int(2186)

Vulnerability Bulletins


Denegación de servicio en GNU-TLS

Vulnerability classification

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

System information

Property Value
Affected manufacturer GNU/Linux
Affected software GNU-TLS < 1.0.2.8

Description

Se han descubierto múltiples vulnerabilidades en GNU-TLS versión anterior a 1.0.2.8. La vulnerabilidad reside en la manera que la librería "libtasn1" decodifica el subconjunto de ASN.1 "DER" al manejar certificados X.509 inválidos.

Un atacante remoto podría causar una denegación de servicio mediante un certificado X.509 especialmente diseñado. No se sabe si esta vulnerabilidad también podría permitir ejecución de código arbitrario.

Solution



Actualización de software

Red Hat
Red Hat Desktop (v. 4)
Red Hat Enterprise Linux AS (v. 4)
Red Hat Enterprise Linux ES (v. 4)
Red Hat Enterprise Linux WS (v. 4)
https://rhn.redhat.com/

Mandriva

Mandrakelinux 10.1
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/gnutls-1.0.13-1.2.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/libgnutls11-1.0.13-1.2.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/libgnutls11-devel-1.0.13-1.2.101mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/SRPMS/gnutls-1.0.13-1.2.101mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/gnutls-1.0.13-1.2.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/lib64gnutls11-1.0.13-1.2.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/lib64gnutls11-devel-1.0.13-1.2.101mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/SRPMS/gnutls-1.0.13-1.2.101mdk.src.rpm

Mandrivalinux LE2005
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/gnutls-1.0.23-2.2.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/libgnutls11-1.0.23-2.2.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/libgnutls11-devel-1.0.23-2.2.102mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/SRPMS/gnutls-1.0.23-2.2.102mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/gnutls-1.0.23-2.2.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/lib64gnutls11-1.0.23-2.2.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/lib64gnutls11-devel-1.0.23-2.2.102mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/SRPMS/gnutls-1.0.23-2.2.102mdk.src.rpm

Mandrivalinux 2006
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/gnutls-1.0.25-2.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/libgnutls11-1.0.25-2.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/libgnutls11-devel-1.0.25-2.1.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/gnutls-1.0.25-2.1.20060mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/gnutls-1.0.25-2.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/lib64gnutls11-1.0.25-2.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/lib64gnutls11-devel-1.0.25-2.1.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/SRPMS/gnutls-1.0.25-2.1.20060mdk.src.rpm

Debian (libtasn1-2)

Debian Linux 3.1
Source
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2_0.2.10-3sarge1.dsc
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2_0.2.10-3sarge1.diff.gz
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2_0.2.10.orig.tar.gz
Alpha
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2_0.2.10-3sarge1_alpha.deb
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2-dev_0.2.10-3sarge1_alpha.deb
AMD64
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2_0.2.10-3sarge1_amd64.deb
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2-dev_0.2.10-3sarge1_amd64.deb
ARM
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2_0.2.10-3sarge1_arm.deb
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2-dev_0.2.10-3sarge1_arm.deb
Intel IA-32
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2_0.2.10-3sarge1_i386.deb
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2-dev_0.2.10-3sarge1_i386.deb
Intel IA-64
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2_0.2.10-3sarge1_ia64.deb
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2-dev_0.2.10-3sarge1_ia64.deb
HP Precision
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2_0.2.10-3sarge1_hppa.deb
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2-dev_0.2.10-3sarge1_hppa.deb
Motorola 680x0
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2_0.2.10-3sarge1_m68k.deb
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2-dev_0.2.10-3sarge1_m68k.deb
Big endian MIPS
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2_0.2.10-3sarge1_mips.deb
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2-dev_0.2.10-3sarge1_mips.deb
Little endian MIPS
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2_0.2.10-3sarge1_mipsel.deb
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2-dev_0.2.10-3sarge1_mipsel.deb
PowerPC
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2_0.2.10-3sarge1_powerpc.deb
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2-dev_0.2.10-3sarge1_powerpc.deb
IBM S/390
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2_0.2.10-3sarge1_s390.deb
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2-dev_0.2.10-3sarge1_s390.deb
Sun Sparc
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2_0.2.10-3sarge1_sparc.deb
http://security.debian.org/pool/updates/main/libt/libtasn1-2/libtasn1-2-dev_0.2.10-3sarge1_sparc.deb

Debian (gnutls11)

Debian Linux 3.1
Source
http://security.debian.org/pool/updates/main/g/gnutls11/gnutls11_1.0.16-13.2.dsc
http://security.debian.org/pool/updates/main/g/gnutls11/gnutls11_1.0.16-13.2.diff.gz
http://security.debian.org/pool/updates/main/g/gnutls11/gnutls11_1.0.16.orig.tar.gz
Alpha
http://security.debian.org/pool/updates/main/g/gnutls11/gnutls-bin_1.0.16-13.2_alpha.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11_1.0.16-13.2_alpha.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dbg_1.0.16-13.2_alpha.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dev_1.0.16-13.2_alpha.deb
AMD64
http://security.debian.org/pool/updates/main/g/gnutls11/gnutls-bin_1.0.16-13.2_amd64.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11_1.0.16-13.2_amd64.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dbg_1.0.16-13.2_amd64.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dev_1.0.16-13.2_amd64.deb
ARM
http://security.debian.org/pool/updates/main/g/gnutls11/gnutls-bin_1.0.16-13.2_arm.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11_1.0.16-13.2_arm.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dbg_1.0.16-13.2_arm.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dev_1.0.16-13.2_arm.deb
Intel IA-32
http://security.debian.org/pool/updates/main/g/gnutls11/gnutls-bin_1.0.16-13.2_i386.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11_1.0.16-13.2_i386.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dbg_1.0.16-13.2_i386.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dev_1.0.16-13.2_i386.deb
Intel IA-64
http://security.debian.org/pool/updates/main/g/gnutls11/gnutls-bin_1.0.16-13.2_ia64.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11_1.0.16-13.2_ia64.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dbg_1.0.16-13.2_ia64.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dev_1.0.16-13.2_ia64.deb
HP Precision
http://security.debian.org/pool/updates/main/g/gnutls11/gnutls-bin_1.0.16-13.2_hppa.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11_1.0.16-13.2_hppa.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dbg_1.0.16-13.2_hppa.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dev_1.0.16-13.2_hppa.deb
Motorola 680x0
http://security.debian.org/pool/updates/main/g/gnutls11/gnutls-bin_1.0.16-13.2_m68k.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11_1.0.16-13.2_m68k.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dbg_1.0.16-13.2_m68k.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dev_1.0.16-13.2_m68k.deb
Big endian MIPS
http://security.debian.org/pool/updates/main/g/gnutls11/gnutls-bin_1.0.16-13.2_mips.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11_1.0.16-13.2_mips.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dbg_1.0.16-13.2_mips.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dev_1.0.16-13.2_mips.deb
Little endian MIPS
http://security.debian.org/pool/updates/main/g/gnutls11/gnutls-bin_1.0.16-13.2_mipsel.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11_1.0.16-13.2_mipsel.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dbg_1.0.16-13.2_mipsel.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dev_1.0.16-13.2_mipsel.deb
PowerPC
http://security.debian.org/pool/updates/main/g/gnutls11/gnutls-bin_1.0.16-13.2_powerpc.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11_1.0.16-13.2_powerpc.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dbg_1.0.16-13.2_powerpc.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dev_1.0.16-13.2_powerpc.deb
IBM S/390
http://security.debian.org/pool/updates/main/g/gnutls11/gnutls-bin_1.0.16-13.2_s390.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11_1.0.16-13.2_s390.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dbg_1.0.16-13.2_s390.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dev_1.0.16-13.2_s390.deb
Sun Sparc
http://security.debian.org/pool/updates/main/g/gnutls11/gnutls-bin_1.0.16-13.2_sparc.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11_1.0.16-13.2_sparc.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dbg_1.0.16-13.2_sparc.deb
http://security.debian.org/pool/updates/main/g/gnutls11/libgnutls11-dev_1.0.16-13.2_sparc.deb

Standar resources

Property Value
CVE CVE-2006-0645
BID

Other resources

GNU-TLS Security Advisories (GNUTLS-SA-2006-1)
http://lists.gnupg.org/pipermail/gnutls-dev/2006-February/001058.html

Red Hat Security Advisory (RHSA-2006:0207-10)
https://rhn.redhat.com/errata/RHSA-2006-0207.html

Mandriva Security Advisory (MDKSA-2006:039)
http://www.mandriva.com/security/advisories?name=MDKSA-2006:039

Debian Security Advisory (DSA 985-1)
http://lists.debian.org/debian-security-announce/debian-security-announce-2006/msg00063.html

Debian Security Advisory (DSA 986-1)
http://lists.debian.org/debian-security-announce/debian-security-announce-2006/msg00064.html

Version history

Version Comments Date
1.0 Aviso emitido 2006-02-13
1.1 Aviso emitido por Mandriva (MDKSA-2006:039) 2006-02-14
1.2 Avisos emitidos por Debian (DSA 985-1, DSA 986-1) 2006-03-06
Ministerio de Defensa
CNI
CCN
CCN-CERT