Miembros de
Boletines de Vulnerabilidades |
Desbordamiento de búfer en krb5 |
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Clasificación de la vulnerabilidad |
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| Propiedad | Valor |
| Nivel de Confianza | Oficial |
| Impacto | Integridad |
| 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 | krb5 |
Descripción |
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Se ha encontrado una vulnerabilidad del tipo desbordamiento de búfer en MIT Kerberos 5 de la versión 1.4 hasta la 1.6.2 en el archivo svc_auth_gss.c en la librería RPC RPCSEC_GSS. La vulnerabilidad reside en un error en el parche original para la vulnerabilidad CVE-2007-3999 que no comprueba de forma correcta la longitud del búfer en ciertos entornos y arquitecturas. Se desconoce el impacto de dicha vulnerabilidad así como sus métodos de ataque. |
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Solución |
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Actualización de software Mandriva (MDKSA-2007:174-1) Mandriva Linux 2007 X86 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/ftp-client-krb5-1.4.3-7.3mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/ftp-server-krb5-1.4.3-7.3mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/krb5-server-1.4.3-7.3mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/krb5-workstation-1.4.3-7.3mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libkrb53-1.4.3-7.3mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/libkrb53-devel-1.4.3-7.3mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/telnet-client-krb5-1.4.3-7.3mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/i586/telnet-server-krb5-1.4.3-7.3mdv2007.0.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/krb5-1.4.3-7.3mdv2007.0.src.rpm X86_64 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/ftp-client-krb5-1.4.3-7.3mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/ftp-server-krb5-1.4.3-7.3mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/krb5-server-1.4.3-7.3mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/krb5-workstation-1.4.3-7.3mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64krb53-1.4.3-7.3mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/lib64krb53-devel-1.4.3-7.3mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/telnet-client-krb5-1.4.3-7.3mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/x86_64/telnet-server-krb5-1.4.3-7.3mdv2007.0.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.0/SRPMS/krb5-1.4.3-7.3mdv2007.0.src.rpm Corporate Server 4.0 X86 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/ftp-client-krb5-1.4.3-5.5.20060mlcs4.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/ftp-server-krb5-1.4.3-5.5.20060mlcs4.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/krb5-server-1.4.3-5.5.20060mlcs4.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/krb5-workstation-1.4.3-5.5.20060mlcs4.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/libkrb53-1.4.3-5.5.20060mlcs4.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/libkrb53-devel-1.4.3-5.5.20060mlcs4.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/telnet-client-krb5-1.4.3-5.5.20060mlcs4.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/i586/telnet-server-krb5-1.4.3-5.5.20060mlcs4.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/krb5-1.4.3-5.5.20060mlcs4.src.rpm X86_64 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/ftp-client-krb5-1.4.3-5.5.20060mlcs4.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/ftp-server-krb5-1.4.3-5.5.20060mlcs4.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/krb5-server-1.4.3-5.5.20060mlcs4.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/krb5-workstation-1.4.3-5.5.20060mlcs4.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/lib64krb53-1.4.3-5.5.20060mlcs4.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/lib64krb53-devel-1.4.3-5.5.20060mlcs4.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/telnet-client-krb5-1.4.3-5.5.20060mlcs4.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/x86_64/telnet-server-krb5-1.4.3-5.5.20060mlcs4.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/4.0/SRPMS/krb5-1.4.3-5.5.20060mlcs4.src.rpm Mandriva Linux 2007.1 X86 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/ftp-client-krb5-1.5.2-6.5mdv2007.1.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/ftp-server-krb5-1.5.2-6.5mdv2007.1.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/krb5-server-1.5.2-6.5mdv2007.1.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/krb5-workstation-1.5.2-6.5mdv2007.1.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/libkrb53-1.5.2-6.5mdv2007.1.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/libkrb53-devel-1.5.2-6.5mdv2007.1.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/telnet-client-krb5-1.5.2-6.5mdv2007.1.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/i586/telnet-server-krb5-1.5.2-6.5mdv2007.1.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/SRPMS/krb5-1.5.2-6.5mdv2007.1.src.rpm X86_64 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/ftp-client-krb5-1.5.2-6.5mdv2007.1.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/ftp-server-krb5-1.5.2-6.5mdv2007.1.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/krb5-server-1.5.2-6.5mdv2007.1.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/krb5-workstation-1.5.2-6.5mdv2007.1.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/lib64krb53-1.5.2-6.5mdv2007.1.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/lib64krb53-devel-1.5.2-6.5mdv2007.1.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/telnet-client-krb5-1.5.2-6.5mdv2007.1.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/x86_64/telnet-server-krb5-1.5.2-6.5mdv2007.1.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2007.1/SRPMS/krb5-1.5.2-6.5mdv2007.1.src.rpm Red Hat (RHSA-2007:0892-2) RHEL Desktop Workstation (v. 5 client) Red Hat Enterprise Linux (v. 5 server) Red Hat Enterprise Linux Desktop (v. 5 client) https://rhn.redhat.com/ Debian (DSA 1387-1) Debian Linux 4.0 Source http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss_0.14-2etch3.dsc http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss_0.14.orig.tar.gz http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss_0.14-2etch3.diff.gz Alpha http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss3_0.14-2etch3_alpha.deb http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss-dev_0.14-2etch3_alpha.deb AMD64 http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss-dev_0.14-2etch3_amd64.deb http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss3_0.14-2etch3_amd64.deb ARM http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss3_0.14-2etch3_arm.deb http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss-dev_0.14-2etch3_arm.deb HP Precision http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss3_0.14-2etch3_hppa.deb http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss-dev_0.14-2etch3_hppa.deb Intel IA-32 http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss3_0.14-2etch3_i386.deb http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss-dev_0.14-2etch3_i386.deb Intel IA-64 http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss-dev_0.14-2etch3_ia64.deb http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss3_0.14-2etch3_ia64.deb Big endian MIPS http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss-dev_0.14-2etch3_mips.deb http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss3_0.14-2etch3_mips.deb Little endian MIPS http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss-dev_0.14-2etch3_mipsel.deb http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss3_0.14-2etch3_mipsel.deb PowerPC http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss-dev_0.14-2etch3_powerpc.deb http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss3_0.14-2etch3_powerpc.deb IBM S/390 http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss3_0.14-2etch3_s390.deb http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss-dev_0.14-2etch3_s390.deb Sun Sparc http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss3_0.14-2etch3_sparc.deb http://security.debian.org/pool/updates/main/libr/librpcsecgss/librpcsecgss-dev_0.14-2etch3_sparc.deb Apple Security Update 2007-008 (10.3.9 Client) http://www.apple.com/support/downloads/securityupdate20070081039client.html Security Update 2007-008 (10.3.9 Server) http://www.apple.com/support/downloads/securityupdate20070081039server.html |
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Identificadores estándar |
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| Propiedad | Valor |
| CVE | CVE-2007-4743 |
| BID | |
Recursos adicionales |
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Mandriva Security Advisory (MDKSA-2007:174-1) http://www.mandriva.com/security/advisories?name=MDKSA-2007:174-1 Red Hat Security Advisory (RHSA-2007:0892-2) https://rhn.redhat.com/errata/RHSA-2007-0892.html Debian Security Advisory (DSA 1387-1) http://lists.debian.org/debian-security-announce/debian-security-announce-2007/msg00162.html Apple Security Update (307041) http://docs.info.apple.com/article.html?artnum=307041 |
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Histórico de versiones |
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| Versión | Comentario | Fecha |
| 1.0 | Aviso emitido | 2007-09-10 |
| 1.1 | Aviso emitido por Debian (DSA 1387-1) | 2007-10-16 |
| 1.2 | Aviso emitido por Apple (307041) | 2007-11-20 |