Vulnerability Bulletins |
Obtención de acceso en la caché de autenticación de Dovecot |
|
Vulnerability classification |
|
| Property | Value |
| Confidence level | Oficial |
| Impact | Obtener acceso |
| Dificulty | Experto |
| Required attacker level | Acceso remoto con cuenta |
System information |
|
| Property | Value |
| Affected manufacturer | GNU/Linux |
| Affected software | Dovecot < 1.0.10 |
Description |
|
|
Se ha encontrado una vulnerabilidad en Dovecot en las versiones anteriores a la 1.0.10. La vulnerabilidad reside al no mantener de forma correcta la caché “LDAP+auth” cuando se ejecuta con autenticación LDAP y bajo ciertas opciones de configuración incluyendo el uso de "%variables". Un atacante local podría logearse como un usuario distinto cuyo password es el mismo que el del atacante. |
|
Solution |
|
|
Actualización de software Debian (DSA 1457-1) Debian Linux 4.0 Source http://security.debian.org/pool/updates/main/d/dovecot/dovecot_1.0.rc15.orig.tar.gz http://security.debian.org/pool/updates/main/d/dovecot/dovecot_1.0.rc15-2etch2.diff.gz http://security.debian.org/pool/updates/main/d/dovecot/dovecot_1.0.rc15-2etch3.diff.gz http://security.debian.org/pool/updates/main/d/dovecot/dovecot_1.0.rc15-2etch3.dsc http://security.debian.org/pool/updates/main/d/dovecot/dovecot_1.0.rc15-2etch2.dsc alpha http://security.debian.org/pool/updates/main/d/dovecot/dovecot-imapd_1.0.rc15-2etch3_alpha.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-common_1.0.rc15-2etch3_alpha.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-pop3d_1.0.rc15-2etch3_alpha.deb amd64 http://security.debian.org/pool/updates/main/d/dovecot/dovecot-common_1.0.rc15-2etch2_amd64.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-imapd_1.0.rc15-2etch2_amd64.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-pop3d_1.0.rc15-2etch3_amd64.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-imapd_1.0.rc15-2etch3_amd64.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-pop3d_1.0.rc15-2etch2_amd64.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-common_1.0.rc15-2etch3_amd64.deb arm http://security.debian.org/pool/updates/main/d/dovecot/dovecot-common_1.0.rc15-2etch3_arm.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-imapd_1.0.rc15-2etch3_arm.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-pop3d_1.0.rc15-2etch3_arm.deb hppa http://security.debian.org/pool/updates/main/d/dovecot/dovecot-imapd_1.0.rc15-2etch3_hppa.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-pop3d_1.0.rc15-2etch3_hppa.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-common_1.0.rc15-2etch3_hppa.deb i386 http://security.debian.org/pool/updates/main/d/dovecot/dovecot-common_1.0.rc15-2etch3_i386.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-pop3d_1.0.rc15-2etch3_i386.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-imapd_1.0.rc15-2etch3_i386.deb ia64 http://security.debian.org/pool/updates/main/d/dovecot/dovecot-pop3d_1.0.rc15-2etch3_ia64.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-imapd_1.0.rc15-2etch3_ia64.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-common_1.0.rc15-2etch3_ia64.deb mips http://security.debian.org/pool/updates/main/d/dovecot/dovecot-imapd_1.0.rc15-2etch3_mips.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-pop3d_1.0.rc15-2etch3_mips.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-common_1.0.rc15-2etch3_mips.deb mipsel http://security.debian.org/pool/updates/main/d/dovecot/dovecot-pop3d_1.0.rc15-2etch3_mipsel.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-imapd_1.0.rc15-2etch3_mipsel.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-common_1.0.rc15-2etch3_mipsel.deb powerpc http://security.debian.org/pool/updates/main/d/dovecot/dovecot-pop3d_1.0.rc15-2etch3_powerpc.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-imapd_1.0.rc15-2etch3_powerpc.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-common_1.0.rc15-2etch3_powerpc.deb s390 http://security.debian.org/pool/updates/main/d/dovecot/dovecot-imapd_1.0.rc15-2etch3_s390.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-common_1.0.rc15-2etch3_s390.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-pop3d_1.0.rc15-2etch3_s390.deb sparc http://security.debian.org/pool/updates/main/d/dovecot/dovecot-pop3d_1.0.rc15-2etch3_sparc.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-common_1.0.rc15-2etch3_sparc.deb http://security.debian.org/pool/updates/main/d/dovecot/dovecot-imapd_1.0.rc15-2etch3_sparc.deb Red Hat (RHSA-2008:0297-6) RHEL Desktop Workstation (v. 5 cliente) Red Hat Enterprise Linux (v. 5 servidor) https://rhn.redhat.com/ Suse Linux Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux. |
|
Standar resources |
|
| Property | Value |
| CVE | CVE-2007-6598 |
| BID | 27093 |
Other resources |
|
|
Debian Security Advisory (DSA 1457-1) http://lists.debian.org/debian-security-announce/debian-security-announce-2008/msg00015.html Red Hat Security Advisory (RHSA-2008:0297-6) https://rhn.redhat.com/errata/RHSA-2008-0297.html SUSE Security Advisory (SUSE-SR:2008:020) http://www.novell.com/linux/security/advisories/2008_20_sr.html |
|
Version history |
||
| Version | Comments | Date |
| 1.0 | Aviso emitido | 2008-01-11 |
| 1.1 | Aviso emitido por Red Hat (RHSA-2008:0297-6) | 2008-05-26 |
| 1.2 | Aviso emitido por Suse (SUSE-SR:2008:020) | 2008-10-10 |