int(4419)

Vulnerability Bulletins


Denegación de servicio en Vncviewer de Sun Solaris y OpenSolaris

Vulnerability classification

Property Value
Confidence level Oficial
Impact Denegación de Servicio
Dificulty Experto
Required attacker level Acceso remoto con cuenta

System information

Property Value
Affected manufacturer Comercial Software
Affected software Sun Solaris 10 Operating System VNC viewer
Sun OpenSolaris VNC viewer

Description

Se ha descubierto una vulnerabilidad en el visor VNC (vncviewer) para Sun Solaris y Sun OpenSolaris. La vulnerabilidad reside en un error en una función de validación para el protocolo RFB.

Un atacante remoto podría ejecutar código arbitrario y causar una denegacióin de servicio al visor VNC (vncviewer).

Solution



Actualización de software

Sun (248526)
Solaris 10 / SPARC/ patch 140455-01 ó posterior
Solaris 10 / x86 / patch 140456-01 ó posterior
OpenSolaris / builds snv_105 ó posterior
http://sunsolve.sun.com/pub-cgi/show.pl?target=patchpage

Debian (DSA-1716-1)

Debian Linux 4.0
Source
http://security.debian.org/pool/updates/main/v/vnc4/vnc4_4.1.1+X4.3.0-21+etch1.diff.gz
http://security.debian.org/pool/updates/main/v/vnc4/vnc4_4.1.1+X4.3.0.orig.tar.gz
http://security.debian.org/pool/updates/main/v/vnc4/vnc4_4.1.1+X4.3.0-21+etch1.dsc
alpha (DEC Alpha)
http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_alpha.deb
http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_alpha.deb
http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_alpha.deb
amd64 (AMD x86_64 (AMD64))
http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_amd64.deb
http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_amd64.deb
http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_amd64.deb
hppa (HP PA RISC)
http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_hppa.deb
http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_hppa.deb
http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_hppa.deb
i386 (Intel ia32)
http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_i386.deb
http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_i386.deb
http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_i386.deb
ia64 (Intel ia64)
http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_ia64.deb
http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_ia64.deb
http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_ia64.deb
mips (MIPS (Big Endian))
http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_mips.deb
http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_mips.deb
http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_mips.deb
mipsel (MIPS (Little Endian))
http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_mipsel.deb
http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_mipsel.deb
http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_mipsel.deb
powerpc (PowerPC)
http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_powerpc.deb
http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_powerpc.deb
http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_powerpc.deb
s390 (IBM S/390)
http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_s390.deb
http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_s390.deb
http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_s390.deb
sparc (Sun SPARC/UltraSPARC)
http://security.debian.org/pool/updates/main/v/vnc4/xvnc4viewer_4.1.1+X4.3.0-21+etch1_sparc.deb
http://security.debian.org/pool/updates/main/v/vnc4/vnc4server_4.1.1+X4.3.0-21+etch1_sparc.deb
http://security.debian.org/pool/updates/main/v/vnc4/vnc4-common_4.1.1+X4.3.0-21+etch1_sparc.deb

Red Hat (RHSA-2009:0261-5)
Red Hat Desktop (v. 3)
Red Hat Desktop (v. 4)
Red Hat Enterprise Linux (v. 5 servidor)
Red Hat Enterprise Linux AS (v. 3)
Red Hat Enterprise Linux AS (v. 4)
Red Hat Enterprise Linux Desktop (v. 5 cliente)
Red Hat Enterprise Linux ES (v. 3)
Red Hat Enterprise Linux ES (v. 4)
Red Hat Enterprise Linux WS (v. 3)
Red Hat Enterprise Linux WS (v. 4)
https://rhn.redhat.com/

Standar resources

Property Value
CVE CVE-2008-4770
BID

Other resources

Sun Alert Notification (248526)
http://sunsolve.sun.com/search/document.do?assetkey=1-66-248526-1

Debian Security Advisory (DSA-1716-1)
http://lists.debian.org/debian-security-announce/2009/msg00025.html

Red Hat Security Advisory (RHSA-2009:0261-5)
https://rhn.redhat.com/errata/RHSA-2009-0261.html

Version history

Version Comments Date
1.0 Aviso emitido 2009-01-15
1.1 Aviso emitido por Debian (DSA-1716-1) 2009-02-04
1.2 Aviso emitido por Red Hat (RHSA-2009:0261-5) 2009-02-17
Ministerio de Defensa
CNI
CCN
CCN-CERT