Vulnerability Bulletins |
Denegación de servicio en dhcpcd |
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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 | dhcpcd |
Description |
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Se ha descubierto una vulnerabilidad en el cliente DHCP dhcpcd. La vulnerabilidad reside en que dhcpcd, bajo determinadas circunstancias, puede intentar acceder a una zona de memoria incorrecta para lectura. La explotación de esta vulnerabilidad puede permitir a un atacante remoto provocar una situación de denegación de servicio del cliente dhcpcd. |
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Solution |
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Actualización de software Debian Linux Debian Linux 3.1 Source http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1.dsc http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1.diff.gz http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4.orig.tar.gz Alpha http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_alpha.deb ARM http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_arm.deb Intel IA-32 http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_i386.deb Intel IA-64 http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_ia64.deb HP Precision architecture: http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_hppa.deb Motorola 680x0 http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_m68k.deb Big endian MIPS http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_mips.deb Little endian MIPS http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_mipsel.deb PowerPC http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_powerpc.deb IBM S/390 http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_s390.deb Sun Sparc http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_sparc.deb Mandriva Linux Mandrakelinux 10.1 x86 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/RPMS/dhcpcd-1.3.22pl4-4.1.101mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.1/SRPMS/dhcpcd-1.3.22pl4-4.1.101mdk.src.rpm X86_64 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/RPMS/dhcpcd-1.3.22pl4-4.1.101mdk.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.1/SRPMS/dhcpcd-1.3.22pl4-4.1.101mdk.src.rpm Corporate Server 3.0 x86 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/RPMS/dhcpcd-1.3.22pl4-4.1.C30mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/corporate/3.0/SRPMS/dhcpcd-1.3.22pl4-4.1.C30mdk.src.rpm X86_64 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/RPMS/dhcpcd-1.3.22pl4-4.1.C30mdk.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/corporate/3.0/SRPMS/dhcpcd-1.3.22pl4-4.1.C30mdk.src.rpm Mandrivalinux LE2005 x86 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/RPMS/dhcpcd-1.3.22pl4-4.1.102mdk.i586.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/10.2/SRPMS/dhcpcd-1.3.22pl4-4.1.102mdk.src.rpm X86_64 ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/RPMS/dhcpcd-1.3.22pl4-4.1.102mdk.x86_64.rpm ftp://ftp.ps.pl/mirrors/Mandrakelinux/official/updates/x86_64/10.2/SRPMS/dhcpcd-1.3.22pl4-4.1.102mdk.src.rpm SUSE Linux Actualizar mediante YaST Online Update Red Hat Linux Red Hat Enterprise Linux AS (v. 2.1) Red Hat Enterprise Linux ES (v. 2.1) Red Hat Enterprise Linux WS (v. 2.1) Red Hat Linux Advanced Workstation 2.1 Itanium Processor https://rhn.redhat.com/ Debian (DSA 773-1) Debian Linux 3.1 AMD64 http://security.debian.org/pool/updates/main/d/dhcpcd/dhcpcd_1.3.22pl4-21sarge1_amd64.deb |
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Standar resources |
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| Property | Value |
| CVE | CAN-2005-1848 |
| BID | |
Other resources |
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Debian Security Advisory DSA 750-1 http://lists.debian.org/debian-security-announce/debian-security-announce-2005/msg00135.html Mandriva Security Advisories MDKSA-2005:117 http://www.mandriva.com/security/advisories?name=MDKSA-2005:117 SUSE Security Summary Report SUSE-SR:2005:017 http://www.novell.com/linux/security/advisories/2005_17_sr.html Red Hat Security Advisory RHSA-2005:603-07 https://rhn.redhat.com/errata/RHSA-2005-603.html Debian Security Advisory DSA 773-1 http://lists.debian.org/debian-security-announce/debian-security-announce-2005/msg00160.html |
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Version history |
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| Version | Comments | Date |
| 1.0 | Aviso emitido | 2005-07-11 |
| 1.1 | Aviso emitido por Mandriva (MDKSA-2005:117) | 2005-07-13 |
| 1.2 | Aviso emitido por SUSE (SUSE-SR:2005:017) | 2005-07-14 |
| 1.3 | Aviso emitido por Red Hat (RHSA-2005:603-07) | 2005-07-28 |
| 1.4 | Aviso emitido por Debian (DSA 773-1) | 2005-08-31 |