Vulnerability Bulletins |
Suplantación de servidores SSL en OpenLDAP |
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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 | OpenLDAP |
Description |
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Se ha descubierto una vulnerabilidad en OpenLDAP. La vulnerabilidad reside en un error en el manejo del carácter "\0" en el campo CommonName de un certificado X.509 en "libraries/libldap/tls_o.c". Un atacante podría realizar un atauqe de hombre en el medio y suplantar servidores SSL arbitrarios mediante un certificado especialmente diseñado. |
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Solution |
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Actualización de software Debian (DSA-1943-1) Debian Linux 4.0 Source http://security.debian.org/pool/updates/main/o/openldap2.3/openldap2.3_2.3.30.orig.tar.gz http://security.debian.org/pool/updates/main/o/openldap2.3/openldap2.3_2.3.30-5+etch3.dsc http://security.debian.org/pool/updates/main/o/openldap2.3/openldap2.3_2.3.30-5+etch3.diff.gz alpha (DEC Alpha) http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch3_alpha.deb http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch3_alpha.deb http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch3_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch3_amd64.deb http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch3_amd64.deb http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch3_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch3_arm.deb http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch3_arm.deb http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch3_arm.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch3_hppa.deb http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch3_hppa.deb http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch3_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch3_i386.deb http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch3_i386.deb http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch3_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch3_ia64.deb http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch3_ia64.deb http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch3_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch3_mips.deb http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch3_mips.deb http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch3_mips.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch3_mipsel.deb http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch3_mipsel.deb http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch3_mipsel.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch3_powerpc.deb http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch3_powerpc.deb http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch3_powerpc.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch3_s390.deb http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch3_s390.deb http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch3_s390.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch3_sparc.deb http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch3_sparc.deb http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch3_sparc.deb Debian (DSA-1943-1) Debian Linux 5.0 Source http://security.debian.org/pool/updates/main/o/openldap/openldap_2.4.11-1+lenny1.diff.gz http://security.debian.org/pool/updates/main/o/openldap/openldap_2.4.11-1+lenny1.dsc http://security.debian.org/pool/updates/main/o/openldap/openldap_2.4.11.orig.tar.gz alpha (DEC Alpha) http://security.debian.org/pool/updates/main/o/openldap/slapd-dbg_2.4.11-1+lenny1_alpha.deb http://security.debian.org/pool/updates/main/o/openldap/libldap-2.4-2_2.4.11-1+lenny1_alpha.deb http://security.debian.org/pool/updates/main/o/openldap/ldap-utils_2.4.11-1+lenny1_alpha.deb http://security.debian.org/pool/updates/main/o/openldap/slapd_2.4.11-1+lenny1_alpha.deb http://security.debian.org/pool/updates/main/o/openldap/libldap2-dev_2.4.11-1+lenny1_alpha.deb http://security.debian.org/pool/updates/main/o/openldap/libldap-2.4-2-dbg_2.4.11-1+lenny1_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/o/openldap/slapd_2.4.11-1+lenny1_amd64.deb http://security.debian.org/pool/updates/main/o/openldap/libldap-2.4-2-dbg_2.4.11-1+lenny1_amd64.deb http://security.debian.org/pool/updates/main/o/openldap/ldap-utils_2.4.11-1+lenny1_amd64.deb http://security.debian.org/pool/updates/main/o/openldap/libldap2-dev_2.4.11-1+lenny1_amd64.deb http://security.debian.org/pool/updates/main/o/openldap/slapd-dbg_2.4.11-1+lenny1_amd64.deb http://security.debian.org/pool/updates/main/o/openldap/libldap-2.4-2_2.4.11-1+lenny1_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/o/openldap/libldap-2.4-2-dbg_2.4.11-1+lenny1_arm.deb http://security.debian.org/pool/updates/main/o/openldap/ldap-utils_2.4.11-1+lenny1_arm.deb http://security.debian.org/pool/updates/main/o/openldap/libldap2-dev_2.4.11-1+lenny1_arm.deb http://security.debian.org/pool/updates/main/o/openldap/slapd_2.4.11-1+lenny1_arm.deb http://security.debian.org/pool/updates/main/o/openldap/libldap-2.4-2_2.4.11-1+lenny1_arm.deb http://security.debian.org/pool/updates/main/o/openldap/slapd-dbg_2.4.11-1+lenny1_arm.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/o/openldap/slapd_2.4.11-1+lenny1_hppa.deb http://security.debian.org/pool/updates/main/o/openldap/slapd-dbg_2.4.11-1+lenny1_hppa.deb http://security.debian.org/pool/updates/main/o/openldap/libldap-2.4-2_2.4.11-1+lenny1_hppa.deb http://security.debian.org/pool/updates/main/o/openldap/libldap-2.4-2-dbg_2.4.11-1+lenny1_hppa.deb http://security.debian.org/pool/updates/main/o/openldap/ldap-utils_2.4.11-1+lenny1_hppa.deb http://security.debian.org/pool/updates/main/o/openldap/libldap2-dev_2.4.11-1+lenny1_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/o/openldap/libldap-2.4-2_2.4.11-1+lenny1_i386.deb http://security.debian.org/pool/updates/main/o/openldap/libldap-2.4-2-dbg_2.4.11-1+lenny1_i386.deb http://security.debian.org/pool/updates/main/o/openldap/libldap2-dev_2.4.11-1+lenny1_i386.deb http://security.debian.org/pool/updates/main/o/openldap/slapd-dbg_2.4.11-1+lenny1_i386.deb http://security.debian.org/pool/updates/main/o/openldap/ldap-utils_2.4.11-1+lenny1_i386.deb http://security.debian.org/pool/updates/main/o/openldap/slapd_2.4.11-1+lenny1_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/o/openldap/slapd-dbg_2.4.11-1+lenny1_ia64.deb http://security.debian.org/pool/updates/main/o/openldap/libldap2-dev_2.4.11-1+lenny1_ia64.deb http://security.debian.org/pool/updates/main/o/openldap/ldap-utils_2.4.11-1+lenny1_ia64.deb http://security.debian.org/pool/updates/main/o/openldap/libldap-2.4-2-dbg_2.4.11-1+lenny1_ia64.deb http://security.debian.org/pool/updates/main/o/openldap/libldap-2.4-2_2.4.11-1+lenny1_ia64.deb http://security.debian.org/pool/updates/main/o/openldap/slapd_2.4.11-1+lenny1_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/o/openldap/slapd-dbg_2.4.11-1+lenny1_mips.deb http://security.debian.org/pool/updates/main/o/openldap/libldap-2.4-2_2.4.11-1+lenny1_mips.deb http://security.debian.org/pool/updates/main/o/openldap/ldap-utils_2.4.11-1+lenny1_mips.deb http://security.debian.org/pool/updates/main/o/openldap/libldap2-dev_2.4.11-1+lenny1_mips.deb http://security.debian.org/pool/updates/main/o/openldap/slapd_2.4.11-1+lenny1_mips.deb http://security.debian.org/pool/updates/main/o/openldap/libldap-2.4-2-dbg_2.4.11-1+lenny1_mips.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/o/openldap/slapd-dbg_2.4.11-1+lenny1_powerpc.deb http://security.debian.org/pool/updates/main/o/openldap/libldap-2.4-2-dbg_2.4.11-1+lenny1_powerpc.deb http://security.debian.org/pool/updates/main/o/openldap/libldap-2.4-2_2.4.11-1+lenny1_powerpc.deb http://security.debian.org/pool/updates/main/o/openldap/slapd_2.4.11-1+lenny1_powerpc.deb http://security.debian.org/pool/updates/main/o/openldap/libldap2-dev_2.4.11-1+lenny1_powerpc.deb http://security.debian.org/pool/updates/main/o/openldap/ldap-utils_2.4.11-1+lenny1_powerpc.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/o/openldap/libldap2-dev_2.4.11-1+lenny1_sparc.deb http://security.debian.org/pool/updates/main/o/openldap/ldap-utils_2.4.11-1+lenny1_sparc.deb http://security.debian.org/pool/updates/main/o/openldap/slapd_2.4.11-1+lenny1_sparc.deb http://security.debian.org/pool/updates/main/o/openldap/libldap-2.4-2-dbg_2.4.11-1+lenny1_sparc.deb http://security.debian.org/pool/updates/main/o/openldap/libldap-2.4-2_2.4.11-1+lenny1_sparc.deb http://security.debian.org/pool/updates/main/o/openldap/slapd-dbg_2.4.11-1+lenny1_sparc.deb Red Hat (RHSA-2010:0543-1) Red Hat Enterprise Linux AS (v. 4) Red Hat Enterprise Linux Desktop (v. 4) Red Hat Enterprise Linux ES (v. 4) Red Hat Enterprise Linux WS (v. 4) https://rhn.redhat.com/ |
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Standar resources |
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| Property | Value |
| CVE | CVE-2009-3767 |
| BID | |
Other resources |
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Debian Security Advisory (DSA-1943-1) http://lists.debian.org/debian-security-announce/2009/msg00266.html Red Hat Security Advisory (RHSA-2010:0543-1) https://rhn.redhat.com/errata/RHSA-2010-0543.html |
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Version history |
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| Version | Comments | Date |
| 1.0 | Aviso emitido | 2009-12-17 |
| 1.1 | Aviso emitido por Red Hat (RHSA-2010:0198-4) | 2010-04-12 |
| 1.2 | Aviso emitido por Red Hat (RHSA-2010:0543-1) | 2010-08-10 |