Vulnerability Bulletins |
Suplantación de identidad en GnuTLS |
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Vulnerability classification |
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Property | Value |
Confidence level | Oficial |
Impact | Confidencialidad |
Dificulty | Experto |
Required attacker level | Acceso remoto sin cuenta a un servicio estandar |
System information |
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Property | Value |
Affected manufacturer | GNU/Linux |
Affected software | GnuTLS < 2.8.2 |
Description |
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Se ha descubierto una vulnerabilidad en GnuTLS 2.8. La vulnerabilidad reside en un error en el manejo del carácter '\0' en un nombre de dominio en los campos Common Name (CN) o Subject Alternative Name de un certificado X.509. Un atacante remoto podría suplantar certificados de servidores SSL arbitrarios válidos mediante un certificado especialmente diseñado emitido por una Autoridad Certificadora en un ataque de hombre en el medio. |
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Solution |
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Actualización de software Red Hat (RHSA-2009:1232-1) RHEL Desktop Workstation (v. 5 cliente) Red Hat Desktop (v. 4) Red Hat Enterprise Linux (v. 5 servidor) Red Hat Enterprise Linux AS (v. 4) Red Hat Enterprise Linux AS (v. 4.8.z) Red Hat Enterprise Linux Desktop (v. 5 cliente) Red Hat Enterprise Linux ES (v. 4) Red Hat Enterprise Linux ES (v. 4.8.z) Red Hat Enterprise Linux EUS (v. 5.3.z servidor) Red Hat Enterprise Linux WS (v. 4) https://rhn.redhat.com/ Suse Linux Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux. Debian (DSA-1935-1) Debian Linux 4.0 Source http://security.debian.org/pool/updates/main/g/gnutls13/gnutls13_1.4.4.orig.tar.gz http://security.debian.org/pool/updates/main/g/gnutls13/gnutls13_1.4.4-3+etch5.dsc http://security.debian.org/pool/updates/main/g/gnutls13/gnutls13_1.4.4-3+etch5.diff.gz Arquitectura independiente: http://security.debian.org/pool/updates/main/g/gnutls13/gnutls-doc_1.4.4-3+etch5_all.deb alpha (DEC Alpha) http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls-dev_1.4.4-3+etch5_alpha.deb http://security.debian.org/pool/updates/main/g/gnutls13/gnutls-bin_1.4.4-3+etch5_alpha.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13_1.4.4-3+etch5_alpha.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13-dbg_1.4.4-3+etch5_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls-dev_1.4.4-3+etch5_amd64.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13-dbg_1.4.4-3+etch5_amd64.deb http://security.debian.org/pool/updates/main/g/gnutls13/gnutls-bin_1.4.4-3+etch5_amd64.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13_1.4.4-3+etch5_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13-dbg_1.4.4-3+etch5_arm.deb http://security.debian.org/pool/updates/main/g/gnutls13/gnutls-bin_1.4.4-3+etch5_arm.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls-dev_1.4.4-3+etch5_arm.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13_1.4.4-3+etch5_arm.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/g/gnutls13/gnutls-bin_1.4.4-3+etch5_hppa.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls-dev_1.4.4-3+etch5_hppa.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13-dbg_1.4.4-3+etch5_hppa.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13_1.4.4-3+etch5_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls-dev_1.4.4-3+etch5_i386.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13-dbg_1.4.4-3+etch5_i386.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13_1.4.4-3+etch5_i386.deb http://security.debian.org/pool/updates/main/g/gnutls13/gnutls-bin_1.4.4-3+etch5_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13-dbg_1.4.4-3+etch5_ia64.deb http://security.debian.org/pool/updates/main/g/gnutls13/gnutls-bin_1.4.4-3+etch5_ia64.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13_1.4.4-3+etch5_ia64.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls-dev_1.4.4-3+etch5_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13_1.4.4-3+etch5_mips.deb http://security.debian.org/pool/updates/main/g/gnutls13/gnutls-bin_1.4.4-3+etch5_mips.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls-dev_1.4.4-3+etch5_mips.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13-dbg_1.4.4-3+etch5_mips.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/g/gnutls13/gnutls-bin_1.4.4-3+etch5_mipsel.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13-dbg_1.4.4-3+etch5_mipsel.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13_1.4.4-3+etch5_mipsel.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls-dev_1.4.4-3+etch5_mipsel.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13-dbg_1.4.4-3+etch5_powerpc.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13_1.4.4-3+etch5_powerpc.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls-dev_1.4.4-3+etch5_powerpc.deb http://security.debian.org/pool/updates/main/g/gnutls13/gnutls-bin_1.4.4-3+etch5_powerpc.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13_1.4.4-3+etch5_s390.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls-dev_1.4.4-3+etch5_s390.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13-dbg_1.4.4-3+etch5_s390.deb http://security.debian.org/pool/updates/main/g/gnutls13/gnutls-bin_1.4.4-3+etch5_s390.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls-dev_1.4.4-3+etch5_sparc.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13-dbg_1.4.4-3+etch5_sparc.deb http://security.debian.org/pool/updates/main/g/gnutls13/gnutls-bin_1.4.4-3+etch5_sparc.deb http://security.debian.org/pool/updates/main/g/gnutls13/libgnutls13_1.4.4-3+etch5_sparc.deb Debian (DSA-1935-1) Debian Linux 5.0 Source http://security.debian.org/pool/updates/main/g/gnutls26/gnutls26_2.4.2-6+lenny2.diff.gz http://security.debian.org/pool/updates/main/g/gnutls26/gnutls26_2.4.2-6+lenny2.dsc http://security.debian.org/pool/updates/main/g/gnutls26/gnutls26_2.4.2.orig.tar.gz Arquitectura independiente: http://security.debian.org/pool/updates/main/g/gnutls26/gnutls-doc_2.4.2-6+lenny2_all.deb alpha (DEC Alpha) http://security.debian.org/pool/updates/main/g/gnutls26/guile-gnutls_2.4.2-6+lenny2_alpha.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls-dev_2.4.2-6+lenny2_alpha.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26_2.4.2-6+lenny2_alpha.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26-dbg_2.4.2-6+lenny2_alpha.deb http://security.debian.org/pool/updates/main/g/gnutls26/gnutls-bin_2.4.2-6+lenny2_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/g/gnutls26/gnutls-bin_2.4.2-6+lenny2_amd64.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls-dev_2.4.2-6+lenny2_amd64.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26-dbg_2.4.2-6+lenny2_amd64.deb http://security.debian.org/pool/updates/main/g/gnutls26/guile-gnutls_2.4.2-6+lenny2_amd64.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26_2.4.2-6+lenny2_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/g/gnutls26/guile-gnutls_2.4.2-6+lenny2_arm.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26_2.4.2-6+lenny2_arm.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26-dbg_2.4.2-6+lenny2_arm.deb http://security.debian.org/pool/updates/main/g/gnutls26/gnutls-bin_2.4.2-6+lenny2_arm.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls-dev_2.4.2-6+lenny2_arm.deb armel (ARM EABI) http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls-dev_2.4.2-6+lenny2_armel.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26-dbg_2.4.2-6+lenny2_armel.deb http://security.debian.org/pool/updates/main/g/gnutls26/gnutls-bin_2.4.2-6+lenny2_armel.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26_2.4.2-6+lenny2_armel.deb http://security.debian.org/pool/updates/main/g/gnutls26/guile-gnutls_2.4.2-6+lenny2_armel.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls-dev_2.4.2-6+lenny2_hppa.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26-dbg_2.4.2-6+lenny2_hppa.deb http://security.debian.org/pool/updates/main/g/gnutls26/gnutls-bin_2.4.2-6+lenny2_hppa.deb http://security.debian.org/pool/updates/main/g/gnutls26/guile-gnutls_2.4.2-6+lenny2_hppa.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26_2.4.2-6+lenny2_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26_2.4.2-6+lenny2_i386.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26-dbg_2.4.2-6+lenny2_i386.deb http://security.debian.org/pool/updates/main/g/gnutls26/gnutls-bin_2.4.2-6+lenny2_i386.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls-dev_2.4.2-6+lenny2_i386.deb http://security.debian.org/pool/updates/main/g/gnutls26/guile-gnutls_2.4.2-6+lenny2_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls-dev_2.4.2-6+lenny2_ia64.deb http://security.debian.org/pool/updates/main/g/gnutls26/gnutls-bin_2.4.2-6+lenny2_ia64.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26-dbg_2.4.2-6+lenny2_ia64.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26_2.4.2-6+lenny2_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls-dev_2.4.2-6+lenny2_mips.deb http://security.debian.org/pool/updates/main/g/gnutls26/guile-gnutls_2.4.2-6+lenny2_mips.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26-dbg_2.4.2-6+lenny2_mips.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26_2.4.2-6+lenny2_mips.deb http://security.debian.org/pool/updates/main/g/gnutls26/gnutls-bin_2.4.2-6+lenny2_mips.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26_2.4.2-6+lenny2_mipsel.deb http://security.debian.org/pool/updates/main/g/gnutls26/gnutls-bin_2.4.2-6+lenny2_mipsel.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26-dbg_2.4.2-6+lenny2_mipsel.deb http://security.debian.org/pool/updates/main/g/gnutls26/guile-gnutls_2.4.2-6+lenny2_mipsel.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls-dev_2.4.2-6+lenny2_mipsel.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/g/gnutls26/guile-gnutls_2.4.2-6+lenny2_s390.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26-dbg_2.4.2-6+lenny2_s390.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls-dev_2.4.2-6+lenny2_s390.deb http://security.debian.org/pool/updates/main/g/gnutls26/gnutls-bin_2.4.2-6+lenny2_s390.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26_2.4.2-6+lenny2_s390.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26_2.4.2-6+lenny2_sparc.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls26-dbg_2.4.2-6+lenny2_sparc.deb http://security.debian.org/pool/updates/main/g/gnutls26/libgnutls-dev_2.4.2-6+lenny2_sparc.deb http://security.debian.org/pool/updates/main/g/gnutls26/guile-gnutls_2.4.2-6+lenny2_sparc.deb http://security.debian.org/pool/updates/main/g/gnutls26/gnutls-bin_2.4.2-6+lenny2_sparc.deb |
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Standar resources |
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Property | Value |
CVE | CVE-2009-2730 |
BID | |
Other resources |
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Red Hat Security Advisory (RHSA-2008:0547-5) https://rhn.redhat.com/errata/RHSA-2008-0547.html SUSE Security Advisory (SUSE-SR:2009:015) http://www.novell.com/linux/security/advisories/2009_15_sr.html Debian Security Advisory (DSA-1935-1) http://lists.debian.org/debian-security-announce/2009/msg00258.html |
Version history |
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Version | Comments | Date |
1.0 | Aviso emitido | 2009-08-27 |
1.1 | Aviso emitido por Suse (SUSE-SR:2009:015) | 2009-09-18 |
1.2 | Aviso emitido por Debian (DSA-1935-1) | 2009-11-24 |
1.3 | Aviso emitido por Suse (SUSE-SA:2010:004) | 2010-03-01 |