Vulnerabilidad en las versiones anteriores a la 3.0.2 del servidor Samba
|
Vulnerability classification
|
Property |
Value |
Confidence level |
Oficial |
Impact |
Obtener acceso |
Dificulty |
Avanzado |
Required attacker level |
Acceso remoto sin cuenta a un servicio exotico |
System information
|
Property |
Value |
Affected manufacturer |
GNU/Linux |
Affected software |
Samba <3.0.2 |
Description
|
Se ha descubierto una vulnerabilidad en las versiones anteriores a la 3.0.2 del servidor Samba para Linux/Unix.
La vulnerabilidad reside en el script mksmbpassword. Si una cuenta es creada pero marcada como desactivada utilizando el script mencionado Samba sobrescribirá el password del usuario con el contenido de un buffer no inicializado. Esto podría permitir a un atacante remoto activar una cuenta desactivada ya que el password podría ser adivinado fácilmente por el atacante. |
Solution
|
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
Samba 3.0.2
http://download.samba.org/samba/ftp/
Red Hat
Red Hat Desktop (v. 3)
AMD64
samba-3.0.2-6.3E.x86_64.rpm
samba-client-3.0.2-6.3E.x86_64.rpm
samba-common-3.0.2-6.3E.x86_64.rpm
samba-swat-3.0.2-6.3E.x86_64.rpm
SRPMS
samba-3.0.2-6.3E.src.rpm
i386
samba-3.0.2-6.3E.i386.rpm
samba-client-3.0.2-6.3E.i386.rpm
samba-common-3.0.2-6.3E.i386.rpm
samba-swat-3.0.2-6.3E.i386.rpm
samba-3.0.2-6.3E.i386.rpm
https://rhn.redhat.com/
Red Hat Enterprise Linux AS (v. 3)
AMD64
samba-3.0.2-6.3E.x86_64.rpm
samba-client-3.0.2-6.3E.x86_64.rpm
samba-common-3.0.2-6.3E.x86_64.rpm
samba-swat-3.0.2-6.3E.x86_64.rpm
SRPMS
samba-3.0.2-6.3E.src.rpm
i386
samba-3.0.2-6.3E.i386.rpm
samba-client-3.0.2-6.3E.i386.rpm
samba-common-3.0.2-6.3E.i386.rpm
samba-swat-3.0.2-6.3E.i386.rpm
samba-3.0.2-6.3E.i386.rpm
ia64
samba-3.0.2-6.3E.ia64.rpm
samba-client-3.0.2-6.3E.ia64.rpm
samba-common-3.0.2-6.3E.ia64.rpm
samba-swat-3.0.2-6.3E.ia64.rpm
ppc
samba-3.0.2-6.3E.ppc.rpm
samba-client-3.0.2-6.3E.ppc.rpm
samba-common-3.0.2-6.3E.ppc.rpm
samba-swat-3.0.2-6.3E.ppc.rpm
ppc64
samba-3.0.2-6.3E.ppc64.rpm
s390
samba-3.0.2-6.3E.s390.rpm
samba-client-3.0.2-6.3E.s390.rpm
samba-common-3.0.2-6.3E.s390.rpm
samba-swat-3.0.2-6.3E.s390.rpm
samba-3.0.2-6.3E.s390.rpm
s390x
samba-3.0.2-6.3E.s390x.rpm
samba-client-3.0.2-6.3E.s390x.rpm
samba-common-3.0.2-6.3E.s390x.rpm
samba-swat-3.0.2-6.3E.s390x.rpm
https://rhn.redhat.com/
Red Hat Enterprise Linux ES (v. 3)
AMD64
samba-3.0.2-6.3E.x86_64.rpm
samba-client-3.0.2-6.3E.x86_64.rpm
samba-common-3.0.2-6.3E.x86_64.rpm
samba-swat-3.0.2-6.3E.x86_64.rpm
SRPMS
samba-3.0.2-6.3E.src.rpm
i386
samba-3.0.2-6.3E.i386.rpm
samba-client-3.0.2-6.3E.i386.rpm
samba-common-3.0.2-6.3E.i386.rpm
samba-swat-3.0.2-6.3E.i386.rpm
samba-3.0.2-6.3E.i386.rpm
ia64
samba-3.0.2-6.3E.ia64.rpm
samba-client-3.0.2-6.3E.ia64.rpm
samba-common-3.0.2-6.3E.ia64.rpm
samba-swat-3.0.2-6.3E.ia64.rpm
https://rhn.redhat.com/
Red Hat Enterprise Linux WS (v. 3)
AMD64:
samba-3.0.2-6.3E.x86_64.rpm
samba-client-3.0.2-6.3E.x86_64.rpm
samba-common-3.0.2-6.3E.x86_64.rpm
samba-swat-3.0.2-6.3E.x86_64.rpm
SRPMS
samba-3.0.2-6.3E.src.rpm
i386
samba-3.0.2-6.3E.i386.rpm
samba-client-3.0.2-6.3E.i386.rpm
samba-common-3.0.2-6.3E.i386.rpm
samba-swat-3.0.2-6.3E.i386.rpm
samba-3.0.2-6.3E.i386.rpm
ia64
samba-3.0.2-6.3E.ia64.rpm
samba-client-3.0.2-6.3E.ia64.rpm
samba-common-3.0.2-6.3E.ia64.rpm
samba-swat-3.0.2-6.3E.ia64.rpm
https://rhn.redhat.com/ |
Standar resources
|
Property |
Value |
CVE |
CAN-2004-0082 |
BID |
NULL |
Other resources
|
Samba document concerning the release of Samba 3.0.2
http://samba.org/samba/whatsnew/samba-3.0.2.html
Red Hat Security Advisory RHSA-2004:064-11
https://rhn.redhat.com/errata/RHSA-2004-064.html |
Version history
|
Version |
Comments |
Date |
1.0
|
Aviso emitido
|
2004-02-12
|
1.1
|
Aviso emitido por Red Hat (RHSA-2004:064-11)
|
2004-05-24
|