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Message-ID: <OpenPKG-SA-2004.050__16631.6405441195$1099367182$gmane$org@openpkg.org>
Date: Sun, 31 Oct 2004 10:31:57 +0100
From: OpenPKG <openpkg@...npkg.org>
To: bugtraq@...urityfocus.com
Subject: [OpenPKG-SA-2004.050] OpenPKG Security Advisory (libxml)
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________________________________________________________________________
OpenPKG Security Advisory The OpenPKG Project
http://www.openpkg.org/security.html http://www.openpkg.org
openpkg-security@...npkg.org openpkg@...npkg.org
OpenPKG-SA-2004.050 31-Oct-2004
________________________________________________________________________
Package: libxml
Vulnerability: arbitrary code execution
OpenPKG Specific: no
Affected Releases: Affected Packages: Corrected Packages:
OpenPKG CURRENT <= libxml-2.6.14-20041022 >= libxml-2.6.15-20041028
OpenPKG 2.2 <= libxml-2.6.14-2.2.0 >= libxml-2.6.14-2.2.1
OpenPKG 2.1 <= libxml-2.6.11-2.1.0 >= libxml-2.6.11-2.1.1
Affected Releases: Dependent Packages:
OpenPKG CURRENT apache::with_mod_php_dom, cadaver, dia, gconf,
gift-gnutella, gq, heartbeat, imagemagick, kde-libs,
libgda, libgdome, libglade, librsvg, libwmf, libxslt,
neon, pan, papyrus, perl-xml, php::with_dom,
php5::with_xml, php5::with_dom, ripe-dbase, roadrunner,
scli, sitecopy, snownews, subversion, wv, xmlsec,
xmlstarlet, xmlto, xmms
OpenPKG 2.2 apache::with_mod_php_dom, cadaver, gconf, gift-gnutella,
imagemagick, libgdome, libwmf, libxslt, neon, perl-xml,
php::with_dom, scli, sitecopy, subversion, xmlsec
OpenPKG 2.1 apache::with_mod_php_dom, cadaver, gift-gnutella,
imagemagick, libgdome, libwmf, libxslt, neon, perl-xml,
php::with_dom, scli, sitecopy, subversion, xmlsec
Description:
According to BUGTRAQ posting [0], multiple vulnerabilities exist in
the XML parsing library libxml [1]. Multiple buffer overflows may
allow remote attackers to execute arbitrary code via a long FTP URL
that is not properly handled by the "xmlNanoFTPScanURL" function,
a long proxy URL containing FTP data that is not properly handled
by the "xmlNanoFTPScanProxy" function, and other overflows related
to the manipulation of DNS length values in "xmlNanoFTPConnect",
"xmlNanoHTTPConnectHost", and "xmlNanoHTTPConnectHost". The Common
Vulnerabilities and Exposures (CVE) project assigned the id
CAN-2004-0989 [2] to the problems.
Please check whether you are affected by running "<prefix>/bin/openpkg
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 its dependent packages (see above), if
any, too [3][4].
Solution:
Select the updated source RPM appropriate for your OpenPKG release
[5][6], fetch it from the OpenPKG FTP service [7][8] or a mirror
location, verify its integrity [9], build a corresponding binary RPM
from it [3] and update your OpenPKG installation by applying the
binary RPM [4]. For the most recent release OpenPKG 2.2, perform the
following operations to permanently fix the security problem (for
other releases adjust accordingly).
$ ftp ftp.openpkg.org
ftp> bin
ftp> cd release/2.2/UPD
ftp> get libxml-2.6.14-2.2.1.src.rpm
ftp> bye
$ <prefix>/bin/openpkg rpm -v --checksig libxml-2.6.14-2.2.1.src.rpm
$ <prefix>/bin/openpkg rpm --rebuild libxml-2.6.14-2.2.1.src.rpm
$ su -
# <prefix>/bin/openpkg rpm -Fvh <prefix>/RPM/PKG/libxml-2.6.14-2.2.1.*.rpm
Additionally, we recommend that you rebuild and reinstall
all dependent packages (see above), if any, too [3][4].
________________________________________________________________________
References:
[0] http://www.securityfocus.com/archive/1/379383/2004-10-24/2004-10-30/0
[1] http://xmlsoft.org/
[2] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0989
[3] http://www.openpkg.org/tutorial.html#regular-source
[4] http://www.openpkg.org/tutorial.html#regular-binary
[5] ftp://ftp.openpkg.org/release/2.2/UPD/libxml-2.6.14-2.2.1.src.rpm
[6] ftp://ftp.openpkg.org/release/2.1/UPD/libxml-2.6.11-2.1.1.src.rpm
[7] ftp://ftp.openpkg.org/release/2.2/UPD/
[8] ftp://ftp.openpkg.org/release/2.1/UPD/
[9] http://www.openpkg.org/security.html#signature
________________________________________________________________________
For security reasons, this advisory was digitally signed with the
OpenPGP public key "OpenPKG <openpkg@...npkg.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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