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DSA-1635-1 freetype -- flera sårbarheter

Rapporterat den:

2008-09-10

Berörda paket:

freetype

Sårbara:

Referenser i säkerhetsdatabaser:

I Mitres CVE-förteckning: CVE-2008-1806, CVE-2008-1807, CVE-2008-1808.

Ytterligare information:

Flera lokala sårbarheter har upptäckts i freetype, en FreeType 2-teckensnittsmotor, vilka kunde leda till exekvering av godtycklig kod.

Projektet Common Vulnerabilities and Exposures identifierar följande problem:

CVE-2008-1806
Ett heltalsspill gjorde det möjligt för sammanhangsberoende angrepp att exekvera godtycklig kod via en specialskriven uppsättning värden i tabellen för privat uppslagstabell i en PFB-fil (Printer Font Binary).
CVE-2008-1807
Hanteringen av ogiltiga ”antar axlar”-fält i PFB-filen kunde utlösa en frigörning av godtyckliga minnesområden, vilket ledde till minnessönderskrivning.
CVE-2008-1808
Flera stegfel gjorde det möjligt att exekvera godtycklig kod via felformade tabeller i PFB-filer, eller ogiltiga SHC-instruktioner i TTF-filer.

För den stabila utgåvan (Etch) har dessa problem rättats i version 2.2.1-5+etch3.

För den instabila utgåvan (Sid) har dessa problem rättats i version 2.3.6-1.

Vi rekommenderar att ni uppgraderar ert freetype-paket.

Rättat i:

Debian GNU/Linux 4.0 (etch)

Källkod:: http://security.debian.org/pool/updates/main/f/freetype/freetype_2.2.1-5+etch3.diff.gz; http://security.debian.org/pool/updates/main/f/freetype/freetype_2.2.1-5+etch3.dsc
Alpha:: http://security.debian.org/pool/updates/main/f/freetype/freetype2-demos_2.2.1-5+etch3_alpha.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-dev_2.2.1-5+etch3_alpha.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6_2.2.1-5+etch3_alpha.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-udeb_2.2.1-5+etch3_alpha.udeb
AMD64:: http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-dev_2.2.1-5+etch3_amd64.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-udeb_2.2.1-5+etch3_amd64.udeb; http://security.debian.org/pool/updates/main/f/freetype/freetype2-demos_2.2.1-5+etch3_amd64.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6_2.2.1-5+etch3_amd64.deb
ARM:: http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-dev_2.2.1-5+etch3_arm.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6_2.2.1-5+etch3_arm.deb; http://security.debian.org/pool/updates/main/f/freetype/freetype2-demos_2.2.1-5+etch3_arm.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-udeb_2.2.1-5+etch3_arm.udeb
HP Precision:: http://security.debian.org/pool/updates/main/f/freetype/libfreetype6_2.2.1-5+etch3_hppa.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-udeb_2.2.1-5+etch3_hppa.udeb; http://security.debian.org/pool/updates/main/f/freetype/freetype2-demos_2.2.1-5+etch3_hppa.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-dev_2.2.1-5+etch3_hppa.deb
Intel IA-32:: http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-dev_2.2.1-5+etch3_i386.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6_2.2.1-5+etch3_i386.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-udeb_2.2.1-5+etch3_i386.udeb; http://security.debian.org/pool/updates/main/f/freetype/freetype2-demos_2.2.1-5+etch3_i386.deb
Intel IA-64:: http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-udeb_2.2.1-5+etch3_ia64.udeb; http://security.debian.org/pool/updates/main/f/freetype/freetype2-demos_2.2.1-5+etch3_ia64.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6_2.2.1-5+etch3_ia64.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-dev_2.2.1-5+etch3_ia64.deb
Big-endian MIPS:: http://security.debian.org/pool/updates/main/f/freetype/freetype2-demos_2.2.1-5+etch3_mips.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-udeb_2.2.1-5+etch3_mips.udeb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6_2.2.1-5+etch3_mips.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-dev_2.2.1-5+etch3_mips.deb
Little-endian MIPS:: http://security.debian.org/pool/updates/main/f/freetype/libfreetype6_2.2.1-5+etch3_mipsel.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-udeb_2.2.1-5+etch3_mipsel.udeb; http://security.debian.org/pool/updates/main/f/freetype/freetype2-demos_2.2.1-5+etch3_mipsel.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-dev_2.2.1-5+etch3_mipsel.deb
PowerPC:: http://security.debian.org/pool/updates/main/f/freetype/freetype2-demos_2.2.1-5+etch3_powerpc.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-udeb_2.2.1-5+etch3_powerpc.udeb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6_2.2.1-5+etch3_powerpc.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-dev_2.2.1-5+etch3_powerpc.deb
Sun Sparc:: http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-udeb_2.2.1-5+etch3_sparc.udeb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6_2.2.1-5+etch3_sparc.deb; http://security.debian.org/pool/updates/main/f/freetype/libfreetype6-dev_2.2.1-5+etch3_sparc.deb; http://security.debian.org/pool/updates/main/f/freetype/freetype2-demos_2.2.1-5+etch3_sparc.deb

MD5-kontrollsummor för dessa filer finns i originalbulletinen.