Miembros de
Boletines de Vulnerabilidades |
Denegación de servicio en mod_auth_kerb de Apache |
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Clasificación de la vulnerabilidad |
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| Propiedad | Valor |
| Nivel de Confianza | Oficial |
| Impacto | Denegación de Servicio |
| Dificultad | Experto |
| Requerimientos del atacante | Acceso remoto sin cuenta a un servicio estandar |
Información sobre el sistema |
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| Propiedad | Valor |
| Fabricante afectado | GNU/Linux |
| Software afectado | mod_auth_kerb 5.0 |
Descripción |
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Se ha descubierto una vulnerabilidad de desbordamiento de búfer en zona de heap en mod_auth_kerb 5.0 para Apache. La vulnerabilidad reside en un error de tipo "off-by-one" en la función "der_get_oid()". Un atacante remoto podría causar una denegación de servicio mediante mensajes Kerberos especialmente construidos que provocan un desbordamiento de búfer en zona de heap en el vector de componentes. |
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Solución |
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Actualización de software Mandriva Corporate 4.0 X86 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/apache-mod_auth_kerb-5.0-2.1.20060mlcs4.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/apache-mod_auth_kerb-5.0-2.1.20060mlcs4.src.rpm X86_64 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/apache-mod_auth_kerb-5.0-2.1.20060mlcs4.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/apache-mod_auth_kerb-5.0-2.1.20060mlcs4.src.rpm 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/ Debian Debian 3.1 Source http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache-mod-auth-kerb_4.996-5.0-rc6-1sarge1.dsc http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache-mod-auth-kerb_4.996-5.0-rc6-1sarge1.diff.gz http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache-mod-auth-kerb_4.996-5.0-rc6.orig.tar.gz AMD x86_64 (AMD64) http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache2-mod-auth-kerb_4.996-5.0-rc6-1sarge1_amd64.deb http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache-mod-auth-kerb_4.996-5.0-rc6-1sarge1_amd64.deb ARM http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache-mod-auth-kerb_4.996-5.0-rc6-1sarge1_arm.deb http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache2-mod-auth-kerb_4.996-5.0-rc6-1sarge1_arm.deb HP PA RISC http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache2-mod-auth-kerb_4.996-5.0-rc6-1sarge1_hppa.deb http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache-mod-auth-kerb_4.996-5.0-rc6-1sarge1_hppa.deb Intel ia32 http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache-mod-auth-kerb_4.996-5.0-rc6-1sarge1_i386.deb http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache2-mod-auth-kerb_4.996-5.0-rc6-1sarge1_i386.deb Intel ia64 http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache-mod-auth-kerb_4.996-5.0-rc6-1sarge1_ia64.deb http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache2-mod-auth-kerb_4.996-5.0-rc6-1sarge1_ia64.deb Motorola Mc680x0 http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache-mod-auth-kerb_4.996-5.0-rc6-1sarge1_m68k.deb http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache2-mod-auth-kerb_4.996-5.0-rc6-1sarge1_m68k.deb MIPS (Big Endian) http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache2-mod-auth-kerb_4.996-5.0-rc6-1sarge1_mips.deb http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache-mod-auth-kerb_4.996-5.0-rc6-1sarge1_mips.deb MIPS (Little Endian) http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache-mod-auth-kerb_4.996-5.0-rc6-1sarge1_mipsel.deb http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache2-mod-auth-kerb_4.996-5.0-rc6-1sarge1_mipsel.deb PowerPC http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache2-mod-auth-kerb_4.996-5.0-rc6-1sarge1_powerpc.deb http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache-mod-auth-kerb_4.996-5.0-rc6-1sarge1_powerpc.deb IBM S/390 http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache2-mod-auth-kerb_4.996-5.0-rc6-1sarge1_s390.deb http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache-mod-auth-kerb_4.996-5.0-rc6-1sarge1_s390.deb Sun SPARC/UltraSPARC http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache-mod-auth-kerb_4.996-5.0-rc6-1sarge1_sparc.deb http://security.debian.org/pool/updates/main/liba/libapache-mod-auth-kerb/libapache2-mod-auth-kerb_4.996-5.0-rc6-1sarge1_sparc.deb |
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Identificadores estándar |
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| Propiedad | Valor |
| CVE | CVE-2006-5989 |
| BID | |
Recursos adicionales |
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Mandriva Security Advisory (MDKSA-2006:218) http://www.mandriva.com/security/advisories?name=MDKSA-2006:218 Red Hat Security Advisory (RHSA-2006:0746-2) https://rhn.redhat.com/errata/RHSA-2006-0746.html Debian Security Advisory (DSA 1247-1) http://lists.debian.org/debian-security-announce/debian-security-announce-2007/msg00002.html |
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Histórico de versiones |
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| Versión | Comentario | Fecha |
| 1.0 | Aviso emitido | 2006-11-24 |
| 1.1 | Aviso emitido por Red Hat (RHSA-2006:0746-2) | 2006-12-07 |
| 1.2 | Aviso emitido por Debian (DSA 1247-1) | 2007-01-09 |