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Boletines de Vulnerabilidades


Ejecución de código arbitrario en PeerCast

Clasificación de la vulnerabilidad

Propiedad Valor
Nivel de Confianza Oficial
Impacto Obtener acceso
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 PeerCast 0.1218
gnome-peercast

Descripción

Se ha encontrado una vulnerabilidad de tipo desbordamiento de pila en PeerCast 0.1218 y gnome-peercast. La vulnerabilidad reside en un error en la comprobación de los límites en la función "HTTP::getAuthUserPass()" del fichero "core/common/http.cpp".

Un atacante remoto podría causar una denegación de servicio (crash) o ejecutar código arbitrario mediante una cadena de autenticación Basic con un nombre de usuario o contraseña largos.

Solución



Actualización de software

Debian (DSA-1582-1)

Debian Linux 4.0
Source
http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch1.dsc
http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314.orig.tar.gz
http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch1.diff.gz
Arquitectura independiente
http://security.debian.org/pool/updates/main/p/peercast/peercast-handlers_0.1217.toots.20060314-1etch1_all.deb
alpha (DEC Alpha)
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch1_alpha.deb
http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch1_alpha.deb
http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch1_alpha.deb
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch1_alpha.deb
amd64 (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch1_amd64.deb
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch1_amd64.deb
http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch1_amd64.deb
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch1_amd64.deb
hppa (HP PA RISC)
http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch1_hppa.deb
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch1_hppa.deb
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch1_hppa.deb
http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch1_hppa.deb
i386 (Intel ia32)
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch1_i386.deb
http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch1_i386.deb
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch1_i386.deb
http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch1_i386.deb
ia64 (Intel ia64)
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch1_ia64.deb
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch1_ia64.deb
http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch1_ia64.deb
http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch1_ia64.deb
mips (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch1_mips.deb
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch1_mips.deb
http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch1_mips.deb
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch1_mips.deb
mipsel (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch1_mipsel.deb
http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch1_mipsel.deb
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch1_mipsel.deb
http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch1_mipsel.deb
powerpc (PowerPC)
http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch1_powerpc.deb
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch1_powerpc.deb
http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch1_powerpc.deb
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch1_powerpc.deb
s390 (IBM S/390)
http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch1_s390.deb
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch1_s390.deb
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch1_s390.deb
http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch1_s390.deb
sparc (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/p/peercast/peercast-servent_0.1217.toots.20060314-1etch1_sparc.deb
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0_0.1217.toots.20060314-1etch1_sparc.deb
http://security.debian.org/pool/updates/main/p/peercast/libpeercast0-dev_0.1217.toots.20060314-1etch1_sparc.deb
http://security.debian.org/pool/updates/main/p/peercast/peercast_0.1217.toots.20060314-1etch1_sparc.deb

Debian (DSA-1583-1)

Debian Linux 4.0
Source
http://security.debian.org/pool/updates/main/g/gnome-peercast/gnome-peercast_0.5.4-1.1etch0.dsc
http://security.debian.org/pool/updates/main/g/gnome-peercast/gnome-peercast_0.5.4-1.1etch0.diff.gz
http://security.debian.org/pool/updates/main/g/gnome-peercast/gnome-peercast_0.5.4.orig.tar.gz
alpha (DEC Alpha)
http://security.debian.org/pool/updates/main/g/gnome-peercast/gnome-peercast_0.5.4-1.1etch0_alpha.deb
amd64 (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/g/gnome-peercast/gnome-peercast_0.5.4-1.1etch0_amd64.deb
hppa (HP PA RISC)
http://security.debian.org/pool/updates/main/g/gnome-peercast/gnome-peercast_0.5.4-1.1etch0_hppa.deb
i386 (Intel ia32)
http://security.debian.org/pool/updates/main/g/gnome-peercast/gnome-peercast_0.5.4-1.1etch0_i386.deb
ia64 (Intel ia64)
http://security.debian.org/pool/updates/main/g/gnome-peercast/gnome-peercast_0.5.4-1.1etch0_ia64.deb
mips (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/g/gnome-peercast/gnome-peercast_0.5.4-1.1etch0_mips.deb
mipsel (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/g/gnome-peercast/gnome-peercast_0.5.4-1.1etch0_mipsel.deb
powerpc (PowerPC)
http://security.debian.org/pool/updates/main/g/gnome-peercast/gnome-peercast_0.5.4-1.1etch0_powerpc.deb
s390 (IBM S/390)
http://security.debian.org/pool/updates/main/g/gnome-peercast/gnome-peercast_0.5.4-1.1etch0_s390.deb
sparc (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/g/gnome-peercast/gnome-peercast_0.5.4-1.1etch0_sparc.deb

Identificadores estándar

Propiedad Valor
CVE CVE-2008-2040
BID NULL

Recursos adicionales

Debian Security Advisory (DSA-1582-1)
http://lists.debian.org/debian-security-announce/2008/msg00160.html

Debian Security Advisory (DSA-1583-1)
http://lists.debian.org/debian-security-announce/2008/msg00161.html

Histórico de versiones

Versión Comentario Fecha
1.0 Aviso emitido 2008-05-21
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