Vulnerability Bulletins |
Denegación de servicio en OpenLDAP |
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Vulnerability classification |
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| Property | Value |
| Confidence level | Oficial |
| Impact | Denegación de Servicio |
| 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 < 2.3.39 |
Description |
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Se ha encontrado una vulnerabilidad en OpenLDAP en las versiones anteriores a la 2.3.39 en los archivos overlays/pcache.c, en el demonio slapd. La vulnerabilidad reside al asignar memoria utilizando la variante malloc en vez de calloc cuando se ejecuta como un servidor de proxy-cache. Un atacante remoto podría causar una denegación de servicio mediante métodos todavía no especificados. |
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Solution |
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Actualizaciones de software Suse Linux Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux. OpenLDAP Actualizar a la versión 2.3.39. http://www.openldap.org/software/download/ Debian (DSA-1541-1) Debian Linux 4.0 Source http://security.debian.org/pool/updates/main/o/openldap2.3/openldap2.3_2.3.30-5+etch1.diff.gz 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+etch1.dsc alpha (DEC Alpha) http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch1_alpha.deb http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch1_alpha.deb http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch1_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch1_amd64.deb http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch1_amd64.deb http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch1_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch1_arm.deb http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch1_arm.deb http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch1_arm.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch1_hppa.deb http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch1_hppa.deb http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch1_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch1_i386.deb http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch1_i386.deb http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch1_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch1_ia64.deb http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch1_ia64.deb http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch1_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch1_mips.deb http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch1_mips.deb http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch1_mips.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch1_mipsel.deb http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch1_mipsel.deb http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch1_mipsel.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch1_powerpc.deb http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch1_powerpc.deb http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch1_powerpc.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch1_s390.deb http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch1_s390.deb http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch1_s390.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/o/openldap2.3/slapd_2.3.30-5+etch1_sparc.deb http://security.debian.org/pool/updates/main/o/openldap2.3/libldap-2.3-0_2.3.30-5+etch1_sparc.deb http://security.debian.org/pool/updates/main/o/openldap2.3/ldap-utils_2.3.30-5+etch1_sparc.deb |
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Standar resources |
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| Property | Value |
| CVE | CVE-2007-5708 |
| BID | 26245 |
Other resources |
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OpenLDAP http://www.openldap.org SUSE Security Summary Report (SUSE-SR:2007:024) http://www.novell.com/linux/security/advisories/2007_24_sr.html Debian Security Advisory (DSA-1541-1) http://lists.debian.org/debian-security-announce/2008/msg00111.html |
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Version history |
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| Version | Comments | Date |
| 1.0 | Aviso emitido | 2007-11-28 |
| 1.1 | Aviso emitido por Debian (DSA-1541-1) | 2008-04-14 |