Vulnerability Bulletins |
Denegación de servicio en Avahi |
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Vulnerability classification |
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| Property | Value |
| Confidence level | Oficial |
| Impact | Denegación de Servicio |
| Dificulty | Experto |
| Required attacker level | Acceso remoto sin cuenta a un servicio exotico |
System information |
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| Property | Value |
| Affected manufacturer | GNU/Linux |
| Affected software | Avahi < 0.6.16 |
Description |
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Se ha descubierto una vulnerabilidad en Avahi en versiones anteriores a la 0.6.16. La vulnerabilidad reside en un error en la función "consume_labels()" en el archivo avahi-core/dns.c. Un atacante remoto podría causar una denegación de servicio (un bucle infinito) mediante una respuesta DNS comprimida que tenga una etiqueta que se apunte a si mismo. |
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Solution |
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Actualización de software Mandriva Mandriva Linux 2007 X86 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/avahi-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/avahi-dnsconfd-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/avahi-python-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/avahi-sharp-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/avahi-x11-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libavahi-client3-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libavahi-client3-devel-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libavahi-common3-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libavahi-common3-devel-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libavahi-compat-howl0-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libavahi-compat-howl0-devel-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libavahi-compat-libdns_sd1-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libavahi-compat-libdns_sd1-devel-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libavahi-core4-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libavahi-core4-devel-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libavahi-glib1-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libavahi-glib1-devel-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libavahi-qt3_1-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libavahi-qt3_1-devel-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libavahi-qt4_1-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libavahi-qt4_1-devel-0.6.13-4.2mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/avahi-0.6.13-4.2mdv2007.0.src.rpm X86_64 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/avahi-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/avahi-dnsconfd-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/avahi-python-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/avahi-sharp-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/avahi-x11-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64avahi-client3-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64avahi-client3-devel-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64avahi-common3-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64avahi-common3-devel-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64avahi-compat-howl0-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64avahi-compat-howl0-devel-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64avahi-compat-libdns_sd1-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64avahi-compat-libdns_sd1-devel-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64avahi-core4-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64avahi-core4-devel-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64avahi-glib1-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64avahi-glib1-devel-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64avahi-qt3_1-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64avahi-qt3_1-devel-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64avahi-qt4_1-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64avahi-qt4_1-devel-0.6.13-4.2mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/avahi-0.6.13-4.2mdv2007.0.src.rpm Suse Linux Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux |
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Standar resources |
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| Property | Value |
| CVE | CVE-2006-6870 |
| BID | |
Other resources |
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Mandriva Security Advisory (MDKSA-2007:003) http://www.mandriva.com/security/advisories?name=MDKSA-2007:003 SUSE Security Summary Report (SUSE-SR:2007:007) http://www.novell.com/linux/security/advisories/2007_007_suse.html |
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Version history |
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| Version | Comments | Date |
| 1.0 | Aviso emitido | 2007-01-09 |
| 1.1 | Aviso emitido por Suse (SUSE-SR:2007:007) | 2007-04-27 |