Säkerhetsbulletin från Debian

DSA-1303-1 lighttpd -- överbelastningsattack

Rapporterat den:

2007-06-10

Berörda paket:

lighttpd

Sårbara:

Referenser i säkerhetsdatabaser:

I Debians felrapporteringssystem: Fel 422254.
I Mitres CVE-förteckning: CVE-2007-1870, CVE-2007-1869.

Ytterligare information:

Två problem har upptäckts i lighttpd, en snabb webbserver med ett minimal minnesavtryck, vilket kunde göra en överbelastningsattack möjlig. Projektet Common Vulnerabilities and Exposures identifierar följande problem:

CVE-2007-1869
Angripare utifrån kunde utföra en överbelastningsattack genom att koppla från halvvägs in i ett anrop.
CVE-2007-1870
En avreferering av NULL-pekare kunde orsaka en krasch när filer med mtime 0 sändes.

För den stabila utgåvan (Etch) har dessa problem rättats i version 1.4.13-4etch1.

För den instabila utgåvan (Sid) har dessa problem rättats i version 1.4.14-1.

Vi rekommenderar att ni uppgraderar ert lighttpd-paket.

Rättat i:

Debian GNU/Linux 4.0 (etch)

Källkod:: http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch1.dsc; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch1.diff.gz; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13.orig.tar.gz
Arkitekturoberoende komponent:: http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-doc_1.4.13-4etch1_all.deb
Alpha:: http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch1_alpha.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch1_alpha.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch1_alpha.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch1_alpha.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch1_alpha.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch1_alpha.deb
AMD64:: http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch1_amd64.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch1_amd64.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch1_amd64.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch1_amd64.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch1_amd64.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch1_amd64.deb
ARM:: http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch1_arm.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch1_arm.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch1_arm.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch1_arm.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch1_arm.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch1_arm.deb
HPPA:: http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch1_hppa.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch1_hppa.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch1_hppa.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch1_hppa.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch1_hppa.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch1_hppa.deb
Intel IA-32:: http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch1_i386.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch1_i386.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch1_i386.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch1_i386.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch1_i386.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch1_i386.deb
Intel IA-64:: http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch1_ia64.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch1_ia64.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch1_ia64.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch1_ia64.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch1_ia64.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch1_ia64.deb
Big endian MIPS:: http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch1_mips.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch1_mips.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch1_mips.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch1_mips.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch1_mips.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch1_mips.deb
Little endian MIPS:: http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch1_mipsel.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch1_mipsel.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch1_mipsel.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch1_mipsel.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch1_mipsel.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch1_mipsel.deb
PowerPC:: http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch1_powerpc.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch1_powerpc.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch1_powerpc.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch1_powerpc.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch1_powerpc.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch1_powerpc.deb
IBM S/390:: http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch1_s390.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch1_s390.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch1_s390.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch1_s390.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch1_s390.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch1_s390.deb
Sun Sparc:: http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd_1.4.13-4etch1_sparc.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-cml_1.4.13-4etch1_sparc.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-magnet_1.4.13-4etch1_sparc.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-mysql-vhost_1.4.13-4etch1_sparc.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-trigger-b4-dl_1.4.13-4etch1_sparc.deb; http://security.debian.org/pool/updates/main/l/lighttpd/lighttpd-mod-webdav_1.4.13-4etch1_sparc.deb

MD5-kontrollsummor för dessa filer finns i originalbulletinen.