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CONECTIVA LINUX SECURITY ANNOUNCEMENT
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PACKAGE : squid
SUMMARY : Multiple vulnerabilities
DATE : 2002-02-27 12:27:00
ID : CLA-2002:464
RELEVANT
RELEASES : 5.0, prg graficos, ecommerce, 5.1, 6.0, 7.0

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DESCRIPTION
 Squid is a high-performance proxy caching server.
 
 Three security issues[1] have recently been found in the Squid-2.X
 releases up to and including 2.4.STABLE3. From the Squid v2.4 patches
 page[2]:
 
 - Coredump on certain ftp:// style URL's[3]
 If certain constructed ftp:// style URL's are received then squid
 crashes, causing a denial of service (DoS) and maybe even remote
 execution of code.
 
 - SNMP memory leaks[4]
 The SNMP implementation in Squid had several memory leaks possibly
 causing a denial of service (DoS).
 
 - Failure to disable the HTCP port[5]
 "htcp_port 0" fails to completely disable the HTCP port as documented
 in squid.conf, instead HTCP will be listening on a random port
 number.
 
 Aditionally, the following patches from the site were applied:
 
 - Potential coredump on snmpwalk[6]
 Fixes a coredump on snmpwalk in certain configurations.
 
 - CONNECT/ssl core dump[7]
 Squid crashes on CONNECT requests that are allowed by http_access but
 denied by miss_access.
 
 - Filedescriptor leakage in the aufs store[8]
 Fixes a filedescriptor leakage in the "aufs" cache_dir store
 implementation.

SOLUTION
 It is recommended that all squid users upgrade to the latest
 packages. This update will automatically restart the service if it is
 already running.
 
 
 REFERENCES:
 1.http://www.squid-cache.org/Advisories/SQUID-2002_1.txt
 2.http://www.squid-cache.org/Versions/v2/2.4/bugs
 3.http://www.squid-cache.org/Versions/v2/2.4/bugs/#squid-2.4.STABLE3-ftp_coredump
 4.http://www.squid-cache.org/Versions/v2/2.4/bugs/#squid-2.4.STABLE3-SNMP_memory_leaks
 5.http://www.squid-cache.org/Versions/v2/2.4/bugs/#squid-2.4.STABLE3-htcp_off
 6.http://www.squid-cache.org/Versions/v2/2.4/bugs/#squid-2.4.STABLE2-snmpwalk_coredump
 7.http://www.squid-cache.org/Versions/v2/2.4/bugs/#squid-2.4.STABLE2-CONNECT_miss_access_core
 8.http://www.squid-cache.org/Versions/v2/2.4/bugs/#squid-2.4.STABLE2-aufs_fd_leak

DIRECT DOWNLOAD LINKS TO THE UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/5.0/SRPMS/squid-2.3.5-1U50_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/5.0/i386/squid-2.3.5-1U50_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/5.1/SRPMS/squid-2.3.5-1U51_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/5.1/i386/squid-2.3.5-1U51_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/6.0/SRPMS/squid-2.3.5-1U60_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/6.0/RPMS/squid-2.3.5-1U60_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/SRPMS/squid-2.4.1-4U70_2cl.src.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/squid-templates-2.4.1-4U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/squid-doc-2.4.1-4U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/squid-auth-2.4.1-4U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/7.0/RPMS/squid-2.4.1-4U70_2cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/SRPMS/squid-2.3.5-1U50_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/ecommerce/i386/squid-2.3.5-1U50_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/graficas/SRPMS/squid-2.3.5-1U50_1cl.src.rpm
ftp://atualizacoes.conectiva.com.br/ferramentas/graficas/i386/squid-2.3.5-1U50_1cl.i386.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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subscribe: conectiva-updates-subscribepapaleguas.conectiva.com.br
unsubscribe: conectiva-updates-unsubscribepapaleguas.conectiva.com.br
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