Vulnerability Bulletins |
Error de verificación de certificado en Fetchmail |
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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 | Fetchmail <= 6.3.11 |
Description |
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Se ha descubierto una vulnerabilidad en Fetchmail 6.3.11. La vulnerabilidad reside en un error en el manejo del caracter "\0" en un nombre de dominio "socket.c". Un atacante remoto podría suplantar servidores SSL arbitrarios mediante un certificado especialmente diseñado. |
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Solution |
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Actualización de software Debian (DSA-1852-1) Debian Linux 4.0 Source http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch2.dsc http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6.orig.tar.gz http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch2.diff.gz Arquitectura independiente: http://security.debian.org/pool/updates/main/f/fetchmail/fetchmailconf_6.3.6-1etch2_all.deb alpha (DEC Alpha) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch2_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch2_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch2_arm.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch2_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch2_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch2_ia64.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch2_powerpc.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch2_s390.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.6-1etch2_sparc.deb Debian (DSA-1852-1) Debian Linux 5.0 Source http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.9~rc2-4+lenny1.dsc http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.9~rc2-4+lenny1.diff.gz http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.9~rc2.orig.tar.gz independent packages: http://security.debian.org/pool/updates/main/f/fetchmail/fetchmailconf_6.3.9~rc2-4+lenny1_all.deb alpha (DEC Alpha) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.9~rc2-4+lenny1_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.9~rc2-4+lenny1_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.9~rc2-4+lenny1_arm.deb armel (ARM EABI) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.9~rc2-4+lenny1_armel.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.9~rc2-4+lenny1_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.9~rc2-4+lenny1_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.9~rc2-4+lenny1_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.9~rc2-4+lenny1_mips.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.9~rc2-4+lenny1_mipsel.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.9~rc2-4+lenny1_powerpc.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.9~rc2-4+lenny1_s390.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/f/fetchmail/fetchmail_6.3.9~rc2-4+lenny1_sparc.deb Red Hat (RHSA-2009:1427-1) RHEL Desktop Workstation (v. 5 cliente) Red Hat Desktop (v. 3) Red Hat Desktop (v. 4) Red Hat Enterprise Linux (v. 5 servidor) Red Hat Enterprise Linux AS (v. 3) Red Hat Enterprise Linux AS (v. 4) Red Hat Enterprise Linux AS (v. 4.8.z) Red Hat Enterprise Linux ES (v. 3) Red Hat Enterprise Linux ES (v. 4) Red Hat Enterprise Linux ES (v. 4.8.z) Red Hat Enterprise Linux EUS (v. 5.4.z servidor) Red Hat Enterprise Linux WS (v. 3) 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-2009-2666 |
| BID | |
Other resources |
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Debian Security Advisory (DSA-1852-1) http://lists.debian.org/debian-security-announce/2009/msg00168.html Red Hat Security Advisory (RHSA-2009:1427-1) https://rhn.redhat.com/errata/RHSA-2009-1427.html |
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Version history |
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| Version | Comments | Date |
| 1.0 | Aviso emitido | 2009-08-13 |
| 1.1 | Aviso emitido por Red Hat (RHSA-2009:1427-1) | 2009-09-10 |