Vulnerability Bulletins |
Denegación de servicio en Net-SNMP |
|
Vulnerability classification |
|
| Property | Value |
| Confidence level | Oficial |
| Impact | Denegación de Servicio |
| Dificulty | Experto |
| Required attacker level | Acceso remoto sin cuenta a un servicio estandar |
System information |
|
| Property | Value |
| Affected manufacturer | GNU/Linux |
| Affected software |
Net-SNMP 5.4 < 5.4.2.1 Net-SNMP 5.3 < 5.3.2.3 Net-SNMP 5.2 < 5.2.5.1 |
Description |
|
|
Se ha descubierto una vulnerabilidad en Net-SNMP 5.x. La vulnerabilidad reside en un error en el manejo de peticiones GETBULK. Un atacante remoto con acceso de lectura al servidor SNMP podría causar una denegación de servicio mediante peticiones GETBULK especialmente diseñadas. |
|
Solution |
|
|
Actualización de software Red Hat (RHSA-2008:0971-6) 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 Desktop (v. 5 cliente) Red Hat Enterprise Linux ES (v. 3) Red Hat Enterprise Linux ES (v. 4) Red Hat Enterprise Linux WS (v. 3) Red Hat Enterprise Linux WS (v. 4) https://rhn.redhat.com/ Debian (DSA-1663-1) Debian Linux 4.0 Source http://security.debian.org/pool/updates/main/n/net-snmp/net-snmp_5.2.3-7etch4.diff.gz http://security.debian.org/pool/updates/main/n/net-snmp/net-snmp_5.2.3-7etch4.dsc http://security.debian.org/pool/updates/main/n/net-snmp/net-snmp_5.2.3.orig.tar.gz Arquitectura independiente: http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp-base_5.2.3-7etch4_all.deb http://security.debian.org/pool/updates/main/n/net-snmp/tkmib_5.2.3-7etch4_all.deb alpha (DEC Alpha) http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9-dev_5.2.3-7etch4_alpha.deb http://security.debian.org/pool/updates/main/n/net-snmp/snmp_5.2.3-7etch4_alpha.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9_5.2.3-7etch4_alpha.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp-perl_5.2.3-7etch4_alpha.deb http://security.debian.org/pool/updates/main/n/net-snmp/snmpd_5.2.3-7etch4_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/n/net-snmp/snmp_5.2.3-7etch4_amd64.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9_5.2.3-7etch4_amd64.deb http://security.debian.org/pool/updates/main/n/net-snmp/snmpd_5.2.3-7etch4_amd64.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp-perl_5.2.3-7etch4_amd64.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9-dev_5.2.3-7etch4_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp-perl_5.2.3-7etch4_arm.deb http://security.debian.org/pool/updates/main/n/net-snmp/snmpd_5.2.3-7etch4_arm.deb http://security.debian.org/pool/updates/main/n/net-snmp/snmp_5.2.3-7etch4_arm.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9_5.2.3-7etch4_arm.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9-dev_5.2.3-7etch4_arm.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/n/net-snmp/snmpd_5.2.3-7etch4_hppa.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9-dev_5.2.3-7etch4_hppa.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9_5.2.3-7etch4_hppa.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp-perl_5.2.3-7etch4_hppa.deb http://security.debian.org/pool/updates/main/n/net-snmp/snmp_5.2.3-7etch4_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9-dev_5.2.3-7etch4_i386.deb http://security.debian.org/pool/updates/main/n/net-snmp/snmpd_5.2.3-7etch4_i386.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp-perl_5.2.3-7etch4_i386.deb http://security.debian.org/pool/updates/main/n/net-snmp/snmp_5.2.3-7etch4_i386.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9_5.2.3-7etch4_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9_5.2.3-7etch4_ia64.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp-perl_5.2.3-7etch4_ia64.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9-dev_5.2.3-7etch4_ia64.deb http://security.debian.org/pool/updates/main/n/net-snmp/snmpd_5.2.3-7etch4_ia64.deb http://security.debian.org/pool/updates/main/n/net-snmp/snmp_5.2.3-7etch4_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp-perl_5.2.3-7etch4_mips.deb http://security.debian.org/pool/updates/main/n/net-snmp/snmp_5.2.3-7etch4_mips.deb http://security.debian.org/pool/updates/main/n/net-snmp/snmpd_5.2.3-7etch4_mips.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9-dev_5.2.3-7etch4_mips.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9_5.2.3-7etch4_mips.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9-dev_5.2.3-7etch4_mipsel.deb http://security.debian.org/pool/updates/main/n/net-snmp/snmp_5.2.3-7etch4_mipsel.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp-perl_5.2.3-7etch4_mipsel.deb http://security.debian.org/pool/updates/main/n/net-snmp/snmpd_5.2.3-7etch4_mipsel.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9_5.2.3-7etch4_mipsel.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/n/net-snmp/snmp_5.2.3-7etch4_powerpc.deb http://security.debian.org/pool/updates/main/n/net-snmp/snmpd_5.2.3-7etch4_powerpc.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9-dev_5.2.3-7etch4_powerpc.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9_5.2.3-7etch4_powerpc.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp-perl_5.2.3-7etch4_powerpc.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9-dev_5.2.3-7etch4_s390.deb http://security.debian.org/pool/updates/main/n/net-snmp/snmp_5.2.3-7etch4_s390.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9_5.2.3-7etch4_s390.deb http://security.debian.org/pool/updates/main/n/net-snmp/snmpd_5.2.3-7etch4_s390.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp-perl_5.2.3-7etch4_s390.deb sparc (Sun SPARC/UltraSPARC) http://security.debian.org/pool/updates/main/n/net-snmp/snmp_5.2.3-7etch4_sparc.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9-dev_5.2.3-7etch4_sparc.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp-perl_5.2.3-7etch4_sparc.deb http://security.debian.org/pool/updates/main/n/net-snmp/snmpd_5.2.3-7etch4_sparc.deb http://security.debian.org/pool/updates/main/n/net-snmp/libsnmp9_5.2.3-7etch4_sparc.deb Suse Linux Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux. Sun (262908) De momento, no existe parche oficial para esta vulnerabilidad. http://sunsolve.sun.com/pub-cgi/show.pl?target=patchpage |
|
Standar resources |
|
| Property | Value |
| CVE | CVE-2008-4309 |
| BID | |
Other resources |
|
|
Red Hat Security Advisory (RHSA-2008:0971-6) https://rhn.redhat.com/errata/RHSA-2008-0971.html Debian Security Advisory (DSA-1663-1) http://lists.debian.org/debian-security-announce/2008/msg00255.html SUSE Security Advisory (SUSE-SR:2009:003) http://www.novell.com/linux/security/advisories/2009_3_sr.html Sun Alert Notification (262908) http://sunsolve.sun.com/search/document.do?assetkey=1-66-262908-1 |
|
Version history |
||
| Version | Comments | Date |
| 1.0 | Aviso emitido | 2008-11-04 |
| 1.1 | Aviso emitido por Debian (DSA-1663-1) | 2008-11-10 |
| 1.2 | Aviso emitido por Suse (SUSE-SR:2009:003) | 2009-02-06 |
| 1.3 | Aviso emitido por Sun (262908) | 2009-07-03 |