruby. La vulnerabilidad reside en el servidor xmlrpc, concretamente en que se usa un valor por defecto inadecuado.

La explotación de esta vulnerabilidad podría permitir a un atacante remoto ejecutar código arbitrario.

Solución



Actualización de software

Debian Linux

Debian Linux 3.1
Source archives
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2-7sarge1.dsc
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2-7sarge1.diff.gz
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2.orig.tar.gz
Architecture independent packages
http://security.debian.org/pool/updates/main/r/ruby1.8/ri1.8_1.8.2-7sarge1_all.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/irb1.8_1.8.2-7sarge1_all.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8-examples_1.8.2-7sarge1_all.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/rdoc1.8_1.8.2-7sarge1_all.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8-elisp_1.8.2-7sarge1_all.deb
alpha architecture (DEC Alpha)
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2-7sarge1_alpha.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm-ruby1.8_1.8.2-7sarge1_alpha.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm-ruby1.8_1.8.2-7sarge1_alpha.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2-7sarge1_alpha.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8-dev_1.8.2-7sarge1_alpha.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8-dbg_1.8.2-7sarge1_alpha.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline-ruby1.8_1.8.2-7sarge1_alpha.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk-ruby1.8_1.8.2-7sarge1_alpha.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl-ruby1.8_1.8.2-7sarge1_alpha.deb
arm architecture (ARM)
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8-dbg_1.8.2-7sarge1_arm.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk-ruby1.8_1.8.2-7sarge1_arm.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2-7sarge1_arm.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2-7sarge1_arm.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline-ruby1.8_1.8.2-7sarge1_arm.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8-dev_1.8.2-7sarge1_arm.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm-ruby1.8_1.8.2-7sarge1_arm.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm-ruby1.8_1.8.2-7sarge1_arm.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl-ruby1.8_1.8.2-7sarge1_arm.deb
hppa architecture (HP PA RISC)
http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm-ruby1.8_1.8.2-7sarge1_hppa.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline-ruby1.8_1.8.2-7sarge1_hppa.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl-ruby1.8_1.8.2-7sarge1_hppa.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2-7sarge1_hppa.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk-ruby1.8_1.8.2-7sarge1_hppa.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8-dbg_1.8.2-7sarge1_hppa.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8-dev_1.8.2-7sarge1_hppa.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2-7sarge1_hppa.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm-ruby1.8_1.8.2-7sarge1_hppa.deb
i386 architecture (Intel ia32)
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8-dbg_1.8.2-7sarge1_i386.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk-ruby1.8_1.8.2-7sarge1_i386.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8-dev_1.8.2-7sarge1_i386.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2-7sarge1_i386.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm-ruby1.8_1.8.2-7sarge1_i386.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm-ruby1.8_1.8.2-7sarge1_i386.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl-ruby1.8_1.8.2-7sarge1_i386.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline-ruby1.8_1.8.2-7sarge1_i386.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2-7sarge1_i386.deb
ia64 architecture (Intel ia64)
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8-dev_1.8.2-7sarge1_ia64.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2-7sarge1_ia64.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm-ruby1.8_1.8.2-7sarge1_ia64.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl-ruby1.8_1.8.2-7sarge1_ia64.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2-7sarge1_ia64.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk-ruby1.8_1.8.2-7sarge1_ia64.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline-ruby1.8_1.8.2-7sarge1_ia64.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm-ruby1.8_1.8.2-7sarge1_ia64.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8-dbg_1.8.2-7sarge1_ia64.deb
m68k architecture (Motorola Mc680x0)
http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl-ruby1.8_1.8.2-7sarge1_m68k.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm-ruby1.8_1.8.2-7sarge1_m68k.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2-7sarge1_m68k.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk-ruby1.8_1.8.2-7sarge1_m68k.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2-7sarge1_m68k.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm-ruby1.8_1.8.2-7sarge1_m68k.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8-dbg_1.8.2-7sarge1_m68k.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline-ruby1.8_1.8.2-7sarge1_m68k.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8-dev_1.8.2-7sarge1_m68k.deb
mips architecture (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8-dev_1.8.2-7sarge1_mips.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8-dbg_1.8.2-7sarge1_mips.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm-ruby1.8_1.8.2-7sarge1_mips.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk-ruby1.8_1.8.2-7sarge1_mips.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2-7sarge1_mips.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl-ruby1.8_1.8.2-7sarge1_mips.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2-7sarge1_mips.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm-ruby1.8_1.8.2-7sarge1_mips.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline-ruby1.8_1.8.2-7sarge1_mips.deb
mipsel architecture (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8-dbg_1.8.2-7sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm-ruby1.8_1.8.2-7sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm-ruby1.8_1.8.2-7sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2-7sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk-ruby1.8_1.8.2-7sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8-dev_1.8.2-7sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl-ruby1.8_1.8.2-7sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2-7sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline-ruby1.8_1.8.2-7sarge1_mipsel.deb
powerpc architecture (PowerPC)
http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm-ruby1.8_1.8.2-7sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl-ruby1.8_1.8.2-7sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm-ruby1.8_1.8.2-7sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2-7sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8-dbg_1.8.2-7sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk-ruby1.8_1.8.2-7sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8-dev_1.8.2-7sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2-7sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline-ruby1.8_1.8.2-7sarge1_powerpc.deb
s390 architecture (IBM S/390)
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8-dev_1.8.2-7sarge1_s390.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2-7sarge1_s390.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm-ruby1.8_1.8.2-7sarge1_s390.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl-ruby1.8_1.8.2-7sarge1_s390.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk-ruby1.8_1.8.2-7sarge1_s390.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8-dbg_1.8.2-7sarge1_s390.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2-7sarge1_s390.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline-ruby1.8_1.8.2-7sarge1_s390.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm-ruby1.8_1.8.2-7sarge1_s390.deb
sparc architecture (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2-7sarge1_sparc.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl-ruby1.8_1.8.2-7sarge1_sparc.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm-ruby1.8_1.8.2-7sarge1_sparc.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk-ruby1.8_1.8.2-7sarge1_sparc.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm-ruby1.8_1.8.2-7sarge1_sparc.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8-dev_1.8.2-7sarge1_sparc.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8-dbg_1.8.2-7sarge1_sparc.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline-ruby1.8_1.8.2-7sarge1_sparc.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2-7sarge1_sparc.deb

Mandriva Linux

Mandrakelinux 10.1
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/ruby-1.8.1-4.3.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/ruby-devel-1.8.1-4.3.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/ruby-doc-1.8.1-4.3.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/ruby-tk-1.8.1-4.3.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/SRPMS/ruby-1.8.1-4.3.101mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/ruby-1.8.1-4.3.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/ruby-devel-1.8.1-4.3.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/ruby-doc-1.8.1-4.3.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/ruby-tk-1.8.1-4.3.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/SRPMS/ruby-1.8.1-4.3.101mdk.src.rpm

Corporate Server 3.0
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/ruby-1.8.1-1.3.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/ruby-devel-1.8.1-1.3.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/ruby-doc-1.8.1-1.3.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/ruby-tk-1.8.1-1.3.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/ruby-1.8.1-1.3.C30mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/ruby-1.8.1-1.3.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/ruby-devel-1.8.1-1.3.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/ruby-doc-1.8.1-1.3.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/ruby-tk-1.8.1-1.3.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/SRPMS/ruby-1.8.1-1.3.C30mdk.src.rpm

Mandrivalinux LE2005
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/ruby-1.8.2-6.1.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/ruby-devel-1.8.2-6.1.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/ruby-doc-1.8.2-6.1.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/ruby-tk-1.8.2-6.1.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/SRPMS/ruby-1.8.2-6.1.102mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/ruby-1.8.2-6.1.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/ruby-devel-1.8.2-6.1.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/ruby-doc-1.8.2-6.1.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/ruby-tk-1.8.2-6.1.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/SRPMS/ruby-1.8.2-6.1.102mdk.src.rpm

SUSE Linux
Actualizar mediante YaST Online Update

Red Hat Linux
Red Hat Desktop (v. 4)
Red Hat Enterprise Linux AS (v. 4)
Red Hat Enterprise Linux ES (v. 4)
Red Hat Enterprise Linux WS (v. 4)
https://rhn.redhat.com/

Debian (DSA 773-1)

Debian Linux 3.1
AMD64
http://security.debian.org/pool/updates/main/r/ruby1.8/libdbm-ruby1.8_1.8.2-7sarge1_amd64.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libgdbm-ruby1.8_1.8.2-7sarge1_amd64.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libopenssl-ruby1.8_1.8.2-7sarge1_amd64.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libreadline-ruby1.8_1.8.2-7sarge1_amd64.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8_1.8.2-7sarge1_amd64.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libruby1.8-dbg_1.8.2-7sarge1_amd64.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/libtcltk-ruby1.8_1.8.2-7sarge1_amd64.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8_1.8.2-7sarge1_amd64.deb
http://security.debian.org/pool/updates/main/r/ruby1.8/ruby1.8-dev_1.8.2-7sarge1_amd64.deb

Apple
Mac OS X 10.3.9 Client
http://wsidecar.apple.com/cgi-bin/nph-reg3rdpty1.pl/product=08249&cat=1&platform=osx&method=sa/SecUpd2005-008Pan.dmg
Mac OS X 10.4.2 Client
http://wsidecar.apple.com/cgi-bin/nph-reg3rdpty1.pl/product=08254&cat=1&platform=osx&method=sa/SecUpd2005-008Ti.dmg

Identificadores estándar

Propiedad Valor
CVE CAN-2005-1992
BID NULL

Recursos adicionales

Debian Security Advisory DSA 748-1
http://lists.debian.org/debian-security-announce/debian-security-announce-2005/msg00136.html

Mandriva Security Advisories MDKSA-2005:118
http://www.mandriva.com/security/advisories?name=MDKSA-2005:118

SUSE Security Summary Report SUSE-SR:2005:018
http://www.novell.com/linux/security/advisories/2005_18_sr.html

Red Hat Security Advisory RHSA-2005:543-08
https://rhn.redhat.com/errata/RHSA-2005-543.html

Debian Security Advisory DSA 773-1
http://lists.debian.org/debian-security-announce/debian-security-announce-2005/msg00160.html

Apple Security Update (2005-008)
http://docs.info.apple.com/article.html?artnum=302413

Histórico de versiones

Versión Comentario Fecha
1.0 Aviso emitido 2005-07-11
1.1 Aviso emitido por Mandriva (MDKSA-2005:118) 2005-07-13
1.2 Aviso emitido por SUSE (SUSE-SR:2005:018) 2005-08-02
1.3 Aviso emitido por Red Hat (RHSA-2005:543-08) 2005-08-08
1.4 Aviso emitido por Debian (DSA 773-1) 2005-08-31
1.5 Aviso emitido por Apple (2005-008) 2005-09-29
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