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Boletines de Vulnerabilidades


Vulnerabilidad en la autenticación CRAM-MD5 de UW-IMAP

Clasificación de la vulnerabilidad

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

Información sobre el sistema

Propiedad Valor
Fabricant afectat GNU/Linux
Software afectado University of Washington IMAP server

Descripción

Se ha descubierto un error de validación de acceso en UW-IMAP. La vulnerabilidad reside en la autenticación CRAM-MD5.

La explotación de esta vulnerabilidad podría permitir a un atacante remoto autenticarse en el servidor IMAP como cualquier usuario.

Solución

Si lo desea, aplique los mecanismos de actualización propios de su distribución, o bien baje las fuentes del software y compílelo usted mismo.


Actualización de software

University of Washington IMAP server
imap-2004b
ftp://ftp.cac.washington.edu/imap

Mandrake Linux

Mandrakelinux 10.0
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/imap-2002d-8.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/imap-devel-2002d-8.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/imap-utils-2002d-8.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/SRPMS/imap-2002d-8.1.100mdk.src.rpm
AMD64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/RPMS/imap-2002d-8.1.100mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/RPMS/imap-devel-2002d-8.1.100mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/RPMS/imap-utils-2002d-8.1.100mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/SRPMS/imap-2002d-8.1.100mdk.src.rpm

Mandrakelinux 10.1
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/imap-2004-2.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/imap-devel-2004-2.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/imap-utils-2004-2.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/libc-client-php0-2004-2.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/libc-client-php0-devel-2004-2.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/SRPMS/imap-2004-2.1.101mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/imap-2004-2.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/imap-devel-2004-2.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/imap-utils-2004-2.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/lib64c-client-php0-2004-2.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/lib64c-client-php0-devel-2004-2.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/SRPMS/imap-2004-2.1.101mdk.src.rpm

Mandrake Corporate Server 3.0
x86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/imap-2002d-8.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/imap-devel-2002d-8.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/imap-utils-2002d-8.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/imap-2002d-8.1.C30mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/imap-2002d-8.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/imap-devel-2002d-8.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/imap-utils-2002d-8.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/SRPMS/imap-2002d-8.1.C30mdk.src.rpm

Red Hat Linux
Red Hat Desktop (v. 3)
Red Hat Enterprise Linux AS (v. 3)
Red Hat Enterprise Linux ES (v. 3)
Red Hat Enterprise Linux WS (v. 3)
https://rhn.redhat.com/

SUSE Linux

SUSE Linux 9.2
x86
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/i586/imap-2004a-3.2.i586.rpm
x86-64
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/x86_64/imap-2004a-3.2.x86_64.rpm
ftp://ftp.suse.com/pub/suse/i386/update/9.2/rpm/src/imap-2004a-3.2.src.rpm

SUSE Linux 9.1
x86
ftp://ftp.suse.com/pub/suse/i386/update/9.1/rpm/i586/imap-2002e-92.4.i586.rpm
x86-64
ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/x86_64/imap-2002e-92.4.x86_64.rpm
ftp://ftp.suse.com/pub/suse/x86_64/update/9.1/rpm/src/imap-2002e-92.4.src.rpm

SUSE Linux 9.0
x86
ftp://ftp.suse.com/pub/suse/i386/update/9.0/rpm/i586/imap-2002d-59.i586.rpm
x86-64
ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/x86_64/imap-2002d-59.x86_64.rpm
ftp://ftp.suse.com/pub/suse/x86_64/update/9.0/rpm/src/imap-2002d-59.src.rpm

SUSE Linux 8.2
x86
ftp://ftp.suse.com/pub/suse/i386/update/8.2/rpm/i586/imap-2002-56.i586.rpm

Identificadores estándar

Propiedad Valor
CVE CAN-2005-0198
BID

Recursos adicionales

Mandrakesoft Security Advisories MDKSA-2005:026
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2005:026

Red Hat Security Advisory RHSA-2005:128-06
https://rhn.redhat.com/errata/RHSA-2005-128.html

SUSE Security Announcement SUSE-SA:2005:012
http://www.novell.com/linux/security/advisories/2005_12_imap.html

Histórico de versiones

Versión Comentario Data
1.0 Aviso emitido 2005-02-02
1.1 Aviso emitido por Red Hat (RHSA-2005:128-06). CAN añadido. 2005-02-24
1.2 Aviso emitido por SUSE (SUSE-SA:2005:012) 2005-03-02
Ministerio de Defensa
CNI
CCN
CCN-CERT