int(3032)

Vulnerability Bulletins


Error de validación en GnuPG

Vulnerability classification

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

System information

Property Value
Affected manufacturer GNU/Linux
Affected software GnuPG

Description

Se ha descubierto una vulnerabilidad en GnuPG. La vulnerabilidad reside en una verificación incorrecta de firmas y encriptaciones.

Un atacante podría añadir contenido en un mensaje firmado para que el destinatario que lo recibiese no pudiese distinguir entre el contenido firmado y el no firmado.

Solution



Actualización de software

Red Hat (RHSA-2007:0106-2)
Red Hat Desktop (v. 3)
Red Hat Desktop (v. 4)
Red Hat Enterprise Linux AS (v. 2.1)
Red Hat Enterprise Linux AS (v. 3)
Red Hat Enterprise Linux AS (v. 4)
Red Hat Enterprise Linux ES (v. 2.1)
Red Hat Enterprise Linux ES (v. 3)
Red Hat Enterprise Linux ES (v. 4)
Red Hat Enterprise Linux WS (v. 2.1)
Red Hat Enterprise Linux WS (v. 3)
Red Hat Enterprise Linux WS (v. 4)
Red Hat Linux Advanced Workstation 2.1 for the Itanium Processor
https://rhn.redhat.com/

Mandriva (MDKSA-2007:059)

Corporate Server 3.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/i586/gnupg-1.4.7-0.2.C30mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/gnupg-1.4.7-0.2.C30mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/x86_64/gnupg-1.4.7-0.2.C30mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/gnupg-1.4.7-0.2.C30mdk.src.rpm

Multi Network Firewall 2.0
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/i586/gnupg-1.4.7-0.3.M20mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/SRPMS/gnupg-1.4.7-0.3.M20mdk.src.rpm

Mandriva Linux 2006
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/i586/gnupg-1.4.7-0.2.20060mdk.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/gnupg-1.4.7-0.2.20060mdk.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/x86_64/gnupg-1.4.7-0.2.20060mdk.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/gnupg-1.4.7-0.2.20060mdk.src.rpm

Mandriva Linux 2007
X86
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/gnupg-1.4.7-0.2mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libgpgme11-1.1.2-2.1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libgpgme11-devel-1.1.2-2.1mdv2007.0.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/gnupg-1.4.7-0.2mdv2007.0.src.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/gpgme-1.1.2-2.1mdv2007.0.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/gnupg-1.4.7-0.2mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64gpgme11-1.1.2-2.1mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64gpgme11-devel-1.1.2-2.1mdv2007.0.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/gnupg-1.4.7-0.2mdv2007.0.src.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/gpgme-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/gnupg-1.4.7-0.2.20060mlcs4.i586.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/gnupg-1.4.7-0.2.20060mlcs4.src.rpm
X86_64
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/gnupg-1.4.7-0.2.20060mlcs4.x86_64.rpm
ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/gnupg-1.4.7-0.2.20060mlcs4.src.rpm

Debian

Debian Linux 3.1
Source
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge7.dsc
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge7.diff.gz
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1.orig.tar.gz
Alpha
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge7_alpha.deb
AMD64
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge7_amd64.deb
ARM
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge7_arm.deb
HP Precision
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge7_hppa.deb
Intel IA-32
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge7_i386.deb
Intel IA-64
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge7_ia64.deb
Motorola 680x0
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge7_m68k.deb
Big endian MIPS
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge7_mips.deb
Little endian MIPS
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge7_mipsel.deb
PowerPC
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge7_powerpc.deb
IBM S/390
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge7_s390.deb
Sun Sparc
http://security.debian.org/pool/updates/main/g/gnupg/gnupg_1.4.1-1.sarge7_sparc.deb

Red Hat (RHSA-2007:0107-2)
Red Hat Enterprise Linux (v. 5 server)
Red Hat Enterprise Linux Desktop (v. 5 client)
https://rhn.redhat.com/

SGI
Advanced Linux Environment 3 / RPM / Patch 10383
ftp://oss.sgi.com/projects/sgi_propack/download/3/updates/RPMS
Advanced Linux Environment 3 / SRPM / Patch 10383
ftp://oss.sgi.com/projects/sgi_propack/download/3/updates/SRPMS

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

Standar resources

Property Value
CVE CVE-2007-1263
BID 22757

Other resources

Red Hat Security Advisory (RHSA-2007:0106-2)
https://rhn.redhat.com/errata/RHSA-2007-0106.html

Mandriva Security Advisory (MDKSA-2007:059)
http://www.mandriva.com/security/advisories?name=MDKSA-2007:059

Debian Security Advisory (DSA 1266-1)
http://lists.debian.org/debian-security-announce/debian-security-announce-2007/msg00021.html

Red Hat Security Advisory (RHSA-2007:0107-2)
https://rhn.redhat.com/errata/RHSA-2007-0107.html

SGI Security Advisory (20070301-01-P)
ftp://patches.sgi.com/support/free/security/advisories/20070301-01-P.asc

SUSE Security Advisory (SUSE-SA:2007:024)
http://www.novell.com/linux/security/advisories/2007_24_gpg.html

Version history

Version Comments Date
1.0 Aviso emitido 2007-03-06
1.1 Aviso emitido por Mandriva (MDKSA-2007:059) 2007-03-12
1.2 Aviso emitido por Debian (DSA 1266-1) 2007-03-14
1.3 Aviso emitido por Red Hat (RHSA-2007:0107-2) 2007-03-20
1.4 Aviso emitido por SGI (20070301-01-P) 2007-03-26
1.5 Aviso emitido por Suse (SUSE-SA:2007:024) 2007-04-03
Ministerio de Defensa
CNI
CCN
CCN-CERT