int(4791)

Boletines de Vulnerabilidades


Suplantación de firmas en xml-security-c

Clasificación de la vulnerabilidad

Propiedad Valor
Nivel de Confianza Oficial
Impacto Confidencialidad
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 xml-security-c

Descripción

Se ha descubierto una vulnerabilidad en el diseño de W3C XML Signature Syntax and Processing. La vulnerabilidad reside en un error en la función "HMACOutputLength".

Un atacante remoto podría suplantar firmas basadas en HMAC especificando una longitud de truncado muy pequeña.

Solución



Actualización de software

Debian (DSA-1849-1)

Debian Linux 4.0
Source
http://security.debian.org/pool/updates/main/x/xml-security-c/xml-security-c_1.2.1.orig.tar.gz
http://security.debian.org/pool/updates/main/x/xml-security-c/xml-security-c_1.2.1-3+etch1.diff.gz
http://security.debian.org/pool/updates/main/x/xml-security-c/xml-security-c_1.2.1-3+etch1.dsc
Arquitectura independiente:
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-doc_1.2.1-3+etch1_all.deb
alpha (DEC Alpha)
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.2.1-3+etch1_alpha.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c12_1.2.1-3+etch1_alpha.deb
amd64 (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c12_1.2.1-3+etch1_amd64.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.2.1-3+etch1_amd64.deb
arm (ARM)
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c12_1.2.1-3+etch1_arm.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.2.1-3+etch1_arm.deb
hppa (HP PA RISC)
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.2.1-3+etch1_hppa.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c12_1.2.1-3+etch1_hppa.deb
i386 (Intel ia32)
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c12_1.2.1-3+etch1_i386.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.2.1-3+etch1_i386.deb
ia64 (Intel ia64)
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.2.1-3+etch1_ia64.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c12_1.2.1-3+etch1_ia64.deb
mips (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.2.1-3+etch1_mips.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c12_1.2.1-3+etch1_mips.deb
mipsel (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.2.1-3+etch1_mipsel.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c12_1.2.1-3+etch1_mipsel.deb
powerpc (PowerPC)
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.2.1-3+etch1_powerpc.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c12_1.2.1-3+etch1_powerpc.deb
s390 (IBM S/390)
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.2.1-3+etch1_s390.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c12_1.2.1-3+etch1_s390.deb
sparc (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.2.1-3+etch1_sparc.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c12_1.2.1-3+etch1_sparc.deb

Debian (DSA-1849-1)

Debian Linux 5.0
Source
http://security.debian.org/pool/updates/main/x/xml-security-c/xml-security-c_1.4.0.orig.tar.gz
http://security.debian.org/pool/updates/main/x/xml-security-c/xml-security-c_1.4.0-3+lenny2.dsc
http://security.debian.org/pool/updates/main/x/xml-security-c/xml-security-c_1.4.0-3+lenny2.diff.gz
alpha (DEC Alpha)
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c14_1.4.0-3+lenny2_alpha.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.4.0-3+lenny2_alpha.deb
amd64 (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.4.0-3+lenny2_amd64.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c14_1.4.0-3+lenny2_amd64.deb
arm (ARM)
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c14_1.4.0-3+lenny2_arm.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.4.0-3+lenny2_arm.deb
armel (ARM EABI)
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c14_1.4.0-3+lenny2_armel.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.4.0-3+lenny2_armel.deb
hppa (HP PA RISC)
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.4.0-3+lenny2_hppa.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c14_1.4.0-3+lenny2_hppa.deb
i386 (Intel ia32)
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c14_1.4.0-3+lenny2_i386.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.4.0-3+lenny2_i386.deb
ia64 (Intel ia64)
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.4.0-3+lenny2_ia64.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c14_1.4.0-3+lenny2_ia64.deb
mips (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.4.0-3+lenny2_mips.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c14_1.4.0-3+lenny2_mips.deb
mipsel (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.4.0-3+lenny2_mipsel.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c14_1.4.0-3+lenny2_mipsel.deb
powerpc (PowerPC)
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.4.0-3+lenny2_powerpc.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c14_1.4.0-3+lenny2_powerpc.deb
s390 (IBM S/390)
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c14_1.4.0-3+lenny2_s390.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.4.0-3+lenny2_s390.deb
sparc (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c14_1.4.0-3+lenny2_sparc.deb
http://security.debian.org/pool/updates/main/x/xml-security-c/libxml-security-c-dev_1.4.0-3+lenny2_sparc.deb

Sun (263429)
JDK and JRE 6 Update 15 o posterior
JDK and JRE 5.0 Update 20 o posterior
http://sunsolve.sun.com/pub-cgi/show.pl?target=patchpage

Red Hat (RHSA-2009:1428-1)
RHEL Desktop Workstation (v. 5 cliente)
Red Hat Desktop (v. 4)
Red Hat Enterprise Linux (v. 5 servidor)
Red Hat Enterprise Linux AS (v. 4)
Red Hat Enterprise Linux AS (v. 4.8.z)
Red Hat Enterprise Linux Desktop (v. 5 cliente)
Red Hat Enterprise Linux ES (v. 4)
Red Hat Enterprise Linux ES (v. 4.8.z)
Red Hat Enterprise Linux EUS (v. 5.4.z servidor)
Red Hat Enterprise Linux WS (v. 4)
https://rhn.redhat.com/

Identificadores estándar

Propiedad Valor
CVE CVE-2009-0217
BID

Recursos adicionales

Debian Security Advisory (DSA-1849-1)
http://lists.debian.org/debian-security-announce/2009/msg00165.html

Sun Alert Notification (263429)
http://sunsolve.sun.com/search/document.do?assetkey=1-66-263429-1

Red Hat Security Advisory (RHSA-2009:1428-1)
https://rhn.redhat.com/errata/RHSA-2009-1428.html

Histórico de versiones

Versión Comentario Fecha
1.0 Aviso emitido 2009-08-03
1.1 Aviso emitido por Sun (263429) 2009-08-10
1.2 Aviso emitido por Red Hat (RHSA-2009:1428-1) 2009-09-10
1.3 Aviso emitido por Debian (DSA-1995-1) 2010-02-26
1.4 Aviso emitido por Suse (SUSE-SA:2010:017) 2010-03-25

Miembros de

Ministerio de Defensa
CNI
CCN
CCN-CERT