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[OpenPKG-SA-2004.003] OpenPKG Security Advisory (libxml)
From: OpenPKG <openpkg () openpkg org>
Date: Fri, 5 Mar 2004 18:35:10 +0100

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________________________________________________________________________

OpenPKG Security Advisory                            The OpenPKG Project
http://www.openpkg.org/security.html              http://www.openpkg.org
openpkg-security () openpkg org                         openpkg () openpkg org
OpenPKG-SA-2004.003                                          05-Mar-2004
________________________________________________________________________

Package:             libxml
Vulnerability:       arbitrary code execution
OpenPKG Specific:    no

Affected Releases:   Affected Packages:          Corrected Packages:
OpenPKG CURRENT      <= libxml-2.6.5-20040126    >= libxml-2.6.6-20040212
OpenPKG 2.0          none                        N.A.
OpenPKG 1.3          <= libxml-2.5.8-1.3.0       >= libxml-2.5.8-1.3.1

Affected Releases:   Dependent Packages:
OpenPKG CURRENT      apache::with_mod_php_dom perl-xml::with_libxml
                     php::with_dom php5::with_xml php5::with_dom cadaver
                     dia kde-libs libgdome libglade libwmf libxslt
                     neon pan ripe-dbase roadrunner scli scrollkeeper
                     sitecopy subversion wv xmlsec xmlstarlet xmlto xmms
OpenPKG 1.3          apache::with_mod_php_dom perl-xml::with_libxml
                     php::with_dom libgdome libwmf libxslt neon sitecopy
                     xmlsec

Description:
  A flaw in the HTTP and FTP client sub-library of libxml2 [0]
  found by Yuuichi Teranishi can be exploited to cause a buffer
  overflow if passed a very long URL [1]. This could be used by
  an attacker to execute arbitrary code on the host computer. The
  Common Vulnerabilities and Exposures (CVE) project assigned the id
  CAN-2004-0110 [2] to the problem.

  Please check whether you are affected by running "<prefix>/bin/rpm -q
  libxml". If you have the "libxml" package installed and its version
  is affected (see above), we recommend that you immediately upgrade it
  (see solution) and any dependent packages (see above). [3][4]

Solution:
  Select the updated source RPM appropriate for your OpenPKG release
  [5], fetch it from the OpenPKG FTP service [6] or a mirror location,
  verify its integrity [7], build a corresponding binary RPM from it [3]
  and update your OpenPKG installation by applying the binary RPM [4].
  For the affected release OpenPKG 1.3, perform the following operations
  to permanently fix the security problem (for other releases adjust
  accordingly).

  $ ftp ftp.openpkg.org
  ftp> bin
  ftp> cd release/1.3/UPD
  ftp> get libxml-2.5.8-1.3.1.src.rpm
  ftp> bye
  $ <prefix>/bin/rpm -v --checksig libxml-2.5.8-1.3.1.src.rpm
  $ <prefix>/bin/rpm --rebuild libxml-2.5.8-1.3.1.src.rpm
  $ su -
  # <prefix>/bin/rpm -Fvh <prefix>/RPM/PKG/libxml-2.5.8-1.3.1.*.rpm

  Additionally, we recommend that you rebuild and reinstall
  all dependent packages (see above), if any, too. [3][4]
________________________________________________________________________

References:
  [0] http://xmlsoft.org/
  [1] http://xmlsoft.org/news.html
  [2] http://cve.mitre.org/cgi-bin/cvename.cgi?name=2004-0110
  [3] http://www.openpkg.org/tutorial.html#regular-source
  [4] http://www.openpkg.org/tutorial.html#regular-binary
  [5] ftp://ftp.openpkg.org/release/1.3/UPD/libxml-2.5.8-1.3.1.src.rpm
  [6] ftp://ftp.openpkg.org/release/1.3/UPD/
  [7] http://www.openpkg.org/security.html#signature
________________________________________________________________________

For security reasons, this advisory was digitally signed with the
OpenPGP public key "OpenPKG <openpkg () openpkg org>" (ID 63C4CB9F) of the
OpenPKG project which you can retrieve from http://pgp.openpkg.org and
hkp://pgp.openpkg.org. Follow the instructions on http://pgp.openpkg.org/
for details on how to verify the integrity of this advisory.
________________________________________________________________________

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