Säkerhetsbulletin från Debian

DSA-1631-2 libxml2 -- överbelastningsattack

Rapporterat den:

2008-08-22

Berörda paket:

libxml2

Sårbara:

Referenser i säkerhetsdatabaser:

I Mitres CVE-förteckning: CVE-2008-3281.

Ytterligare information:

Andreas Solberg upptäckte att libxml2, GNOMEs XML-bibliotek, kunde tvingas att beräkna entiteter rekursivt till dess att tillgängliga processor- och minnesresurser tagit slut.

För den stabila utgåvan (Etch) har detta problem rättats i version 2.6.27.dfsg-4.

För den instabila utgåvan (Sid) har detta problem rättats i version 2.6.32.dfsg-3.

Vi rekommenderar att ni uppgraderar ert libxml2-paket.

Rättat i:

Debian GNU/Linux 4.0 (etch)

Källkod:: http://security.debian.org/pool/updates/main/libx/libxml2/libxml2_2.6.27.dfsg.orig.tar.gz; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2_2.6.27.dfsg-4.dsc; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2_2.6.27.dfsg-4.diff.gz
Arkitekturoberoende komponent:: http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-doc_2.6.27.dfsg-4_all.deb
Alpha:: http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-utils_2.6.27.dfsg-4_alpha.deb; http://security.debian.org/pool/updates/main/libx/libxml2/python-libxml2_2.6.27.dfsg-4_alpha.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dbg_2.6.27.dfsg-4_alpha.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dev_2.6.27.dfsg-4_alpha.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2_2.6.27.dfsg-4_alpha.deb
AMD64:: http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-utils_2.6.27.dfsg-4_amd64.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dbg_2.6.27.dfsg-4_amd64.deb; http://security.debian.org/pool/updates/main/libx/libxml2/python-libxml2_2.6.27.dfsg-4_amd64.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dev_2.6.27.dfsg-4_amd64.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2_2.6.27.dfsg-4_amd64.deb
ARM:: http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dev_2.6.27.dfsg-4_arm.deb; http://security.debian.org/pool/updates/main/libx/libxml2/python-libxml2_2.6.27.dfsg-4_arm.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-utils_2.6.27.dfsg-4_arm.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dbg_2.6.27.dfsg-4_arm.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2_2.6.27.dfsg-4_arm.deb
HP Precision:: http://security.debian.org/pool/updates/main/libx/libxml2/python-libxml2_2.6.27.dfsg-4_hppa.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dev_2.6.27.dfsg-4_hppa.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-utils_2.6.27.dfsg-4_hppa.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dbg_2.6.27.dfsg-4_hppa.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2_2.6.27.dfsg-4_hppa.deb
Intel IA-32:: http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dbg_2.6.27.dfsg-4_i386.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dev_2.6.27.dfsg-4_i386.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2_2.6.27.dfsg-4_i386.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-utils_2.6.27.dfsg-4_i386.deb; http://security.debian.org/pool/updates/main/libx/libxml2/python-libxml2_2.6.27.dfsg-4_i386.deb
Intel IA-64:: http://security.debian.org/pool/updates/main/libx/libxml2/libxml2_2.6.27.dfsg-4_ia64.deb; http://security.debian.org/pool/updates/main/libx/libxml2/python-libxml2_2.6.27.dfsg-4_ia64.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dev_2.6.27.dfsg-4_ia64.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dbg_2.6.27.dfsg-4_ia64.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-utils_2.6.27.dfsg-4_ia64.deb
Little-endian MIPS:: http://security.debian.org/pool/updates/main/libx/libxml2/python-libxml2_2.6.27.dfsg-4_mipsel.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dev_2.6.27.dfsg-4_mipsel.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2_2.6.27.dfsg-4_mipsel.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dbg_2.6.27.dfsg-4_mipsel.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-utils_2.6.27.dfsg-4_mipsel.deb
PowerPC:: http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dbg_2.6.27.dfsg-4_powerpc.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2_2.6.27.dfsg-4_powerpc.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-utils_2.6.27.dfsg-4_powerpc.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dev_2.6.27.dfsg-4_powerpc.deb; http://security.debian.org/pool/updates/main/libx/libxml2/python-libxml2_2.6.27.dfsg-4_powerpc.deb
IBM S/390:: http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dev_2.6.27.dfsg-4_s390.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dbg_2.6.27.dfsg-4_s390.deb; http://security.debian.org/pool/updates/main/libx/libxml2/python-libxml2_2.6.27.dfsg-4_s390.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-utils_2.6.27.dfsg-4_s390.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2_2.6.27.dfsg-4_s390.deb
Sun Sparc:: http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dbg_2.6.27.dfsg-4_sparc.deb; http://security.debian.org/pool/updates/main/libx/libxml2/python-libxml2_2.6.27.dfsg-4_sparc.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-utils_2.6.27.dfsg-4_sparc.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2_2.6.27.dfsg-4_sparc.deb; http://security.debian.org/pool/updates/main/libx/libxml2/libxml2-dev_2.6.27.dfsg-4_sparc.deb

MD5-kontrollsummor för dessa filer finns i originalbulletinen.