Vulnerability Bulletins |
Desbordamiento de búfer en lighttpd |
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Vulnerability classification |
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Property | Value |
Confidence level | Oficial |
Impact | Obtener acceso |
Dificulty | Experto |
Required attacker level | Acceso remoto sin cuenta a un servicio estandar |
System information |
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Property | Value |
Affected manufacturer | Networking |
Affected software | lighttpd < 1.4.18 |
Description |
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Se ha encontrado una vulnerabilidad del tipo desbordamiento de búfer en lighttpd en las versiones anteriores a la 1.4.18 en el archivo mod_proxy_backend_fastcgi.c en la función fcgi_env_add. La vulnerabilidad reside en un error en la extensión mod_fastcgi. Un atacante remoto podría sobrescribir variables CGI de forma arbitraria y ejecutar código arbitrario mediante una petición HTTP con un valor grande en el campo content length. |
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Solution |
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Actualización de software Debian (DSA 1362-2) Debian Linux 4.0 Source http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4.dsc http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4.diff.gz Architecture independent http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-doc_1.4.13-4etch4_all.deb alpha http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4_alpha.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch4_alpha.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch4_alpha.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch4_alpha.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch4_alpha.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch4_alpha.deb amd64 http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch4_amd64.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4_amd64.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch4_amd64.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch4_amd64.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch4_amd64.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch4_amd64.deb arm http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch4_arm.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch4_arm.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch4_arm.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4_arm.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch4_arm.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch4_arm.deb hppa http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch4_hppa.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch4_hppa.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch4_hppa.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch4_hppa.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch4_hppa.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4_hppa.deb i386 http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch4_i386.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch4_i386.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch4_i386.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4_i386.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch4_i386.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch4_i386.deb ia64 http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch4_ia64.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch4_ia64.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4_ia64.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch4_ia64.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch4_ia64.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch4_ia64.deb mips http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch4_mips.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch4_mips.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch4_mips.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4_mips.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch4_mips.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch4_mips.deb powerpc http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch4_powerpc.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch4_powerpc.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch4_powerpc.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch4_powerpc.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch4_powerpc.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4_powerpc.deb sparc http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch4_sparc.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch4_sparc.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch4_sparc.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch4_sparc.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch4_sparc.deb http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch4_sparc.deb 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-2007-4727 |
BID | 25622 |
Other resources |
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Debian Security Advisory (DSA 1362-2) http://lists.debian.org/debian-security-announce/debian-security-announce-2007/msg00156.html SUSE Security Summary Report (SUSE-SR:2007:020) http://www.novell.com/linux/security/advisories/2007_20_sr.html |
Version history |
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Version | Comments | Date |
1.0 | Aviso emitido | 2007-10-08 |
1.1 | Aviso emitido por Suse (SUSE-SR:2007:020) | 2007-10-15 |