Boletines de Vulnerabilidades

int(3134)

Boletines de Vulnerabilidades

Salto de autenticación en XScreenSaver
Clasificación de la vulnerabilidad
Propiedad	Valor
Nivel de Confianza	Oficial
Impacto	Obtener acceso
Dificultad	Experto
Requerimientos del atacante	Acceso remoto con cuenta
Información sobre el sistema
Propiedad	Valor
Fabricante afectado	GNU/Linux
Software afectado	XScreenSaver 4.10
Descripción
Se ha descubierto una vulnerabilidad en XScreenSaver 4.10. La vulnerabilidad reside en un error cuando se usa un directorio remoto para los credenciales. Un atacante local podría saltarse restricciones de autenticación con una conexión a la red que porvocaría que XScreenSaver se desactivase y permitiese desbloquear la pantalla.
Solución
Actualización de software Red Hat (RHSA-2007:0322-4) Red Hat Desktop (v. 3) Red Hat Desktop (v. 4) Red Hat Enterprise Linux AS (v. 2.1) Red Hat Enterprise Linux AS (v. 3) Red Hat Enterprise Linux AS (v. 4) Red Hat Enterprise Linux ES (v. 2.1) Red Hat Enterprise Linux ES (v. 3) Red Hat Enterprise Linux ES (v. 4) Red Hat Enterprise Linux WS (v. 2.1) Red Hat Enterprise Linux WS (v. 3) Red Hat Enterprise Linux WS (v. 4) Red Hat Linux Advanced Workstation 2.1 for the Itanium Processor https://rhn.redhat.com/ Mandriva Corporate Server 3.0 X86 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/xscreensaver-4.14-4.2.C30mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/xscreensaver-extrusion-4.14-4.2.C30mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/xscreensaver-gl-4.14-4.2.C30mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/xscreensaver-4.14-4.2.C30mdk.src.rpm X86_64 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/xscreensaver-4.14-4.2.C30mdk.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/xscreensaver-extrusion-4.14-4.2.C30mdk.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/xscreensaver-gl-4.14-4.2.C30mdk.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/xscreensaver-4.14-4.2.C30mdk.src.rpm Mandriva Linux 2007 X86 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/xscreensaver-5.00-5.1mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/xscreensaver-base-5.00-5.1mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/xscreensaver-common-5.00-5.1mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/xscreensaver-extrusion-5.00-5.1mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/xscreensaver-gl-5.00-5.1mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/xscreensaver-5.00-5.1mdv2007.0.src.rpm X86_64 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/xscreensaver-5.00-5.1mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/xscreensaver-base-5.00-5.1mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/xscreensaver-common-5.00-5.1mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/xscreensaver-extrusion-5.00-5.1mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/xscreensaver-gl-5.00-5.1mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/xscreensaver-5.00-5.1mdv2007.0.src.rpm Mandriva Linux 2007.1 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/xscreensaver-5.01-3.1mdv2007.1.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/xscreensaver-base-5.01-3.1mdv2007.1.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/xscreensaver-common-5.01-3.1mdv2007.1.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/xscreensaver-extrusion-5.01-3.1mdv2007.1.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/xscreensaver-gl-5.01-3.1mdv2007.1.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/SRPMS/xscreensaver-5.01-3.1mdv2007.1.src.rpm X86_64 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/xscreensaver-5.01-3.1mdv2007.1.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/xscreensaver-base-5.01-3.1mdv2007.1.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/xscreensaver-common-5.01-3.1mdv2007.1.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/xscreensaver-extrusion-5.01-3.1mdv2007.1.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/xscreensaver-gl-5.01-3.1mdv2007.1.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/SRPMS/xscreensaver-5.01-3.1mdv2007.1.src.rpm SGI Advanced Linux Environment 3 / RPM / Patch 10403 ftp://oss.sgi.com/projects/sgi_propack/download/3/updates/RPMS Advanced Linux Environment 3 / SRPM / Patch 10403 ftp://oss.sgi.com/projects/sgi_propack/download/3/updates/SRPMS
Identificadores estándar
Propiedad	Valor
CVE	CVE-2007-1859
BID
Recursos adicionales
Red Hat Security Advisory (RHSA-2007:0322-4) https://rhn.redhat.com/errata/RHSA-2007-0322.html Mandriva Security Advisory (MDKSA-2007:097) http://www.mandriva.com/security/advisories?name=MDKSA-2007:097 SGI Security Advisory (20070501-01-P) ftp://patches.sgi.com/support/free/security/advisories/20070501-01-P.asc