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Vulnerabilidades rss pdf

Coordinación de Seguridad de la Información - UNAM-CERT -- DGTIC-UNAM

Vulnerabilidad de Seguridad UNAM-CERT-2005-448 Debian liberó una actualización para ClamAV.

Debian liberó una actualización para clamav. Esta repara dos vulnerabilidades que pueden explotarse para ocasionar una negación de servicio (DoS), o posiblemente comprometer un sistema vulnerable.

  • Fecha de Liberación: 29-Sep-2005
  • Ultima Revisión: 29-Sep-2005
  • Fuente:

    Debian Security Advisory
    DSA-824-1 clamav

  • CVE ID: CAN-2005-2919 CAN-2005-2920
  • Riesgo Altamente crítico
  • Problema de Vulnerabilidad Remoto
  • Tipo de Vulnerabilidad Buffer overflow

Sistemas Afectados

Debian GNU/Linux 3.1 alias sarge Clam AntiVirus (clamav) < 0.84-2
Debian GNU/Linux unstable alias sid Clam AntiVirus (clamav) < 0.87-1
  1. Descripción

    Debian liberó una actualización para Clamav. Esta repara dos vulnerabilidades que pueden explotarse por personas maliciosas para ocasionar una negación de servicio (DoS), o posiblemente comprometer un sistema vulnerable.

    • Clam AntiVirus es vulnerable a un desbordamiento de memoria en "libclamav/upx.c" cuando se procesan ejecutables UPX maliciosos. También puede ser enviado a un ciclo infinito en "libclamav/fsg.c" cuando procesa ejecutables FSG malicosos.

      Ver:
      Vulnerabilidades en el manejo de UPX y FSG en ClamAV.
      http://www.seguridad.unam.mx/vulnerabilidadesDB-vulne=4769

  2. Impacto

    Negación de servicio (DoS

    Acceso al sistema.

  3. Solución

    Aplicar paquetes actualizados.

    Debian GNU/Linux 3.1 (sarge)

    Código Fuenter:
    http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.4.dsc
    http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.4.diff.gz
    http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84.orig.tar.gz

    Componentes independientes:
    http://security.debian.org/pool/updates/main/c/clamav/clamav-base_0.84-2.sarge.4_all.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-docs_0.84-2.sarge.4_all.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-testfiles_0.84-2.sarge.4_all.deb

    Alpha:
    http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.4_alpha.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.4_alpha.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.4_alpha.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.4_alpha.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.4_alpha.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.4_alpha.deb

    AMD64:
    http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.4_amd64.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.4_amd64.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.4_amd64.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.4_amd64.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.4_amd64.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.4_amd64.deb

    ARM:
    http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.4_arm.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.4_arm.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.4_arm.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.4_arm.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.4_arm.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.4_arm.deb

    Intel IA-32:
    http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.4_i386.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.4_i386.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.4_i386.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.4_i386.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.4_i386.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.4_i386.deb

    Intel IA-64:
    http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.4_ia64.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.4_ia64.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.4_ia64.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.4_ia64.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.4_ia64.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.4_ia64.deb

    HPPA:
    http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.4_hppa.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.4_hppa.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.4_hppa.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.4_hppa.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.4_hppa.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.4_hppa.deb

    Motorola 680x0:
    http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.4_m68k.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.4_m68k.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.4_m68k.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.4_m68k.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.4_m68k.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.4_m68k.deb

    Big endian MIPS:
    http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.4_mips.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.4_mips.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.4_mips.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.4_mips.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.4_mips.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.4_mips.deb

    Little endian MIPS:
    http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.4_mipsel.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.4_mipsel.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.4_mipsel.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.4_mipsel.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.4_mipsel.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.4_mipsel.deb

    PowerPC:
    http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.4_powerpc.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.4_powerpc.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.4_powerpc.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.4_powerpc.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.4_powerpc.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.4_powerpc.deb

    IBM S/390:
    http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.4_s390.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.4_s390.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.4_s390.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.4_s390.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.4_s390.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.4_s390.deb

    Sun Sparc:
    http://security.debian.org/pool/updates/main/c/clamav/clamav_0.84-2.sarge.4_sparc.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-daemon_0.84-2.sarge.4_sparc.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-freshclam_0.84-2.sarge.4_sparc.deb
    http://security.debian.org/pool/updates/main/c/clamav/clamav-milter_0.84-2.sarge.4_sparc.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav-dev_0.84-2.sarge.4_sparc.deb
    http://security.debian.org/pool/updates/main/c/clamav/libclamav1_0.84-2.sarge.4_sparc.deb

  4. Apéndices

    Mayor información.

    http://www.debian.org/security/2005/dsa-824
    http://www.seguridad.unam.mx/vulnerabilidadesDB-vulne=4769

La Coordinación de Seguridad de la Información/UNAM-CERT agradece el apoyo en la elaboración ó traducción y revisión de éste Documento a:

  • Floriberto López Velázquez (flopez at seguridad dot unam dot mx)

UNAM-CERT
Equipo de Respuesta a Incidentes UNAM
Coordinación de Seguridad de la Información

incidentes at seguridad.unam.mx
phishing at seguridad.unam.mx
http://www.cert.org.mx
http://www.seguridad.unam.mx
ftp://ftp.seguridad.unam.mx
Tel: 56 22 81 69
Fax: 56 22 80 47


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