int(4711)

Vulnerability Bulletins


Ejecución remota de código en Ctorrent

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 Enhanced CTorrent 3.3.2

Description

Se ha descubierto una vulnerabilidad de tipo desbordamiento de búfer en CTorrent. La vulnerabilidad reside en un error en la función "btFiles::BuildFromMI" en "trunk/btfiles.cpp".

Un atacante remoto podría causar una denegación de servicio y ejecutar código arbitrario mediante un fichero torrent con un valor de ruta muy largo.

Solution



Actualización de software

Debian (DSA-1817-1)

Debian Linux 5.0
Source
http://security.debian.org/pool/updates/main/c/ctorrent/ctorrent_1.3.4-dnh3.2-1+lenny1.diff.gz
http://security.debian.org/pool/updates/main/c/ctorrent/ctorrent_1.3.4-dnh3.2-1+lenny1.dsc
http://security.debian.org/pool/updates/main/c/ctorrent/ctorrent_1.3.4-dnh3.2.orig.tar.gz
alpha (DEC Alpha)
http://security.debian.org/pool/updates/main/c/ctorrent/ctorrent_1.3.4-dnh3.2-1+lenny1_alpha.deb
amd64 (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/c/ctorrent/ctorrent_1.3.4-dnh3.2-1+lenny1_amd64.deb
arm (ARM)
http://security.debian.org/pool/updates/main/c/ctorrent/ctorrent_1.3.4-dnh3.2-1+lenny1_arm.deb
armel (ARM EABI)
http://security.debian.org/pool/updates/main/c/ctorrent/ctorrent_1.3.4-dnh3.2-1+lenny1_armel.deb
hppa (HP PA RISC)
http://security.debian.org/pool/updates/main/c/ctorrent/ctorrent_1.3.4-dnh3.2-1+lenny1_hppa.deb
i386 (Intel ia32)
http://security.debian.org/pool/updates/main/c/ctorrent/ctorrent_1.3.4-dnh3.2-1+lenny1_i386.deb
ia64 (Intel ia64)
http://security.debian.org/pool/updates/main/c/ctorrent/ctorrent_1.3.4-dnh3.2-1+lenny1_ia64.deb
mips (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/c/ctorrent/ctorrent_1.3.4-dnh3.2-1+lenny1_mips.deb
mipsel (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/c/ctorrent/ctorrent_1.3.4-dnh3.2-1+lenny1_mipsel.deb
powerpc (PowerPC)
http://security.debian.org/pool/updates/main/c/ctorrent/ctorrent_1.3.4-dnh3.2-1+lenny1_powerpc.deb
s390 (IBM S/390)
http://security.debian.org/pool/updates/main/c/ctorrent/ctorrent_1.3.4-dnh3.2-1+lenny1_s390.deb
sparc (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/c/ctorrent/ctorrent_1.3.4-dnh3.2-1+lenny1_sparc.deb

Standar resources

Property Value
CVE CVE-2009-1759
BID 34584

Other resources

Debian Security Advisory (DSA-1817-1)
http://lists.debian.org/debian-security-announce/2009/msg00129.html

Version history

Version Comments Date
1.0 Aviso emitido 2009-07-01