Boletines de Vulnerabilidades |
Directorio transversal en rsync |
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Clasificación de la vulnerabilidad |
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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 |
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Propiedad | Valor |
Fabricante afectado | GNU/Linux |
Software afectado | rsync <2.6.1 |
Descripción |
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Se ha descubierto una vulnerabilidad de directorio transversal en las versiones anteriores a la 2.6.1 del demonio rsync, utilizado para transferencia remota de archivos. La explotación de esta vulnerabilidad podría permitir a un atacante remoto escribir archivos fuera del árbol de directorios reservado en un principio para tal efecto. Para poder explotar esta vulnerabilidad el demonio debe correr en modo lectura/escritura y no debe estar corriendo en un entorno 'chroot'. |
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Solución |
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Si lo desea, aplique los mecanismos de actualización propios de su distribución, o bien baje las fuentes del software y compílelo usted mismo. Actualización de software rsync rsync 2.6.1 http://samba.anu.edu.au/rsync/download.html Debian Linux Debian Linux 3.0 Source http://security.debian.org/pool/updates/main/r/rsync/rsync_2.5.5-0.5.dsc http://security.debian.org/pool/updates/main/r/rsync/rsync_2.5.5-0.5.diff.gz http://security.debian.org/pool/updates/main/r/rsync/rsync_2.5.5.orig.tar.gz Alpha http://security.debian.org/pool/updates/main/r/rsync/rsync_2.5.5-0.5_alpha.deb ARM http://security.debian.org/pool/updates/main/r/rsync/rsync_2.5.5-0.5_arm.deb Intel IA-32 http://security.debian.org/pool/updates/main/r/rsync/rsync_2.5.5-0.5_i386.deb Intel IA-64 http://security.debian.org/pool/updates/main/r/rsync/rsync_2.5.5-0.5_ia64.deb HP Precision http://security.debian.org/pool/updates/main/r/rsync/rsync_2.5.5-0.5_hppa.deb Motorola 680x0 http://security.debian.org/pool/updates/main/r/rsync/rsync_2.5.5-0.5_m68k.deb Big endian MIPS http://security.debian.org/pool/updates/main/r/rsync/rsync_2.5.5-0.5_mips.deb Little endian MIPS http://security.debian.org/pool/updates/main/r/rsync/rsync_2.5.5-0.5_mipsel.deb PowerPC http://security.debian.org/pool/updates/main/r/rsync/rsync_2.5.5-0.5_powerpc.deb IBM S/390 http://security.debian.org/pool/updates/main/r/rsync/rsync_2.5.5-0.5_s390.deb Sun Sparc http://security.debian.org/pool/updates/main/r/rsync/rsync_2.5.5-0.5_sparc.deb Mandrake Linux Mandrake Linux 9.1 i386 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.1/RPMS/rsync-2.5.7-0.2.91mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.1/SRPMS/rsync-2.5.7-0.2.91mdk.src.rpm PPC ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/ppc/9.1/RPMS/rsync-2.5.7-0.2.91mdk.ppc.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/ppc/9.1/SRPMS/rsync-2.5.7-0.2.91mdk.src.rpm Mandrake Linux 9.2 i386 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/RPMS/rsync-2.5.7-0.2.92mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/9.2/SRPMS/rsync-2.5.7-0.2.92mdk.src.rpm AMD64 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/RPMS/rsync-2.5.7-0.2.92mdk.amd64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/amd64/9.2/SRPMS/rsync-2.5.7-0.2.92mdk.src.rpm Mandrake Multi Network Firewall 8.2 i386 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf8.2/RPMS/rsync-2.5.4-2.2.M82mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf8.2/SRPMS/rsync-2.5.4-2.2.M82mdk.src.rpm Mandrake Corporate Server 2.1 i386 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/RPMS/rsync-2.5.5-5.2.C21mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/2.1/SRPMS/rsync-2.5.5-5.2.C21mdk.src.rpm x86_64 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/RPMS/rsync-2.5.5-5.2.C21mdk.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/2.1/SRPMS/rsync-2.5.5-5.2.C21mdk.src.rpm Mandrakelinux 10.0 i386 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/RPMS/rsync-2.6.0-1.1.100mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.0/SRPMS/rsync-2.6.0-1.1.100mdk.src.rpm Red Hat Red Hat Desktop (v. 3) AMD64 rsync-2.5.7-4.3E.x86_64.rpm SRPMS rsync-2.5.7-4.3E.src.rpm i386 rsync-2.5.7-4.3E.i386.rpm https://rhn.redhat.com/ Red Hat Enterprise Linux AS (v. 2.1) SRPMS rsync-2.5.7-3.21AS.src.rpm i386 rsync-2.5.7-3.21AS.i386.rpm ia64 rsync-2.5.7-3.21AS.ia64.rpm https://rhn.redhat.com/ Red Hat Enterprise Linux AS (v. 3) AMD64 rsync-2.5.7-4.3E.x86_64.rpm SRPMS rsync-2.5.7-4.3E.src.rpm i386 rsync-2.5.7-4.3E.i386.rpm ia64 rsync-2.5.7-4.3E.ia64.rpm ppc rsync-2.5.7-4.3E.ppc.rpm ppc64 rsync-2.5.7-4.3E.ppc64.rpm s390 rsync-2.5.7-4.3E.s390.rpm s390x rsync-2.5.7-4.3E.s390x.rpm https://rhn.redhat.com/ Red Hat Enterprise Linux ES (v. 2.1) SRPMS rsync-2.5.7-3.21AS.src.rpm i386 rsync-2.5.7-3.21AS.i386.rpm https://rhn.redhat.com/ Red Hat Enterprise Linux ES (v. 3) AMD64 rsync-2.5.7-4.3E.x86_64.rpm SRPMS rsync-2.5.7-4.3E.src.rpm i386 rsync-2.5.7-4.3E.i386.rpm ia64 rsync-2.5.7-4.3E.ia64.rpm https://rhn.redhat.com/ Red Hat Enterprise Linux WS (v. 2.1) SRPMS rsync-2.5.7-3.21AS.src.rpm i386 rsync-2.5.7-3.21AS.i386.rpm https://rhn.redhat.com/ Red Hat Enterprise Linux WS (v. 3) AMD64 rsync-2.5.7-4.3E.x86_64.rpm SRPMS rsync-2.5.7-4.3E.src.rpm i386 rsync-2.5.7-4.3E.i386.rpm ia64 rsync-2.5.7-4.3E.ia64.rpm https://rhn.redhat.com/ Red Hat Linux Advanced Workstation 2.1 Itanium Processor SRPMS rsync-2.5.7-3.21AS.src.rpm ia64 rsync-2.5.7-3.21AS.ia64.rpm https://rhn.redhat.com/ Apple Mac OS X 10.2.8 http://www.apple.com/support/downloads//securityupdate_2004-09-07_(10_2_8_Client).html Mac OS X 10.3.4 http://www.apple.com/support/downloads//securityupdate_2004-09-07(10_3_4_Client).html Mac OS X 10.3.5 http://www.apple.com/support/downloads//securityupdate_2004-09-07_(10_3_5_Client).html Mac OS X Server 10.2.8 http://www.apple.com/support/downloads//securityupdate_2004-09-07_(10_2_8_Server).html Mac OS X Server 10.3.4 http://www.apple.com/support/downloads//securityupdate_2004-09-07_(10_3_4_Server).html Mac OS X Server 10.3.5 http://www.apple.com/support/downloads//securityupdate_2004-09-07_(10_3_5_Server).html |
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Identificadores estándar |
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Propiedad | Valor |
CVE | CAN-2004-0426 |
BID | |
Recursos adicionales |
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rsync April 2004 Security Advisory http://samba.anu.edu.au/rsync/#security_apr04 Debian Security Advisory DSA 499-1 http://lists.debian.org/debian-security-announce/debian-security-announce-2004/msg00099.html Debian Security Advisory DSA 499-2 http://lists.debian.org/debian-security-announce/debian-security-announce-2004/msg00113.html Mandrake Security Advisory MDKSA-2004:042 http://www.mandrakesecure.net/en/advisories/advisory.php?name=MDKSA-2004:042 Red Hat Security Advisory RHSA-2004:192-06 https://rhn.redhat.com/errata/RHSA-2004-192.html Apple Security Update 2004-09-07 http://docs.info.apple.com/article.html?artnum=61798 |
Histórico de versiones |
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Versión | Comentario | Fecha |
1.0 | Aviso emitido | 2004-05-03 |
1.1 | Aviso emitido por Mandrake (MDKSA-2004:042) | 2004-05-11 |
1.2 | Aviso emitido por Red Hat (RHSA-2004:192-06) | 2004-05-21 |
1.3 | Aviso actualizado por Debian (DSA 499-2) | 2004-06-03 |
1.4 | Aviso emitido por Apple (2004-09-07) | 2004-09-08 |