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Test Kennung:1.3.6.1.4.1.25623.1.0.51515
Kategorie:Conectiva Local Security Checks
Titel:Conectiva Security Advisory CLA-2002:483
Zusammenfassung:NOSUMMARY
Beschreibung:Description:

The remote host is missing updates announced in
advisory CLA-2002:483.

dhcp is a Dynamic Host Configuration Protocol Server and Client.

Versions ranging from 3 to 3.0.1rc8 (inclusive) have a format string
vulnerability[1] that could be exploited remotely. Considering the
usage of the DHCP service, this usually means the local area network
in this case.

By default, these versions of DHCP are compiled with the dns update
feature enabled. This feature allows the DHCP service to update dns
records. The code in DHCP that logs this update has a format string
vulnerability that could be exploited, since the update message
contains data provided by the attacker, such as a hostname. A
successful exploitation would give an attacker the same privileges
the DHCP daemon has, tipically root.

This vulnerability was discovered and researched by Fermín J. Serna
from Next Generation Security Technologies[2] and
published in coordination with CERT.


Solution:
The apt tool can be used to perform RPM package upgrades
by running 'apt-get update' followed by 'apt-get upgrade'

http://www.securityspace.com/smysecure/catid.html?in=CLA-2002:483
http://distro.conectiva.com.br/atualizacoes/index.php?id=a&anuncio=002002

Risk factor : High

CopyrightCopyright (c) 2005 E-Soft Inc. http://www.securityspace.com

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