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________________________________________________________________________

                Mandrake Linux Security Update Advisory
________________________________________________________________________

Package name:           squid
Advisory ID:            MDKSA-2002:016-1
Date:                   February 26th, 2002
Original Advisory Date: February 21st, 2002
Affected versions:      7.1, 7.2, 8.0, Corporate Server 1.0.1,
                        Single Network Firewall 7.2
________________________________________________________________________

Problem Description:

 Three security issues were found in the 2.x versions of the Squid proxy
 server up to and including 2.4.STABLE3.  The first is a memory leak in
 the optional SNMP interface to Squid which could allow a malicious user
 who can send packets to the Squid SNMP port to possibly perform a
 Denial of Service attack on ther server if the SNMP interface is
 enabled.  The next is a buffer overflow in the implementation of ftp://
 URLs where allowed users could possibly perform a DoS on the server,
 and may be able to trigger remote execution of code (which the authors
 have not yet confirmed).  The final issue is with the HTCP interface
 which cannot be properly disabled from squid.conf; HTCP is enabled by
 default on Mandrake Linux systems.

Update:

 The squid updates for all versions other than Mandrake Linux were
 incorrectly built with LDAP authentication which introduced a
 dependency on OpenLDAP.  These new packages do not use LDAP
 authentication.  The Single Network Firewall 7.2 package previously
 released did not use LDAP authentication, however rebuilding the source
 RPM package required LDAP to be installed.  Single Network Firewall 7.2
 users do not need to upgrade to these packages to have a properly
 function squid.
________________________________________________________________________

References:

 http://www.squid-cache.org/Advisories/SQUID-2002_1.txt
________________________________________________________________________

Updated Packages:

 Linux-Mandrake 7.1:
 60bb70afa95f2b43727bc8c9794fb0f9  7.1/RPMS/squid-2.4.STABLE4-1.5mdk.i586.rpm
 a46c4bf51883fcfee529de2812f55458  7.1/SRPMS/squid-2.4.STABLE4-1.5mdk.src.rpm

 Linux-Mandrake 7.2:
 0c3cfdf038650a8c85e703c8859df8d7  7.2/RPMS/squid-2.4.STABLE4-1.5mdk.i586.rpm
 a46c4bf51883fcfee529de2812f55458  7.2/SRPMS/squid-2.4.STABLE4-1.5mdk.src.rpm

 Mandrake Linux 8.0:
 174eaf577cfde553ee0b8eb301792cba  8.0/RPMS/squid-2.4.STABLE4-1.6mdk.i586.rpm
 e1d0df4fe930669e3ba12b90caefeca3  8.0/SRPMS/squid-2.4.STABLE4-1.6mdk.src.rpm

 Mandrake Linux 8.0/ppc:
 375ecbfec5947e9f47be3ada5084fc88  ppc/8.0/RPMS/squid-2.4.STABLE4-1.6mdk.ppc.rpm
 e1d0df4fe930669e3ba12b90caefeca3  ppc/8.0/SRPMS/squid-2.4.STABLE4-1.6mdk.src.rpm

 Corporate Server 1.0.1:
 60bb70afa95f2b43727bc8c9794fb0f9  1.0.1/RPMS/squid-2.4.STABLE4-1.5mdk.i586.rpm
 a46c4bf51883fcfee529de2812f55458  1.0.1/SRPMS/squid-2.4.STABLE4-1.5mdk.src.rpm

 Single Network Firewall 7.2:
 0c3cfdf038650a8c85e703c8859df8d7  snf7.2/RPMS/squid-2.4.STABLE4-1.5mdk.i586.rpm
 a46c4bf51883fcfee529de2812f55458  snf7.2/SRPMS/squid-2.4.STABLE4-1.5mdk.src.rpm
________________________________________________________________________

Bug IDs fixed (see https://qa.mandrakesoft.com for more information):

________________________________________________________________________

To upgrade automatically, use MandrakeUpdate.  The verification of md5
checksums and GPG signatures is performed automatically for you.

If you want to upgrade manually, download the updated package from one 
of our FTP server mirrors and upgrade with "rpm -Fvh *.rpm".  A list of
FTP mirrors can be obtained from:

  http://www.mandrakesecure.net/en/ftp.php

Please verify the update prior to upgrading to ensure the integrity of
the downloaded package.  You can do this with the command:

  rpm --checksig <filename>

All packages are signed by MandrakeSoft for security.  You can obtain
the GPG public key of the Mandrake Linux Security Team from:

  https://www.mandrakesecure.net/RPM-GPG-KEYS

Please be aware that sometimes it takes the mirrors a few hours to 
update.

You can view other update advisories for Mandrake Linux at:

  http://www.mandrakesecure.net/en/advisories/

MandrakeSoft has several security-related mailing list services that
anyone can subscribe to.  Information on these lists can be obtained by
visiting:

  http://www.mandrakesecure.net/en/mlist.php

If you want to report vulnerabilities, please contact

  security@linux-mandrake.com
________________________________________________________________________

Type Bits/KeyID     Date       User ID
pub  1024D/22458A98 2000-07-10 Linux Mandrake Security Team
  <security@linux-mandrake.com>


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