int(3823)

Vulnerability Bulletins


Ejecución de código en CUPS

Vulnerability classification

Property Value
Confidence level Oficial
Impact Obtener acceso
Dificulty Experto
Required attacker level Acceso remoto sin cuenta a un servicio estandar

System information

Property Value
Affected manufacturer GNU/Linux
Affected software CUPS 1.3.5

Description

Se ha descubierto una vulnerabilidad de tipo doble liberación de memoria en CUPS 1.3.5. La vulnerabilidad reside en un error en la manera de añadir y eliminar impresoras remotas compartidas mediante IPP. El error se encuentra en la función "process_browse_data()".

Un atacante remoto podría causar una denegación de servicio y posiblemente ejecutar código arbitrario mediante el envío de paquetes IPP especialmente diseñados al puerto cupsd (631/udp).

Solution



Actualización de software

Red Hat (RHSA-2008:0157-5)
RHEL Desktop Workstation (v. 5 cliente)
Red Hat Enterprise Linux (v. 5 servidor)
Red Hat Enterprise Linux Desktop (v. 5 cliente)
https://rhn.redhat.com/

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

Debian (DSA-1530-1)

Debian Linux 4.0
Source
http://security.debian.org/pool/updates/main/c/cupsys/cupsys_1.2.7-4etch3.diff.gz
http://security.debian.org/pool/updates/main/c/cupsys/cupsys_1.2.7-4etch3.dsc
http://security.debian.org/pool/updates/main/c/cupsys/cupsys_1.2.7.orig.tar.gz
Arquitectura independiente
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-common_1.2.7-4etch3_all.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsys2-gnutls10_1.2.7-4etch3_all.deb
alpha (DEC Alpha)
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-dbg_1.2.7-4etch3_alpha.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-bsd_1.2.7-4etch3_alpha.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsys2_1.2.7-4etch3_alpha.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-client_1.2.7-4etch3_alpha.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsimage2_1.2.7-4etch3_alpha.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys_1.2.7-4etch3_alpha.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsys2-dev_1.2.7-4etch3_alpha.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsimage2-dev_1.2.7-4etch3_alpha.deb
amd64 (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/c/cupsys/libcupsimage2-dev_1.2.7-4etch3_amd64.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys_1.2.7-4etch3_amd64.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsimage2_1.2.7-4etch3_amd64.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsys2-dev_1.2.7-4etch3_amd64.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsys2_1.2.7-4etch3_amd64.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-bsd_1.2.7-4etch3_amd64.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-dbg_1.2.7-4etch3_amd64.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-client_1.2.7-4etch3_amd64.deb
i386 (Intel ia32)
http://security.debian.org/pool/updates/main/c/cupsys/cupsys_1.2.7-4etch3_i386.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-bsd_1.2.7-4etch3_i386.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-client_1.2.7-4etch3_i386.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsimage2_1.2.7-4etch3_i386.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-dbg_1.2.7-4etch3_i386.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsimage2-dev_1.2.7-4etch3_i386.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsys2-dev_1.2.7-4etch3_i386.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsys2_1.2.7-4etch3_i386.deb
ia64 (Intel ia64)
http://security.debian.org/pool/updates/main/c/cupsys/cupsys_1.2.7-4etch3_ia64.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsys2_1.2.7-4etch3_ia64.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-dbg_1.2.7-4etch3_ia64.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsimage2-dev_1.2.7-4etch3_ia64.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsimage2_1.2.7-4etch3_ia64.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-client_1.2.7-4etch3_ia64.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsys2-dev_1.2.7-4etch3_ia64.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-bsd_1.2.7-4etch3_ia64.deb
mips (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/c/cupsys/libcupsimage2_1.2.7-4etch3_mips.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-dbg_1.2.7-4etch3_mips.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys_1.2.7-4etch3_mips.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsimage2-dev_1.2.7-4etch3_mips.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsys2_1.2.7-4etch3_mips.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-client_1.2.7-4etch3_mips.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsys2-dev_1.2.7-4etch3_mips.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-bsd_1.2.7-4etch3_mips.deb
mipsel (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/c/cupsys/libcupsimage2_1.2.7-4etch3_mipsel.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsys2_1.2.7-4etch3_mipsel.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-bsd_1.2.7-4etch3_mipsel.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys_1.2.7-4etch3_mipsel.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-dbg_1.2.7-4etch3_mipsel.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsimage2-dev_1.2.7-4etch3_mipsel.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-client_1.2.7-4etch3_mipsel.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsys2-dev_1.2.7-4etch3_mipsel.deb
powerpc (PowerPC)
http://security.debian.org/pool/updates/main/c/cupsys/libcupsys2-dev_1.2.7-4etch3_powerpc.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsys2_1.2.7-4etch3_powerpc.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsimage2_1.2.7-4etch3_powerpc.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-bsd_1.2.7-4etch3_powerpc.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-client_1.2.7-4etch3_powerpc.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsimage2-dev_1.2.7-4etch3_powerpc.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-dbg_1.2.7-4etch3_powerpc.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys_1.2.7-4etch3_powerpc.deb
s390 (IBM S/390)
http://security.debian.org/pool/updates/main/c/cupsys/libcupsys2_1.2.7-4etch3_s390.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-bsd_1.2.7-4etch3_s390.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-dbg_1.2.7-4etch3_s390.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsimage2_1.2.7-4etch3_s390.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsimage2-dev_1.2.7-4etch3_s390.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-client_1.2.7-4etch3_s390.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsys2-dev_1.2.7-4etch3_s390.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys_1.2.7-4etch3_s390.deb
sparc (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-client_1.2.7-4etch3_sparc.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsimage2-dev_1.2.7-4etch3_sparc.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsimage2_1.2.7-4etch3_sparc.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsys2_1.2.7-4etch3_sparc.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-bsd_1.2.7-4etch3_sparc.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys-dbg_1.2.7-4etch3_sparc.deb
http://security.debian.org/pool/updates/main/c/cupsys/libcupsys2-dev_1.2.7-4etch3_sparc.deb
http://security.debian.org/pool/updates/main/c/cupsys/cupsys_1.2.7-4etch3_sparc.deb

Standar resources

Property Value
CVE CVE-2008-0882
BID

Other resources

CUPS - STR #2656
http://www.cups.org/str.php?L2656

Red Hat Security Advisory (RHSA-2008:0157-5)
http://rhn.redhat.com/errata/RHSA-2008-0157.html

SUSE Security Advisory (SUSE-SA:2008:012)
http://www.novell.com/linux/security/advisories/2008_12_cups.html

Debian Security Advisory (DSA-1530-1)
http://lists.debian.org/debian-security-announce/2008/msg00097.html

Version history

Version Comments Date
1.0 Aviso emitido 2008-02-25
1.1 Aviso emitido por Suse (SUSE-SA:2008:012) 2008-03-07
1.2 Aviso emitido por Debian (DSA-1530-1) 2008-03-26
Ministerio de Defensa
CNI
CCN
CCN-CERT