Vulnerability Bulletins |
Denegación de servicio en Ubound |
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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 | Ubound 1.3 |
Description |
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Se ha descubierto una vulnerabilidad en Unbound 1.3. La vulnerabilidad reside en un error en la comprobación de firmas en registros NSEC3. Un atacante remoto podría provocar que dominios que usen la variante DNSSEC de NSEC3 perdieran su cifrado mediante ciertos ataques de DNS con respuestas de delegaciones especialmente diseñadas. |
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Solution |
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Actualización de software Debian (DSA-1963-1) Debian Linux 5.0 Source http://security.debian.org/pool/updates/main/u/unbound/unbound_1.0.2.orig.tar.gz http://security.debian.org/pool/updates/main/u/unbound/unbound_1.0.2-1+lenny1.diff.gz http://security.debian.org/pool/updates/main/u/unbound/unbound_1.0.2-1+lenny1.dsc alpha (DEC Alpha) http://security.debian.org/pool/updates/main/u/unbound/libunbound-dev_1.0.2-1+lenny1_alpha.deb http://security.debian.org/pool/updates/main/u/unbound/unbound-host_1.0.2-1+lenny1_alpha.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound0_1.0.2-1+lenny1_alpha.deb http://security.debian.org/pool/updates/main/u/unbound/unbound_1.0.2-1+lenny1_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/u/unbound/libunbound0_1.0.2-1+lenny1_amd64.deb http://security.debian.org/pool/updates/main/u/unbound/unbound_1.0.2-1+lenny1_amd64.deb http://security.debian.org/pool/updates/main/u/unbound/unbound-host_1.0.2-1+lenny1_amd64.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound-dev_1.0.2-1+lenny1_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/u/unbound/unbound-host_1.0.2-1+lenny1_arm.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound0_1.0.2-1+lenny1_arm.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound-dev_1.0.2-1+lenny1_arm.deb http://security.debian.org/pool/updates/main/u/unbound/unbound_1.0.2-1+lenny1_arm.deb armel (ARM EABI) http://security.debian.org/pool/updates/main/u/unbound/unbound_1.0.2-1+lenny1_armel.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound0_1.0.2-1+lenny1_armel.deb http://security.debian.org/pool/updates/main/u/unbound/unbound-host_1.0.2-1+lenny1_armel.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound-dev_1.0.2-1+lenny1_armel.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/u/unbound/libunbound0_1.0.2-1+lenny1_hppa.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound-dev_1.0.2-1+lenny1_hppa.deb http://security.debian.org/pool/updates/main/u/unbound/unbound_1.0.2-1+lenny1_hppa.deb http://security.debian.org/pool/updates/main/u/unbound/unbound-host_1.0.2-1+lenny1_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/u/unbound/unbound-host_1.0.2-1+lenny1_i386.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound0_1.0.2-1+lenny1_i386.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound-dev_1.0.2-1+lenny1_i386.deb http://security.debian.org/pool/updates/main/u/unbound/unbound_1.0.2-1+lenny1_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/u/unbound/unbound_1.0.2-1+lenny1_ia64.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound-dev_1.0.2-1+lenny1_ia64.deb http://security.debian.org/pool/updates/main/u/unbound/unbound-host_1.0.2-1+lenny1_ia64.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound0_1.0.2-1+lenny1_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/u/unbound/unbound_1.0.2-1+lenny1_mips.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound-dev_1.0.2-1+lenny1_mips.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound0_1.0.2-1+lenny1_mips.deb http://security.debian.org/pool/updates/main/u/unbound/unbound-host_1.0.2-1+lenny1_mips.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/u/unbound/libunbound-dev_1.0.2-1+lenny1_mipsel.deb http://security.debian.org/pool/updates/main/u/unbound/unbound-host_1.0.2-1+lenny1_mipsel.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound0_1.0.2-1+lenny1_mipsel.deb http://security.debian.org/pool/updates/main/u/unbound/unbound_1.0.2-1+lenny1_mipsel.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/u/unbound/unbound_1.0.2-1+lenny1_powerpc.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound-dev_1.0.2-1+lenny1_powerpc.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound0_1.0.2-1+lenny1_powerpc.deb http://security.debian.org/pool/updates/main/u/unbound/unbound-host_1.0.2-1+lenny1_powerpc.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/u/unbound/unbound_1.0.2-1+lenny1_s390.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound0_1.0.2-1+lenny1_s390.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound-dev_1.0.2-1+lenny1_s390.deb http://security.debian.org/pool/updates/main/u/unbound/unbound-host_1.0.2-1+lenny1_s390.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/u/unbound/unbound_1.0.2-1+lenny1_sparc.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound-dev_1.0.2-1+lenny1_sparc.deb http://security.debian.org/pool/updates/main/u/unbound/libunbound0_1.0.2-1+lenny1_sparc.deb http://security.debian.org/pool/updates/main/u/unbound/unbound-host_1.0.2-1+lenny1_sparc.deb |
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Standar resources |
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| Property | Value |
| CVE | CVE-2009-3602 |
| BID | |
Other resources |
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Debian Security Advisory (DSA-1963-1) http://lists.debian.org/debian-security-announce/2009/msg00285.html |
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Version history |
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| Version | Comments | Date |
| 1.0 | Aviso emitido | 2010-01-12 |
| 1.1 | Aviso emitido por Suse (SUSE-SA:2010:005) | 2010-03-04 |