ID de Prueba:	1.3.6.1.4.1.25623.1.0.51509
Categoría:	Conectiva Local Security Checks
Título:	Conectiva Security Advisory CLA-2002:474
Resumen:	NOSUMMARY
Descripción:	Description: The remote host is missing updates announced in advisory CLA-2002:474. Ethereal is a powerful network traffic analyzer with an intuitive interface. This update addresses two vulnerabilities stated in ethereal's home page: 1.SNMP and LDAP string handling[1] The PROTOS[2] test suite developed by the Oulu University Secure Programming Group found some flaws in SNMP and LDAP protocols support in ethereal. It may be possible to crash or execute arbitrary code in the ethereal's context (ethereal is usually run by root) by injecting crafted packets in the network or convincing someone to open a trace file with such packets. 2.ASN.1 zero-length g_malloc[3] Due to improper string parsing in ASN.1 routines, it is possible to crash ethereal by inserting malformed packets in the wire or by opening a trace file with such packets inside. SNMP, LDAP, COPS and Kerberos parsers use the ASN routines to handle traffic. There's also a third vulnerability reported in ethereal's home page related to zlib's double free bug, which have been addressed already by our zlib's advisory[4] some time ago. Solution: The apt tool can be used to perform RPM package upgrades by running 'apt-get update' followed by 'apt-get upgrade' http://www.ethereal.com/appnotes/enpa-sa-00001.html http://www.ee.oulu.fi/research/ouspg/protos http://www.ethereal.com/appnotes/enpa-sa-00003.html http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000469&idioma=en http://www.securityspace.com/smysecure/catid.html?in=CLA-2002:474 http://distro.conectiva.com.br/atualizacoes/index.php?id=a&anuncio=002002 Risk factor : High
Copyright	Copyright (c) 2005 E-Soft Inc. http://www.securityspace.com

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