int(2826)

Boletines de Vulnerabilidades


Denegación de servicio en Libpng

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 exotico

Información sobre el sistema

Propiedad Valor
Fabricante afectado GNU/Linux
Software afectado libpng < 1.2.12
syslinux
pxelinux
doxygen

Descripción

Se ha descubierto una vulnerabilidad en libpng 1.2.12, syslinux, pxelinux y doxygen. La vulnerabilidad reside en un error en la función "png_set_sPLT()".

La explotación de esta vulnerabilidad por un atacante puede causar una denegación de servicio mediante el uso de alguna aplicación que utilice libpng y que haga una lectura fuera de rango.

Solución



Actualización de software

Mandriva (libpng MDKSA-2006:209)

Corporate Server 3.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/libpng3-1.2.5-10.7.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/libpng3-devel-1.2.5-10.7.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/libpng3-static-devel-1.2.5-10.7.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/libpng-1.2.5-10.7.C30mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/lib64png3-1.2.5-10.7.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/lib64png3-devel-1.2.5-10.7.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/lib64png3-static-devel-1.2.5-10.7.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/libpng-1.2.5-10.7.C30mdk.src.rpm

Multi Network Firewall 2.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/i586/libpng3-1.2.5-10.7.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/i586/libpng3-devel-1.2.5-10.7.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/i586/libpng3-static-devel-1.2.5-10.7.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/SRPMS/libpng-1.2.5-10.7.M20mdk.src.rpm

Mandriva Linux 2006
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/libpng3-1.2.8-1.2.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/libpng3-devel-1.2.8-1.2.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/libpng3-static-devel-1.2.8-1.2.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/libpng-1.2.8-1.2.20060mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/lib64png3-1.2.8-1.2.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/lib64png3-devel-1.2.8-1.2.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/lib64png3-static-devel-1.2.8-1.2.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/libpng-1.2.8-1.2.20060mdk.src.rpm

Mandriva Linux 2007
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libpng3-1.2.12-2.2mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libpng3-devel-1.2.12-2.2mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libpng3-static-devel-1.2.12-2.2mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/libpng-1.2.12-2.2mdv2007.0.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64png3-1.2.12-2.2mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64png3-devel-1.2.12-2.2mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64png3-static-devel-1.2.12-2.2mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/libpng-1.2.12-2.2mdv2007.0.src.rpm

Corporate Server 4.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/libpng3-1.2.8-1.2.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/libpng3-devel-1.2.8-1.2.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/libpng3-static-devel-1.2.8-1.2.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/libpng-1.2.8-1.2.20060mlcs4.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/lib64png3-1.2.8-1.2.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/lib64png3-devel-1.2.8-1.2.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/lib64png3-static-devel-1.2.8-1.2.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/libpng-1.2.8-1.2.20060mlcs4.src.rpm

Mandriva (syslinux MDKSA-2006:210)

Mandriva Linux 2007
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/pxelinux-3.20-3.1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/syslinux-3.20-3.1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/syslinux-devel-3.20-3.1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/syslinux-3.20-3.1mdv2007.0.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/pxelinux-3.20-3.1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/syslinux-3.20-3.1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/syslinux-devel-3.20-3.1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/syslinux-3.20-3.1mdv2007.0.src.rpm

Mandriva (pxelinux MDKSA-2006:211)

Mandriva Linux 2006
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/pxelinux-3.11-1.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/pxelinux-devel-3.11-1.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/pxelinux-3.11-1.1.20060mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/pxelinux-3.11-1.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/pxelinux-devel-3.11-1.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/pxelinux-3.11-1.1.20060mdk.src.rpm

Corporate Server 4.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/pxelinux-3.11-1.1.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/pxelinux-devel-3.11-1.1.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/pxelinux-3.11-1.1.20060mlcs4.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/pxelinux-3.11-1.1.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/pxelinux-devel-3.11-1.1.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/pxelinux-3.11-1.1.20060mlcs4.src.rpm

Mandriva (doxygen MDKSA-2006:212)

Corporate Server 3.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/doxygen-1.3.5-2.1.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/doxygen-1.3.5-2.1.C30mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/doxygen-1.3.5-2.1.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/doxygen-1.3.5-2.1.C30mdk.src.rpm

Mandriva Linux 2006
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/doxygen-1.4.4-1.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/doxygen-1.4.4-1.1.20060mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/doxygen-1.4.4-1.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/doxygen-1.4.4-1.1.20060mdk.src.rpm

Mandriva Linux 2007
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/doxygen-1.4.7-1.1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/doxygen-1.4.7-1.1mdv2007.0.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/doxygen-1.4.7-1.1mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/doxygen-1.4.7-1.1mdv2007.0.src.rpm

Corporate Server 4.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/doxygen-1.4.4-1.1.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/doxygen-1.4.4-1.1.20060mlcs4.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/doxygen-1.4.4-1.1.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/doxygen-1.4.4-1.1.20060mlcs4.src.rpm

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

Red Hat (RHSA-2007:0356-2)
RHEL Desktop Workstation (v. 5 client)
Red Hat Desktop (v. 3)
Red Hat Desktop (v. 4)
Red Hat Enterprise Linux (v. 5 server)
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 Desktop (v. 5 client)
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/

SGI
Advanced Linux Environment 3 / RPM / Patch 10405
ftp://oss.sgi.com/projects/sgi_propack/download/3/updates/RPMS
Advanced Linux Environment 3 / SRPM / Patch 10405
ftp://oss.sgi.com/projects/sgi_propack/download/3/updates/SRPMS

Identificadores estándar

Propiedad Valor
CVE CVE-2006-5793
BID

Recursos adicionales

Mandriva Security Advisory (MDKSA-2006:209)
http://www.mandriva.com/security/advisories?name=MDKSA-2006:209

Mandriva Security Advisory (MDKSA-2006:210)
http://www.mandriva.com/security/advisories?name=MDKSA-2006:210

Mandriva Security Advisory (MDKSA-2006:211)
http://www.mandriva.com/security/advisories?name=MDKSA-2006:211

Mandriva Security Advisory (MDKSA-2006:212)
http://www.mandriva.com/security/advisories?name=MDKSA-2006:212

SUSE Security Advisory (SUSE-SR:2006:028)
http://www.novell.com/linux/security/advisories/2006_28_sr.html

Red Hat Security Advisory (RHSA-2007:0356-2)
https://rhn.redhat.com/errata/RHSA-2007-0356.html

SGI Security Advisory (20070502-01-P)
ftp://patches.sgi.com/support/free/security/advisories/20070502-01-P.asc

Histórico de versiones

Versión Comentario Fecha
1.0 Aviso emitido 2006-11-17
1.1 Aviso emitido por Suse (SUSE-SR:2006:028) 2006-12-14
1.2 Aviso emitido por Red Hat (RHSA-2007:0356-2) 2007-05-18
1.3 Aviso emitido por SGI (20070502-01-P) 2007-05-29

Miembros de

Ministerio de Defensa
CNI
CCN
CCN-CERT