int(5053)

Boletines de Vulnerabilidades


Denegación de servicio en OpenSSL

Clasificación de la vulnerabilidad

Propiedad Valor
Nivel de Confianza Oficial
Impacto Denegación de Servicio
Dificultad Experto
Requerimientos del atacante Acceso remoto sin cuenta a un servicio estandar

Información sobre el sistema

Propiedad Valor
Fabricante afectado GNU/Linux
Software afectado OpenSSL 0.9.8l

Descripción

Se ha descubierto una vulnerabilidad de fuga de memoria en OpenSSL. La vulnerabilidad reside en un error en la función "zlib_stateful_finish" en "crypto/comp/c_zlib.c".

Un atacante remoto podría causar una denegación de servicio mediante llamadas erróneas a la función "CRYPTO_free_all_ex_data".

Solución



Actualización de software

Debian (DSA-1970-1)

Debian Linux 5.0
Source
http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.8g.orig.tar.gz
http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.8g-15+lenny6.dsc
http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.8g-15+lenny6.diff.gz
alpha (DEC Alpha)
http://security.debian.org/pool/updates/main/o/openssl/libcrypto0.9.8-udeb_0.9.8g-15+lenny6_alpha.udeb
http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.8g-15+lenny6_alpha.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8_0.9.8g-15+lenny6_alpha.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8-dbg_0.9.8g-15+lenny6_alpha.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.8g-15+lenny6_alpha.deb
amd64 (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/o/openssl/libcrypto0.9.8-udeb_0.9.8g-15+lenny6_amd64.udeb
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8_0.9.8g-15+lenny6_amd64.deb
http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.8g-15+lenny6_amd64.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.8g-15+lenny6_amd64.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8-dbg_0.9.8g-15+lenny6_amd64.deb
armel (ARM EABI)
http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.8g-15+lenny6_armel.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8_0.9.8g-15+lenny6_armel.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8-dbg_0.9.8g-15+lenny6_armel.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.8g-15+lenny6_armel.deb
http://security.debian.org/pool/updates/main/o/openssl/libcrypto0.9.8-udeb_0.9.8g-15+lenny6_armel.udeb
hppa (HP PA RISC)
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8_0.9.8g-15+lenny6_hppa.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8-dbg_0.9.8g-15+lenny6_hppa.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.8g-15+lenny6_hppa.deb
http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.8g-15+lenny6_hppa.deb
http://security.debian.org/pool/updates/main/o/openssl/libcrypto0.9.8-udeb_0.9.8g-15+lenny6_hppa.udeb
i386 (Intel ia32)
http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.8g-15+lenny6_i386.deb
http://security.debian.org/pool/updates/main/o/openssl/libcrypto0.9.8-udeb_0.9.8g-15+lenny6_i386.udeb
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8-dbg_0.9.8g-15+lenny6_i386.deb
http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.8g-15+lenny6_i386.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8_0.9.8g-15+lenny6_i386.deb
ia64 (Intel ia64)
http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.8g-15+lenny6_ia64.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8_0.9.8g-15+lenny6_ia64.deb
http://security.debian.org/pool/updates/main/o/openssl/libcrypto0.9.8-udeb_0.9.8g-15+lenny6_ia64.udeb
http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.8g-15+lenny6_ia64.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8-dbg_0.9.8g-15+lenny6_ia64.deb
mips (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.8g-15+lenny6_mips.deb
http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.8g-15+lenny6_mips.deb
http://security.debian.org/pool/updates/main/o/openssl/libcrypto0.9.8-udeb_0.9.8g-15+lenny6_mips.udeb
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8-dbg_0.9.8g-15+lenny6_mips.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8_0.9.8g-15+lenny6_mips.deb
mipsel (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/o/openssl/libcrypto0.9.8-udeb_0.9.8g-15+lenny6_mipsel.udeb
http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.8g-15+lenny6_mipsel.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8-dbg_0.9.8g-15+lenny6_mipsel.deb
http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.8g-15+lenny6_mipsel.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8_0.9.8g-15+lenny6_mipsel.deb
powerpc (PowerPC)
http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.8g-15+lenny6_powerpc.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8-dbg_0.9.8g-15+lenny6_powerpc.deb
http://security.debian.org/pool/updates/main/o/openssl/libcrypto0.9.8-udeb_0.9.8g-15+lenny6_powerpc.udeb
http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.8g-15+lenny6_powerpc.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8_0.9.8g-15+lenny6_powerpc.deb
s390 (IBM S/390)
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8-dbg_0.9.8g-15+lenny6_s390.deb
http://security.debian.org/pool/updates/main/o/openssl/libcrypto0.9.8-udeb_0.9.8g-15+lenny6_s390.udeb
http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.8g-15+lenny6_s390.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8_0.9.8g-15+lenny6_s390.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.8g-15+lenny6_s390.deb
sparc (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8_0.9.8g-15+lenny6_sparc.deb
http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.8g-15+lenny6_sparc.deb
http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.8g-15+lenny6_sparc.deb
http://security.debian.org/pool/updates/main/o/openssl/libcrypto0.9.8-udeb_0.9.8g-15+lenny6_sparc.udeb
http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.8-dbg_0.9.8g-15+lenny6_sparc.deb

Red Hat (RHSA-2010:0054-5)
RHEL Desktop Workstation (v. 5 cliente)
Red Hat Enterprise Linux (v. 5 servidor)
Red Hat Enterprise Linux Desktop (v. 5 cliente)
Red Hat Enterprise Linux EUS (v. 5.4.z servidor)
https://rhn.redhat.com/

Identificadores estándar

Propiedad Valor
CVE CVE-2009-4355
BID

Recursos adicionales

Debian Security Advisory (DSA-1970-1)
http://lists.debian.org/debian-security-announce/2010/msg00005.html

Red Hat Security Advisory (RHSA-2010:0054-01)
https://rhn.redhat.com/errata/RHSA-2010-0054.html

Histórico de versiones

Versión Comentario Fecha
1.0 Aviso emitido 2010-01-26

Miembros de

Ministerio de Defensa
CNI
CCN
CCN-CERT