Aviso de seguridad de Debian

DSA-213-1 libpng -- desbordamiento de búfer

Fecha del informe:
19 de dic de 2002
Paquetes afectados:
libpng, libpng3
Vulnerable:
Referencias a bases de datos de seguridad:
En la base de datos de Bugtraq (en SecurityFocus): Id. en BugTraq 6431.
En el diccionario CVE de Mitre: CVE-2002-1363.
Información adicional:

Glenn Randers-Pehrson descubrió un problema en una conexión con ejemplos de 16 bits en libpng, un interfaz para leer y escribir archivos de formato PNG (Portable Network Graphics). Los desplazamientos de comienzo para los bucles se calculaban incorrectamente, lo que causaba un desbordamiento de búfer más allá del comienzo del búfer de filas.

Para la distribución estable actual (woody), este problema se ha corregido en la versión 1.0.12-3.woody.3 para libpng y en la versión 1.2.1-1.1.woody.3 para libpng3.

Para la distribución estable anterior (potato), este problema se ha corregido en la versión 1.0.5-1.1 para libpng. No hay más paquetes de libpng.

Para la distribución inestable (sid), este problema se ha corregido en la versión 1.0.12-7 para libpng y en la versión 1.2.5-8 para libpng3.

Le recomendamos que actualice los paquetes de libpng.

Arreglado en:

Debian GNU/Linux 2.2 (potato)

Fuentes:
http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.0.5-1.1.dsc
http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.0.5-1.1.diff.gz
http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.0.5.orig.tar.gz
Alpha:
http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.5-1.1_alpha.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.5-1.1_alpha.deb
ARM:
http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.5-1.1_arm.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.5-1.1_arm.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.5-1.1_i386.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.5-1.1_i386.deb
Motorola 680x0:
http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.5-1.1_m68k.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.5-1.1_m68k.deb
PowerPC:
http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.5-1.1_powerpc.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.5-1.1_powerpc.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.5-1.1_sparc.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.5-1.1_sparc.deb

Debian GNU/Linux 3.0 (woody)

Fuentes:
http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.0.12-3.woody.3.dsc
http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.0.12-3.woody.3.diff.gz
http://security.debian.org/pool/updates/main/libp/libpng/libpng_1.0.12.orig.tar.gz
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.3.dsc
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.3.diff.gz
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1.orig.tar.gz
Alpha:
http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.3_alpha.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.3_alpha.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.3_alpha.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.3_alpha.deb
ARM:
http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.3_arm.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.3_arm.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.3_arm.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.3_arm.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.3_i386.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.3_i386.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.3_i386.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.3_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.3_ia64.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.3_ia64.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.3_ia64.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.3_ia64.deb
HPPA:
http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.3_hppa.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.3_hppa.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.3_hppa.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.3_hppa.deb
Motorola 680x0:
http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.3_m68k.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.3_m68k.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.3_m68k.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.3_m68k.deb
Big endian MIPS:
http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.3_mips.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.3_mips.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.3_mips.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.3_mips.deb
Little endian MIPS:
http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.3_mipsel.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.3_mipsel.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.3_mipsel.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.3_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.3_powerpc.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.3_powerpc.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.3_powerpc.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.3_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.3_s390.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.3_s390.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.3_s390.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.3_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/libp/libpng/libpng2_1.0.12-3.woody.3_sparc.deb
http://security.debian.org/pool/updates/main/libp/libpng/libpng2-dev_1.0.12-3.woody.3_sparc.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng-dev_1.2.1-1.1.woody.3_sparc.deb
http://security.debian.org/pool/updates/main/libp/libpng3/libpng3_1.2.1-1.1.woody.3_sparc.deb

Las sumas MD5 de los ficheros que se listan están disponibles en el aviso original.