[CLA-2002:491] Conectiva Linux Security Announcement - tcpdump
Date: Wed, 5 Jun 2002 14:19:56 -0300
From: [email protected]
To: [email protected], [email protected],
Subject: [CLA-2002:491] Conectiva Linux Security Announcement - tcpdump
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CONECTIVA LINUX SECURITY ANNOUNCEMENT
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PACKAGE : tcpdump
SUMMARY : Buffer Overflow when parsing NFS traffic
DATE : 2002-06-05 13:53:00
ID : CLA-2002:491
RELEVANT
RELEASES : 6.0, 7.0, 8
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DESCRIPTION
Tcpdump is a command-line tool for monitoring network traffic.
David Woodhouse <[email protected]> discovered[1] a buffer overflow
vulnerability in tcpdump when it is parsing NFS traffic. A remote
attacker could exploit this to at least crash the tcpdump process.
Even though arpwatch and libpcap are not affected by this
vulnerability, new packages for them are being provided for Conectiva
Linux 6.0 and 7.0 since they are generated together with tcpdump from
the same SRPM package.
SOLUTION
All tcpdump users should upgrade.
REFERENCES:
1.http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=55145
DIRECT DOWNLOAD LINKS TO THE UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/arpwatch-2.1a11-9U60_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/libpcap-0.6.2-1U60_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/libpcap-devel-0.6.2-1U60_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/libpcap-devel-static-0.6.2-1U60_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/tcpdump-3.6.2-1U60_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/tcpdump-3.6.2-1U60_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/arpwatch-2.1a11-9U70_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/libpcap-0.6.2-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/libpcap-devel-0.6.2-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/libpcap-devel-static-0.6.2-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/tcpdump-3.6.2-1U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/tcpdump-3.6.2-1U70_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/8/RPMS/tcpdump-3.6.2-3U8_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/8/SRPMS/tcpdump-3.6.2-3U8_2cl.src.rpm
ADDITIONAL INSTRUCTIONS
Users of Conectiva Linux version 6.0 or higher may use apt to perform
upgrades of RPM packages:
- add the following line to /etc/apt/sources.list if it is not there yet
(you may also use linuxconf to do this):
rpm [cncbr] ftp://atualizacoes.conectiva.com.br 6.0/conectiva updates
(replace 6.0 with the correct version number if you are not running CL6.0)
- run: apt-get update
- after that, execute: apt-get upgrade
Detailed instructions reagarding the use of apt and upgrade examples
can be found at http://distro.conectiva.com.br/atualizacoes/#apt?idioma=en
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All packages are signed with Conectiva's GPG key. The key and instructions
on how to import it can be found at
http://distro.conectiva.com.br/seguranca/chave/?idioma=en
Instructions on how to check the signatures of the RPM packages can be
found at http://distro.conectiva.com.br/seguranca/politica/?idioma=en
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All our advisories and generic update instructions can be viewed at
http://distro.conectiva.com.br/atualizacoes/?idioma=en
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