int(3113)

Vulnerability Bulletins


Denegación de servicio en freeRADIUS

Vulnerability classification

Property Value
Confidence level Oficial
Impact Denegación de Servicio
Dificulty Experto
Required attacker level Acceso remoto sin cuenta a un servicio exotico

System information

Property Value
Affected manufacturer GNU/Linux
Affected software freeRADIUS > 1.1.5

Description

Se ha encontrado una vulnerabilidad en freeRADIUS 1.1.5 y superior. La vulnerabilidad se debe a no tratar correctamente un gran número de conexiones de túnel EATP-TTLS con atributos Diameter mal construidos.

Un atacante remoto podría causar una denegación de servicio a través de un gran número de conexiones de túnel EATP-TTLS a través de atributos Diameter mal construidos, causando peticiones de autenticación que serán rechazadas pero no reclamadas por la estructura de datos VALUE_PAIR.

Solution



Actualización de software

Mandriva

Mandriva Linux 2007
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/freeradius-1.1.2-2.1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libfreeradius1-1.1.2-2.1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libfreeradius1-devel-1.1.2-2.1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libfreeradius1-krb5-1.1.2-2.1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libfreeradius1-ldap-1.1.2-2.1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libfreeradius1-mysql-1.1.2-2.1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libfreeradius1-postgresql-1.1.2-2.1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libfreeradius1-unixODBC-1.1.2-2.1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/freeradius-1.1.2-2.1mdv2007.0.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/freeradius-1.1.2-2.1mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64freeradius1-1.1.2-2.1mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64freeradius1-devel-1.1.2-2.1mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64freeradius1-krb5-1.1.2-2.1mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64freeradius1-ldap-1.1.2-2.1mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64freeradius1-mysql-1.1.2-2.1mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64freeradius1-postgresql-1.1.2-2.1mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64freeradius1-unixODBC-1.1.2-2.1mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/freeradius-1.1.2-2.1mdv2007.0.src.rpm

Corporate Server 4.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/freeradius-1.0.4-2.3.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/libfreeradius1-1.0.4-2.3.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/libfreeradius1-devel-1.0.4-2.3.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/libfreeradius1-krb5-1.0.4-2.3.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/libfreeradius1-ldap-1.0.4-2.3.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/libfreeradius1-mysql-1.0.4-2.3.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/libfreeradius1-postgresql-1.0.4-2.3.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/libfreeradius1-unixODBC-1.0.4-2.3.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/freeradius-1.0.4-2.3.20060mlcs4.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/freeradius-1.0.4-2.3.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/lib64freeradius1-1.0.4-2.3.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/lib64freeradius1-devel-1.0.4-2.3.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/lib64freeradius1-krb5-1.0.4-2.3.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/lib64freeradius1-ldap-1.0.4-2.3.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/lib64freeradius1-mysql-1.0.4-2.3.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/lib64freeradius1-postgresql-1.0.4-2.3.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/lib64freeradius1-unixODBC-1.0.4-2.3.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/freeradius-1.0.4-2.3.20060mlcs4.src.rpm

Mandriva Linux 2007.1
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/freeradius-1.1.2-5.1mdv2007.1.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/libfreeradius1-1.1.2-5.1mdv2007.1.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/libfreeradius1-devel-1.1.2-5.1mdv2007.1.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/libfreeradius1-krb5-1.1.2-5.1mdv2007.1.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/libfreeradius1-ldap-1.1.2-5.1mdv2007.1.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/libfreeradius1-mysql-1.1.2-5.1mdv2007.1.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/libfreeradius1-postgresql-1.1.2-5.1mdv2007.1.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/libfreeradius1-unixODBC-1.1.2-5.1mdv2007.1.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/SRPMS/freeradius-1.1.2-5.1mdv2007.1.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/freeradius-1.1.2-5.1mdv2007.1.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/lib64freeradius1-1.1.2-5.1mdv2007.1.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/lib64freeradius1-devel-1.1.2-5.1mdv2007.1.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/lib64freeradius1-krb5-1.1.2-5.1mdv2007.1.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/lib64freeradius1-ldap-1.1.2-5.1mdv2007.1.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/lib64freeradius1-mysql-1.1.2-5.1mdv2007.1.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/lib64freeradius1-postgresql-1.1.2-5.1mdv2007.1.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/lib64freeradius1-unixODBC-1.1.2-5.1mdv2007.1.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/SRPMS/freeradius-1.1.2-5.1mdv2007.1.src.rpm

Red Hat (RHSA-2007:0338-2)
RHEL Desktop Workstation (v. 5 client)
Red Hat Enterprise Linux (v. 5 server)
Red Hat Enterprise Linux AS (v. 3)
Red Hat Enterprise Linux AS (v. 4)
Red Hat Enterprise Linux ES (v. 3)
Red Hat Enterprise Linux ES (v. 4)
https://rhn.redhat.com/

Suse Linux
Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux

SGI
Advanced Linux Environment 3 / RPM / Patch 10405
ftp://oss.sgi.com/projects/sgi_propack/download/3/updates/RPMS
Advanced Linux Environment 3 / SRPM / Patch 10405
ftp://oss.sgi.com/projects/sgi_propack/download/3/updates/SRPMS

Standar resources

Property Value
CVE CVE-2007-2028
BID 23466

Other resources

Mandriva Security Advisory (MDKSA-2007:085)
http://www.mandriva.com/security/advisories?name=MDKSA-2007:085

Red Hat Security Advisory (RHSA-2007:0338-2)
https://rhn.redhat.com/errata/RHSA-2007-0338.html

SUSE Security Summary Report (SUSE-SR:2007:010)
http://www.novell.com/linux/security/advisories/2007_10_sr.html

SGI Security Advisory (20070502-01-P)
ftp://patches.sgi.com/support/free/security/advisories/20070502-01-P.asc

Version history

Version Comments Date
1.0 Aviso emitido por Mandriva (MDKSA-2007:085) 2007-04-18
1.1 Aviso emitido por Red Hat (RHSA-2007:0338-2) 2007-05-11
1.2 Aviso emitido por Suse (SUSE-SR:2007:010) 2007-05-15
1.3 Aviso emitido por SGI (20070502-01-P) 2007-05-29
Ministerio de Defensa
CNI
CCN
CCN-CERT