Vulnerability Bulletins |
Denegación de servicio en Perl |
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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 | Perl 5.8.8 |
Description |
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Se ha encontrado una vulnerabilidad de tipo desbordamiento de búfer en Perl 5.8.8. La vulnerabilidad reside en un error de doble liberación de memoria al procesar ciertas expresiones regulares con caracteres Unicode. Un atacante remoto podría causar una denegación de servicio (consumición de memoria y crash) mediante una expresión regular con caracteres UTF8. |
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Solution |
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Actualización de software Debian (DSA-1556-2) Debian Linux 4.0 Source http://security.debian.org/pool/updates/main/p/perl/perl_5.8.8-7etch3.dsc http://security.debian.org/pool/updates/main/p/perl/perl_5.8.8.orig.tar.gz http://security.debian.org/pool/updates/main/p/perl/perl_5.8.8-7etch3.diff.gz Arquitectura independiente http://security.debian.org/pool/updates/main/p/perl/perl-modules_5.8.8-7etch3_all.deb http://security.debian.org/pool/updates/main/p/perl/perl-doc_5.8.8-7etch3_all.deb http://security.debian.org/pool/updates/main/p/perl/libcgi-fast-perl_5.8.8-7etch3_all.deb alpha (DEC Alpha) http://security.debian.org/pool/updates/main/p/perl/perl-debug_5.8.8-7etch3_alpha.deb http://security.debian.org/pool/updates/main/p/perl/libperl5.8_5.8.8-7etch3_alpha.deb http://security.debian.org/pool/updates/main/p/perl/perl_5.8.8-7etch3_alpha.deb http://security.debian.org/pool/updates/main/p/perl/perl-base_5.8.8-7etch3_alpha.deb http://security.debian.org/pool/updates/main/p/perl/libperl-dev_5.8.8-7etch3_alpha.deb http://security.debian.org/pool/updates/main/p/perl/perl-suid_5.8.8-7etch3_alpha.deb amd64 (AMD x86_64 (AMD64)) http://security.debian.org/pool/updates/main/p/perl/libperl-dev_5.8.8-7etch3_amd64.deb http://security.debian.org/pool/updates/main/p/perl/perl-debug_5.8.8-7etch3_amd64.deb http://security.debian.org/pool/updates/main/p/perl/libperl5.8_5.8.8-7etch3_amd64.deb http://security.debian.org/pool/updates/main/p/perl/perl-suid_5.8.8-7etch3_amd64.deb http://security.debian.org/pool/updates/main/p/perl/perl-base_5.8.8-7etch3_amd64.deb http://security.debian.org/pool/updates/main/p/perl/perl_5.8.8-7etch3_amd64.deb arm (ARM) http://security.debian.org/pool/updates/main/p/perl/perl_5.8.8-7etch3_arm.deb http://security.debian.org/pool/updates/main/p/perl/perl-suid_5.8.8-7etch3_arm.deb http://security.debian.org/pool/updates/main/p/perl/perl-debug_5.8.8-7etch3_arm.deb http://security.debian.org/pool/updates/main/p/perl/libperl-dev_5.8.8-7etch3_arm.deb http://security.debian.org/pool/updates/main/p/perl/libperl5.8_5.8.8-7etch3_arm.deb http://security.debian.org/pool/updates/main/p/perl/perl-base_5.8.8-7etch3_arm.deb hppa (HP PA RISC) http://security.debian.org/pool/updates/main/p/perl/libperl-dev_5.8.8-7etch3_hppa.deb http://security.debian.org/pool/updates/main/p/perl/libperl5.8_5.8.8-7etch3_hppa.deb http://security.debian.org/pool/updates/main/p/perl/perl-debug_5.8.8-7etch3_hppa.deb http://security.debian.org/pool/updates/main/p/perl/perl_5.8.8-7etch3_hppa.deb http://security.debian.org/pool/updates/main/p/perl/perl-suid_5.8.8-7etch3_hppa.deb http://security.debian.org/pool/updates/main/p/perl/perl-base_5.8.8-7etch3_hppa.deb i386 (Intel ia32) http://security.debian.org/pool/updates/main/p/perl/libperl-dev_5.8.8-7etch3_i386.deb http://security.debian.org/pool/updates/main/p/perl/perl-base_5.8.8-7etch3_i386.deb http://security.debian.org/pool/updates/main/p/perl/perl_5.8.8-7etch3_i386.deb http://security.debian.org/pool/updates/main/p/perl/perl-debug_5.8.8-7etch3_i386.deb http://security.debian.org/pool/updates/main/p/perl/libperl5.8_5.8.8-7etch3_i386.deb http://security.debian.org/pool/updates/main/p/perl/perl-suid_5.8.8-7etch3_i386.deb ia64 (Intel ia64) http://security.debian.org/pool/updates/main/p/perl/libperl5.8_5.8.8-7etch3_ia64.deb http://security.debian.org/pool/updates/main/p/perl/perl-debug_5.8.8-7etch3_ia64.deb http://security.debian.org/pool/updates/main/p/perl/perl_5.8.8-7etch3_ia64.deb http://security.debian.org/pool/updates/main/p/perl/perl-suid_5.8.8-7etch3_ia64.deb http://security.debian.org/pool/updates/main/p/perl/libperl-dev_5.8.8-7etch3_ia64.deb http://security.debian.org/pool/updates/main/p/perl/perl-base_5.8.8-7etch3_ia64.deb mips (MIPS (Big Endian)) http://security.debian.org/pool/updates/main/p/perl/perl-suid_5.8.8-7etch3_mips.deb http://security.debian.org/pool/updates/main/p/perl/perl_5.8.8-7etch3_mips.deb http://security.debian.org/pool/updates/main/p/perl/libperl-dev_5.8.8-7etch3_mips.deb http://security.debian.org/pool/updates/main/p/perl/perl-base_5.8.8-7etch3_mips.deb http://security.debian.org/pool/updates/main/p/perl/perl-debug_5.8.8-7etch3_mips.deb http://security.debian.org/pool/updates/main/p/perl/libperl5.8_5.8.8-7etch3_mips.deb mipsel (MIPS (Little Endian)) http://security.debian.org/pool/updates/main/p/perl/perl_5.8.8-7etch3_mipsel.deb http://security.debian.org/pool/updates/main/p/perl/perl-suid_5.8.8-7etch3_mipsel.deb http://security.debian.org/pool/updates/main/p/perl/perl-base_5.8.8-7etch3_mipsel.deb http://security.debian.org/pool/updates/main/p/perl/perl-debug_5.8.8-7etch3_mipsel.deb http://security.debian.org/pool/updates/main/p/perl/libperl5.8_5.8.8-7etch3_mipsel.deb http://security.debian.org/pool/updates/main/p/perl/libperl-dev_5.8.8-7etch3_mipsel.deb powerpc (PowerPC) http://security.debian.org/pool/updates/main/p/perl/perl-base_5.8.8-7etch3_powerpc.deb http://security.debian.org/pool/updates/main/p/perl/perl-suid_5.8.8-7etch3_powerpc.deb http://security.debian.org/pool/updates/main/p/perl/libperl5.8_5.8.8-7etch3_powerpc.deb http://security.debian.org/pool/updates/main/p/perl/perl_5.8.8-7etch3_powerpc.deb http://security.debian.org/pool/updates/main/p/perl/libperl-dev_5.8.8-7etch3_powerpc.deb http://security.debian.org/pool/updates/main/p/perl/perl-debug_5.8.8-7etch3_powerpc.deb s390 (IBM S/390) http://security.debian.org/pool/updates/main/p/perl/perl-suid_5.8.8-7etch3_s390.deb http://security.debian.org/pool/updates/main/p/perl/perl_5.8.8-7etch3_s390.deb http://security.debian.org/pool/updates/main/p/perl/libperl5.8_5.8.8-7etch3_s390.deb http://security.debian.org/pool/updates/main/p/perl/perl-debug_5.8.8-7etch3_s390.deb http://security.debian.org/pool/updates/main/p/perl/perl-base_5.8.8-7etch3_s390.deb http://security.debian.org/pool/updates/main/p/perl/libperl-dev_5.8.8-7etch3_s390.deb Red Hat (RHSA-2008:0522-4) 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/ Suse Linux Las actualizaciones pueden descargarse mediante YAST o del servidor FTP oficial de Suse Linux. |
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Standar resources |
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| Property | Value |
| CVE | CVE-2008-1927 |
| BID | |
Other resources |
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Debian Security Advisory (DSA-1556-1) http://lists.debian.org/debian-security-announce/2008/msg00127.html Debian Security Advisory (DSA-1556-2) http://lists.debian.org/debian-security-announce/2008/msg00133.html Red Hat Security Advisory (RHSA-2008:0522-4) https://rhn.redhat.com/errata/RHSA-2008-0522.html SUSE Security Advisory (SUSE-SR:2008:017) http://www.novell.com/linux/security/advisories/2008_17_sr.html |
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Version history |
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| Version | Comments | Date |
| 1.0 | Aviso emitido | 2008-04-25 |
| 1.1 | Aviso actualizado por Debian (DSA-1556-2) | 2008-05-06 |
| 1.2 | Aviso emitido por Red Hat (RHSA-2008:0522-4) | 2008-06-19 |
| 1.3 | Aviso emitido por Suse (SUSE-SR:2008:017) | 2008-09-01 |