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Vulnerability Bulletins


Desbordamiento de búfer en el comando zip

Vulnerability classification

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

System information

Property Value
Affected manufacturer GNU/Linux
Affected software Info-Zip 2.3

Description

Se ha descubierto una vulnerabilidad de desbordamiento de búfer en el comando "zip" utilizado por multitud de sistemas Linux y algunos UNIX. Esta vulnerabilidad puede ser aprovechada para ejecutar código con los privilegios del usuario que ejecute el comando "zip".

La vulnerabilidad consiste en que la aplicación no comprueba el tamaño de la ruta resultante al comprimir directorios de forma recursiva. Un usuario malicioso podría provocar situaciones en que se intenta comprimir con "zip" ficheros con nombres muy largos, provocándose un desbordamiento de búfer que, en teoría, podría llegar a aprovecharse para ejecutar código arbitrario.

Solution



Actualización de Software

Mandrake Linux
MandrakeLinux 9.2
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/RPMS/zip-2.3-11.1.92mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/SRPMS/zip-2.3-11.1.92mdk.src.rpm
Mandrakelinux 9.2/AMD64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/RPMS/zip-2.3-11.1.92mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/SRPMS/zip-2.3-11.1.92mdk.src.rpm
Mandrakelinux 10.0
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/zip-2.3-11.1.100mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/SRPMS/zip-2.3-11.1.100mdk.src.rpm
Mandrakelinux 10.0/AMD64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/RPMS/zip-2.3-11.1.100mdk.amd64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/10.0/SRPMS/zip-2.3-11.1.100mdk.src.rpm
Mandrakelinux 10.1
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/zip-2.3-11.1.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/SRPMS/zip-2.3-11.1.101mdk.src.rpm
Mandrakelinux 10.1/X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/zip-2.3-11.1.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/SRPMS/zip-2.3-11.1.101mdk.src.rpm
Corporate Server 2.1
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/RPMS/zip-2.3-9.1.C21mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/SRPMS/zip-2.3-9.1.C21mdk.src.rpm
Corporate Server 2.1/X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/RPMS/zip-2.3-9.1.C21mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/SRPMS/zip-2.3-9.1.C21mdk.src.rpm

SUSE Linux
Descargue los parches necesarios mediante YAST o desde el servidor FTP oficial de SUSE

Red Hat Linux

Red Hat Desktop (v. 3) & SRPMS:
zip-2.3-16.1.src.rpm

Red Hat Desktop (v. 3) & IA-32:
zip-2.3-16.1.i386.rpm

Red Hat Desktop (v. 3) & x86_64:
zip-2.3-16.1.x86_64.rpm

Red Hat Enterprise Linux AS (v. 2.1) & SRPMS:
zip-2.3-10.1.src.rpm

Red Hat Enterprise Linux AS (v. 2.1) & IA-32:
zip-2.3-10.1.i386.rpm

Red Hat Enterprise Linux AS (v. 2.1) & IA-64:
zip-2.3-10.1.ia64.rpm

Red Hat Enterprise Linux AS (v. 3) & SRPMS:
zip-2.3-16.1.src.rpm

Red Hat Enterprise Linux AS (v. 3) & IA-32:
zip-2.3-16.1.i386.rpm

Red Hat Enterprise Linux AS (v. 3) & IA-64:
zip-2.3-16.1.ia64.rpm

Red Hat Enterprise Linux AS (v. 3) & PPC:
zip-2.3-16.1.ppc.rpm

Red Hat Enterprise Linux AS (v. 3) & s390:
zip-2.3-16.1.s390.rpm

Red Hat Enterprise Linux AS (v. 3) & s390x:
zip-2.3-16.1.s390x.rpm

Red Hat Enterprise Linux AS (v. 3) & x86_64:
zip-2.3-16.1.x86_64.rpm

Red Hat Enterprise Linux ES (v. 2.1) & SRPMS:
zip-2.3-10.1.src.rpm

Red Hat Enterprise Linux ES (v. 2.1) & IA-32:
zip-2.3-10.1.i386.rpm

Red Hat Enterprise Linux ES (v. 3) & SRPMS:
zip-2.3-16.1.src.rpm

Red Hat Enterprise Linux ES (v. 3) & IA-32:
zip-2.3-16.1.i386.rpm

Red Hat Enterprise Linux ES (v. 3) & IA-64:
zip-2.3-16.1.ia64.rpm

Red Hat Enterprise Linux ES (v. 3) & x86_64:
zip-2.3-16.1.x86_64.rpm

Red Hat Enterprise Linux WS (v. 2.1) & SRPMS:
zip-2.3-10.1.src.rpm

Red Hat Enterprise Linux WS (v. 2.1) & IA-32:
zip-2.3-10.1.i386.rpm

Red Hat Enterprise Linux WS (v. 3) & SRPMS:
zip-2.3-16.1.src.rpm

Red Hat Enterprise Linux WS (v. 3) & IA-32:
zip-2.3-16.1.i386.rpm

Red Hat Enterprise Linux WS (v. 3) & IA-64:
zip-2.3-16.1.ia64.rpm

Red Hat Enterprise Linux WS (v. 3) & x86_64:
zip-2.3-16.1.x86_64.rpm

Red Hat Linux Advanced Workstation 2.1 for the Itanium Processor & SRPMS:
zip-2.3-10.1.src.rpm

Red Hat Linux Advanced Workstation 2.1 for the Itanium Processor & IA-64:
zip-2.3-10.1.ia64.rpm
https://rhn.redhat.com/

Debian Linux

Debian Linux 3.0
Source archives:
http://security.debian.org/pool/updates/main/z/zip/zip_2.30-5woody2.dsc
http://security.debian.org/pool/updates/main/z/zip/zip_2.30-5woody2.diff.gz
http://security.debian.org/pool/updates/main/z/zip/zip_2.30.orig.tar.gz
Alpha architecture:
http://security.debian.org/pool/updates/main/z/zip/zip_2.30-5woody2_alpha.deb
ARM architecture:
http://security.debian.org/pool/updates/main/z/zip/zip_2.30-5woody2_arm.deb
Intel IA-32 architecture:
http://security.debian.org/pool/updates/main/z/zip/zip_2.30-5woody2_i386.deb
Intel IA-64 architecture:
http://security.debian.org/pool/updates/main/z/zip/zip_2.30-5woody2_ia64.deb
HP Precision architecture:
http://security.debian.org/pool/updates/main/z/zip/zip_2.30-5woody2_hppa.deb
Motorola 680x0 architecture:
http://security.debian.org/pool/updates/main/z/zip/zip_2.30-5woody2_m68k.deb
Big endian MIPS architecture:
http://security.debian.org/pool/updates/main/z/zip/zip_2.30-5woody2_mips.deb
Little endian MIPS architecture:
http://security.debian.org/pool/updates/main/z/zip/zip_2.30-5woody2_mipsel.deb
PowerPC architecture:
http://security.debian.org/pool/updates/main/z/zip/zip_2.30-5woody2_powerpc.deb
IBM S/390 architecture:
http://security.debian.org/pool/updates/main/z/zip/zip_2.30-5woody2_s390.deb
Sun Sparc architecture:
http://security.debian.org/pool/updates/main/z/zip/zip_2.30-5woody2_sparc.deb

Standar resources

Property Value
CVE CAN-2004-1010
BID

Other resources

Mandrakesoft Security Advisories (MDKSA-2004:141)
http://www.mandrakesoft.com/security/advisories?name=MDKSA-2004:141

SUSE Security Summary Report SUSE-SR:2004:003
http://www.suse.de/de/security/2004_03_sr.html

Red Hat Linux Security Advisory (RHSA-2004:634-08)
https://rhn.redhat.com/errata/RHSA-2004-634.html

Debian Security Advisory DSA 624-1
http://www.debian.org/security/2005/dsa-624

Version history

Version Comments Date
1.0 Aviso emitido 2004-11-26
1.1 Aviso emitido por SUSE Linux (SUSE-SR:2004:003) 2004-12-10
1.2 Aviso emitido por Red Hat Linux (RHSA-2004:634-08) 2004-12-17
1.3 Aviso emitido por Debian Linux (DSA 624-1) 2005-01-07
Ministerio de Defensa
CNI
CCN
CCN-CERT