Vulnerability Bulletins |
Denegación de servicio en Sendmail |
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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 | Sendmail |
Description |
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Se ha descubierto una vulnerabilidad en Sendmail. La vulnerabilidad reside en un error al manejar ciertos mensajes con líneas de cabecera especialmente largas lo que podría causar un error al intentar acceder a un puntero ya liberado (use-after-free bug). Un atacante podría causar una denegación de servicio. |
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Solution |
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Actualización de software OpenBSD OpenBSD 3.8 ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.8/common/010_sendmail3.patch OpenBSD 3.9 ftp://ftp.openbsd.org/pub/OpenBSD/patches/3.9/common/005_sendmail3.patch Debian Debian Linux 3.1 Source http://security.debian.org/pool/updates/main/s/sendmail/sendmail_8.13.4-3sarge3.dsc http://security.debian.org/pool/updates/main/s/sendmail/sendmail_8.13.4-3sarge3.diff.gz http://security.debian.org/pool/updates/main/s/sendmail/sendmail_8.13.4.orig.tar.gz Architecture independent http://security.debian.org/pool/updates/main/s/sendmail/sendmail-base_8.13.4-3sarge3_all.deb http://security.debian.org/pool/updates/main/s/sendmail/sendmail-cf_8.13.4-3sarge3_all.deb http://security.debian.org/pool/updates/main/s/sendmail/sendmail-doc_8.13.4-3sarge3_all.deb http://security.debian.org/pool/updates/main/s/sendmail/sendmail_8.13.4-3sarge3_all.deb Alpha http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.4-3sarge3_alpha.deb http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.4-3sarge3_alpha.deb http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.4-3sarge3_alpha.deb http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.4-3sarge3_alpha.deb http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.4-3sarge3_alpha.deb AMD64 http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.4-3sarge3_amd64.deb http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.4-3sarge3_amd64.deb http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.4-3sarge3_amd64.deb http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.4-3sarge3_amd64.deb http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.4-3sarge3_amd64.deb ARM http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.4-3sarge3_arm.deb http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.4-3sarge3_arm.deb http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.4-3sarge3_arm.deb http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.4-3sarge3_arm.deb http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.4-3sarge3_arm.deb HP Precision http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.4-3sarge3_hppa.deb http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.4-3sarge3_hppa.deb http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.4-3sarge3_hppa.deb http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.4-3sarge3_hppa.deb http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.4-3sarge3_hppa.deb Intel IA-32 http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.4-3sarge3_i386.deb http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.4-3sarge3_i386.deb http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.4-3sarge3_i386.deb http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.4-3sarge3_i386.deb http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.4-3sarge3_i386.deb Intel IA-64 http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.4-3sarge3_ia64.deb http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.4-3sarge3_ia64.deb http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.4-3sarge3_ia64.deb http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.4-3sarge3_ia64.deb http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.4-3sarge3_ia64.deb Motorola 680x0 http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.4-3sarge3_m68k.deb http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.4-3sarge3_m68k.deb http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.4-3sarge3_m68k.deb http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.4-3sarge3_m68k.deb http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.4-3sarge3_m68k.deb Big endian MIPS http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.4-3sarge3_mips.deb http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.4-3sarge3_mips.deb http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.4-3sarge3_mips.deb http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.4-3sarge3_mips.deb http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.4-3sarge3_mips.deb Little endian MIPS http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.4-3sarge3_mipsel.deb http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.4-3sarge3_mipsel.deb http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.4-3sarge3_mipsel.deb http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.4-3sarge3_mipsel.deb http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.4-3sarge3_mipsel.deb PowerPC http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.4-3sarge3_powerpc.deb http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.4-3sarge3_powerpc.deb http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.4-3sarge3_powerpc.deb http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.4-3sarge3_powerpc.deb http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.4-3sarge3_powerpc.deb IBM S/390 http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.4-3sarge3_s390.deb http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.4-3sarge3_s390.deb http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.4-3sarge3_s390.deb http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.4-3sarge3_s390.deb http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.4-3sarge3_s390.deb Sun Sparc http://security.debian.org/pool/updates/main/s/sendmail/libmilter-dev_8.13.4-3sarge3_sparc.deb http://security.debian.org/pool/updates/main/s/sendmail/libmilter0_8.13.4-3sarge3_sparc.deb http://security.debian.org/pool/updates/main/s/sendmail/rmail_8.13.4-3sarge3_sparc.deb http://security.debian.org/pool/updates/main/s/sendmail/sendmail-bin_8.13.4-3sarge3_sparc.deb http://security.debian.org/pool/updates/main/s/sendmail/sensible-mda_8.13.4-3sarge3_sparc.deb Mandriva Corporate Server 3.0 X86 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/sendmail-8.12.11-1.3.C30mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/sendmail-cf-8.12.11-1.3.C30mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/sendmail-devel-8.12.11-1.3.C30mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/sendmail-doc-8.12.11-1.3.C30mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/sendmail-8.12.11-1.3.C30mdk.src.rpm X86_64 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/sendmail-8.12.11-1.3.C30mdk.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/sendmail-cf-8.12.11-1.3.C30mdk.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/sendmail-devel-8.12.11-1.3.C30mdk.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/sendmail-doc-8.12.11-1.3.C30mdk.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/SRPMS/sendmail-8.12.11-1.3.C30mdk.src.rpm Multi Network Firewall 2.0 X86 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/RPMS/sendmail-8.12.11-1.3.M20mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/RPMS/sendmail-cf-8.12.11-1.3.M20mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/mnf/2.0/SRPMS/sendmail-8.12.11-1.3.M20mdk.src.rpm Mandrivalinux 2006 X86 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/sendmail-8.13.4-6.3.20060mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/sendmail-cf-8.13.4-6.3.20060mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/sendmail-devel-8.13.4-6.3.20060mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/RPMS/sendmail-doc-8.13.4-6.3.20060mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/2006.0/SRPMS/sendmail-8.13.4-6.3.20060mdk.src.rpm X86_64 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/sendmail-8.13.4-6.3.20060mdk.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/sendmail-cf-8.13.4-6.3.20060mdk.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/sendmail-devel-8.13.4-6.3.20060mdk.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/RPMS/sendmail-doc-8.13.4-6.3.20060mdk.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/2006.0/SRPMS/sendmail-8.13.4-6.3.20060mdk.src.rpm Suse Linux Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux Sun(102664) Solaris 9 / SPARC / patch 113575-08 Solaris 9 / x86 / patch 114137-07 Solaris 10 / SPARC / patch 125011-01 Solaris 10 / x86 / patch 125012-01 http://sunsolve.sun.com/pub-cgi/show.pl?target=patchpage |
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Standar resources |
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| Property | Value |
| CVE | CVE-2006-4434 |
| BID | 19714 |
Other resources |
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OpenBSD Security Advisory Aug 25, 2006 (005) http://www.openbsd.org/errata.html#sendmail3 OpenBSD Security Advisory Aug 25, 2006 (010) http://www.openbsd.org/errata38.html#sendmail3 Debian Security Advisory (DSA 1164-1) http://lists.debian.org/debian-security-announce/debian-security-announce-2006/msg00254.html Mandriva Security Advisory (MDKSA-2006:156) http://www.mandriva.com/security/advisories?name=MDKSA-2006:156 SUSE Security Advisory (SUSE-SR:2006:021) http://www.novell.com/linux/security/advisories/2006_21_sr.html Sun Alert Notification (102664) http://sunsolve.sun.com/search/document.do?assetkey=1-26-102664-1 |
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Version history |
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| Version | Comments | Date |
| 1.0 | Aviso emitido | 2006-08-28 |
| 1.1 | CVE añadido. Aviso emitido por Debian (DSA 1164-1). Aviso emitido por Mandriva (MDKSA-2006:156) | 2006-08-31 |
| 1.2 | Aviso emitido por Suse (SUSE-SR:2006:021) | 2006-09-04 |
| 1.3 | Aviso emitido por Sun (102664) | 2006-10-17 |
| 1.4 | Aviso actualizado por Sun (102664) | 2006-11-29 |
| 1.5 | Aviso actualizado por Sun (102664) | 2007-01-31 |