int(5127)

Boletines de Vulnerabilidades

Múltiples vulnerabilidades en Pidgin

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 Pidgin < 2.6.6

Descripción
Se han descubierto múltiples vulnerabilidades en Pidgin 2.6. Las vulnerabilidades son descritas a continuación:

CVE-2010-0277: Se ha descubierto una vulnerabilidad en Pidgin. La vulnerabilidad reside en un error en el protocolo MSN, en "slp.c". Un atacante remoto podría causar una denegación de servicio u obtener un impacto no especificado mediante una petición "MSNSLP INVITE" especialmente diseñada en un mensaje SLP. Una vulnerabilidad diferente a CVE-2010-0013.

CVE-2010-0420: La vulnerabilidad reside en un error en el protocolo XMPP en chats con múltiples usuarios, que no parsea correctamente nicks que contienen secuencias
. Un atacante remoto podría causar una denegación de servicio mediante un nick especialmente diseñado.

CVE-2010-0423: La vulnerabilidad reside en un error en "gtkimhtml.c". Un atacante remoto podría causar una denegación de servicio mediante el envío de muchos emoticonos en una conversación.

Solución


Actualización de software

Red Hat (RHSA-2010:0115-1)
RHEL Desktop Workstation (v. 5 cliente)
RHEL Optional Productivity Applications (v. 5 servidor)
RHEL Optional Productivity Applications EUS (v. 5.4.z servidor)
Red Hat Desktop (v. 4)
Red Hat Enterprise Linux AS (v. 4)
Red Hat Enterprise Linux AS (v. 4.8.z)
Red Hat Enterprise Linux Desktop (v. 5 client)
Red Hat Enterprise Linux ES (v. 4)
Red Hat Enterprise Linux ES (v. 4.8.z)
Red Hat Enterprise Linux WS (v. 4)
https://rhn.redhat.com/

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

Debian (DSA-2038-1)

Debian Linux 5.0
Source
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3.orig.tar.gz
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny6.dsc
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny6.diff.gz
Arquitectura independiente:
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-data_2.4.3-4lenny6_all.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch-dev_2.4.3-4lenny6_all.deb
http://security.debian.org/pool/updates/main/p/pidgin/libpurple-bin_2.4.3-4lenny6_all.deb
http://security.debian.org/pool/updates/main/p/pidgin/libpurple-dev_2.4.3-4lenny6_all.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dev_2.4.3-4lenny6_all.deb
alpha (DEC Alpha)
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny6_alpha.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny6_alpha.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny6_alpha.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny6_alpha.deb
amd64 (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny6_amd64.deb
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny6_amd64.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny6_amd64.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny6_amd64.deb
arm (ARM)
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny6_arm.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny6_arm.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny6_arm.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny6_arm.deb
armel (ARM EABI)
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny6_armel.deb
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny6_armel.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny6_armel.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny6_armel.deb
hppa (HP PA RISC)
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny6_hppa.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny6_hppa.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny6_hppa.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny6_hppa.deb
i386 (Intel ia32)
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny6_i386.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny6_i386.deb
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny6_i386.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny6_i386.deb
ia64 (Intel ia64)
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny6_ia64.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny6_ia64.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny6_ia64.deb
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny6_ia64.deb
mips (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny6_mips.deb
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny6_mips.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny6_mips.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny6_mips.deb
mipsel (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny6_mipsel.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny6_mipsel.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny6_mipsel.deb
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny6_mipsel.deb
powerpc (PowerPC)
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny6_powerpc.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny6_powerpc.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny6_powerpc.deb
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny6_powerpc.deb
s390 (IBM S/390)
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny6_s390.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny6_s390.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny6_s390.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny6_s390.deb
sparc (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny6_sparc.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny6_sparc.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny6_sparc.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny6_sparc.deb

Debian (DSA-2038-3)
Debian GNU/Linux 5.0
Source archives:
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3.orig.tar.gz
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny8.diff.gz
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny8.dsc
Architecture independent packages:
http://security.debian.org/pool/updates/main/p/pidgin/libpurple-dev_2.4.3-4lenny8_all.deb
http://security.debian.org/pool/updates/main/p/pidgin/libpurple-bin_2.4.3-4lenny8_all.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-data_2.4.3-4lenny8_all.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch-dev_2.4.3-4lenny8_all.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dev_2.4.3-4lenny8_all.deb
alpha architecture (DEC Alpha)
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny8_alpha.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny8_alpha.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny8_alpha.deb
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny8_alpha.deb
amd64 architecture (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny8_amd64.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny8_amd64.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny8_amd64.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny8_amd64.deb
arm architecture (ARM)
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny8_arm.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny8_arm.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny8_arm.deb
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny8_arm.deb
armel architecture (ARM EABI)
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny8_armel.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny8_armel.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny8_armel.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny8_armel.deb
hppa architecture (HP PA RISC)
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny8_hppa.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny8_hppa.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny8_hppa.deb
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny8_hppa.deb
i386 architecture (Intel ia32)
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny8_i386.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny8_i386.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny8_i386.deb
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny8_i386.deb
ia64 architecture (Intel ia64)
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny8_ia64.deb
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny8_ia64.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny8_ia64.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny8_ia64.deb
mips architecture (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny8_mips.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny8_mips.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny8_mips.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny8_mips.deb
mipsel architecture (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny8_mipsel.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny8_mipsel.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny8_mipsel.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny8_mipsel.deb
powerpc architecture (PowerPC)
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny8_powerpc.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny8_powerpc.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny8_powerpc.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny8_powerpc.deb
s390 architecture (IBM S/390)
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny8_s390.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny8_s390.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny8_s390.deb
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny8_s390.deb
sparc architecture (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/p/pidgin/pidgin_2.4.3-4lenny8_sparc.deb
http://security.debian.org/pool/updates/main/p/pidgin/pidgin-dbg_2.4.3-4lenny8_sparc.deb
http://security.debian.org/pool/updates/main/p/pidgin/finch_2.4.3-4lenny8_sparc.deb
http://security.debian.org/pool/updates/main/p/pidgin/libpurple0_2.4.3-4lenny8_sparc.deb

Identificadores estándar
Propiedad Valor
CVE CVE-2010-0277
CVE-2010-0420
CVE-2010-0423
BID 38294

Recursos adicionales
Red Hat Security Advisory (RHSA-2010:0115-1)
https://rhn.redhat.com/errata/RHSA-2010-0115.html

SUSE Security Advisory (SUSE-SR:2010:006)
http://www.novell.com/linux/security/advisories/2010_6_sr.html

Debian Security Advisory (DSA-2038-1)
http://lists.debian.org/debian-security-announce/2010/msg00077.html

Debian Security Advisory (DSA-2038-3)
http://lists.debian.org/debian-security-announce/2010/msg00175.html

HP SECURITY BULLETIN (HPSBMA02629)
http://www13.itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c02711131

Histórico de versiones
Versión Comentario Fecha
1.0 Aviso emitido 2010-03-02
1.1 Aviso emitido por Suse (SUSE-SR:2010:006) 2010-03-18
1.2 Aviso emitido por Debian (DSA-2038-1) 2010-04-17
1.3 Aviso emitido por Debian (DSA-2038-3) 2010-11-15
1.4 Aviso emitido por HP (HPSBMA02629) 2011-02-08

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