libxml2: [PATCH] fix for CVE-2011-3919

Related Vulnerabilities: CVE-2011-3919   CVE-2011-3905   CVE-2011-0216   CVE-2011-2834   CVE-2011-2821  

Debian Bug report logs - #656377
libxml2: [PATCH] fix for CVE-2011-3919

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Reported by: Jamie Strandboge <jamie@ubuntu.com>

Date: Wed, 18 Jan 2012 21:33:01 UTC

Severity: grave

Tags: patch, security

Found in versions libxml2/2.6.32.dfsg-5+lenny4, libxml2/2.7.8.dfsg-5.1, libxml2/2.7.8.dfsg-2+squeeze1

Fixed in versions libxml2/2.7.8.dfsg-7, libxml2/2.7.8.dfsg-2+squeeze2, libxml2/2.6.32.dfsg-5+lenny5

Done: Aron Xu <aron@debian.org>

Bug is archived. No further changes may be made.

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View this report as an mbox folder, status mbox, maintainer mbox


Report forwarded to debian-bugs-dist@lists.debian.org, team@security.debian.org, secure-testing-team@lists.alioth.debian.org, Debian XML/SGML Group <debian-xml-sgml-pkgs@lists.alioth.debian.org>:
Bug#656377; Package libxml2. (Wed, 18 Jan 2012 21:33:04 GMT) (full text, mbox, link).


Acknowledgement sent to Jamie Strandboge <jamie@ubuntu.com>:
New Bug report received and forwarded. Copy sent to team@security.debian.org, secure-testing-team@lists.alioth.debian.org, Debian XML/SGML Group <debian-xml-sgml-pkgs@lists.alioth.debian.org>. (Wed, 18 Jan 2012 21:33:08 GMT) (full text, mbox, link).


Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Jamie Strandboge <jamie@ubuntu.com>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: libxml2: [PATCH] fix for CVE-2011-3919
Date: Wed, 18 Jan 2012 15:12:16 -0600
[Message part 1 (text/plain, inline)]
Package: libxml2
Version: 2.7.8.dfsg-5.1
Severity: grave
Tags: patch security
Justification: user security hole
User: ubuntu-devel@lists.ubuntu.com
Usertags: origin-ubuntu precise ubuntu-patch

Dear Maintainer,

In Ubuntu, the attached patch was applied to achieve the following:

  * SECURITY UPDATE: denial of service via buffer overflow
    - parser.c: fix an allocation error when copying entities
    - 5bd3c061823a8499b27422aee04ea20aae24f03e
    - CVE-2011-3919

Thanks for considering the patch.

References:
http://git.gnome.org/browse/libxml2/commit/?id=5bd3c061823a8499b27422aee04ea20aae24f03e
http://src.chromium.org/svn/trunk/src/third_party/libxml/README.chromium
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-3919
http://googlechromereleases.blogspot.com/2012/01/stable-channel-update.html


-- System Information:
Debian Release: wheezy/sid
  APT prefers precise-updates
  APT policy: (500, 'precise-updates'), (500, 'precise-security'), (500, 'precise')
Architecture: amd64 (x86_64)

Kernel: Linux 3.2.0-8-generic (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
[libxml2_2.7.8.dfsg-5.1ubuntu2.debdiff (text/x-diff, attachment)]

Information forwarded to debian-bugs-dist@lists.debian.org, Debian XML/SGML Group <debian-xml-sgml-pkgs@lists.alioth.debian.org>:
Bug#656377; Package libxml2. (Mon, 23 Jan 2012 02:45:03 GMT) (full text, mbox, link).


Acknowledgement sent to Michael Gilbert <michael.s.gilbert@gmail.com>:
Extra info received and forwarded to list. Copy sent to Debian XML/SGML Group <debian-xml-sgml-pkgs@lists.alioth.debian.org>. (Mon, 23 Jan 2012 02:45:03 GMT) (full text, mbox, link).


Message #10 received at 656377@bugs.debian.org (full text, mbox, reply):

From: Michael Gilbert <michael.s.gilbert@gmail.com>
To: 656377@bugs.debian.org, Thijs Kinkhorst <thijs@debian.org>
Subject: re: CVE-2011-3919
Date: Sun, 22 Jan 2012 21:43:47 -0500
[Message part 1 (text/plain, inline)]
Hi,

Attached is the patch I plan to apply as an nmu fixing an RC bug in
this package.

Best wishes,
Mike
[libxml2.patch (text/x-patch, attachment)]

Reply sent to bugzilla@tut.by (Andrew O. Shadura):
You have taken responsibility. (Mon, 23 Jan 2012 06:51:04 GMT) (full text, mbox, link).


Notification sent to Jamie Strandboge <jamie@ubuntu.com>:
Bug acknowledged by developer. (Mon, 23 Jan 2012 06:51:04 GMT) (full text, mbox, link).


Message #15 received at 656377-close@bugs.debian.org (full text, mbox, reply):

From: bugzilla@tut.by (Andrew O. Shadura)
To: 656377-close@bugs.debian.org
Subject: Bug#656377: fixed in libxml2 2.7.8.dfsg-7
Date: Mon, 23 Jan 2012 06:47:43 +0000
Source: libxml2
Source-Version: 2.7.8.dfsg-7

We believe that the bug you reported is fixed in the latest version of
libxml2, which is due to be installed in the Debian FTP archive:

libxml2-dbg_2.7.8.dfsg-7_i386.deb
  to main/libx/libxml2/libxml2-dbg_2.7.8.dfsg-7_i386.deb
libxml2-dev_2.7.8.dfsg-7_i386.deb
  to main/libx/libxml2/libxml2-dev_2.7.8.dfsg-7_i386.deb
libxml2-doc_2.7.8.dfsg-7_all.deb
  to main/libx/libxml2/libxml2-doc_2.7.8.dfsg-7_all.deb
libxml2-utils_2.7.8.dfsg-7_i386.deb
  to main/libx/libxml2/libxml2-utils_2.7.8.dfsg-7_i386.deb
libxml2_2.7.8.dfsg-7.diff.gz
  to main/libx/libxml2/libxml2_2.7.8.dfsg-7.diff.gz
libxml2_2.7.8.dfsg-7.dsc
  to main/libx/libxml2/libxml2_2.7.8.dfsg-7.dsc
libxml2_2.7.8.dfsg-7_i386.deb
  to main/libx/libxml2/libxml2_2.7.8.dfsg-7_i386.deb
python-libxml2-dbg_2.7.8.dfsg-7_i386.deb
  to main/libx/libxml2/python-libxml2-dbg_2.7.8.dfsg-7_i386.deb
python-libxml2_2.7.8.dfsg-7_i386.deb
  to main/libx/libxml2/python-libxml2_2.7.8.dfsg-7_i386.deb



A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 656377@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Andrew O. Shadura <bugzilla@tut.by> (supplier of updated libxml2 package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Format: 1.8
Date: Fri, 20 Jan 2012 12:54:41 +0300
Source: libxml2
Binary: libxml2 libxml2-utils libxml2-dev libxml2-dbg libxml2-doc python-libxml2 python-libxml2-dbg
Architecture: source i386 all
Version: 2.7.8.dfsg-7
Distribution: unstable
Urgency: low
Maintainer: Debian XML/SGML Group <debian-xml-sgml-pkgs@lists.alioth.debian.org>
Changed-By: Andrew O. Shadura <bugzilla@tut.by>
Description: 
 libxml2    - GNOME XML library
 libxml2-dbg - Debugging symbols for the GNOME XML library
 libxml2-dev - Development files for the GNOME XML library
 libxml2-doc - Documentation for the GNOME XML library
 libxml2-utils - XML utilities
 python-libxml2 - Python bindings for the GNOME XML library
 python-libxml2-dbg - Python bindings for the GNOME XML library (debug extension)
Closes: 656377
Changes: 
 libxml2 (2.7.8.dfsg-7) unstable; urgency=high
 .
   * Team upload.
   * parser.c: Fix an allocation error when copying entities.
     CVE-2011-3919. Closes: #656377.
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Bug Marked as found in versions libxml2/2.7.8.dfsg-2+squeeze1. Request was from Aron Xu <happyaron.xu@gmail.com> to control@bugs.debian.org. (Mon, 23 Jan 2012 17:24:03 GMT) (full text, mbox, link).


Bug Marked as found in versions libxml2/2.6.32.dfsg-5+lenny4. Request was from Aron Xu <happyaron.xu@gmail.com> to control@bugs.debian.org. (Mon, 23 Jan 2012 18:45:03 GMT) (full text, mbox, link).


Reply sent to Aron Xu <aron@debian.org>:
You have taken responsibility. (Sat, 28 Jan 2012 19:33:08 GMT) (full text, mbox, link).


Notification sent to Jamie Strandboge <jamie@ubuntu.com>:
Bug acknowledged by developer. (Sat, 28 Jan 2012 19:33:08 GMT) (full text, mbox, link).


Message #24 received at 656377-close@bugs.debian.org (full text, mbox, reply):

From: Aron Xu <aron@debian.org>
To: 656377-close@bugs.debian.org
Subject: Bug#656377: fixed in libxml2 2.7.8.dfsg-2+squeeze2
Date: Sat, 28 Jan 2012 19:32:14 +0000
Source: libxml2
Source-Version: 2.7.8.dfsg-2+squeeze2

We believe that the bug you reported is fixed in the latest version of
libxml2, which is due to be installed in the Debian FTP archive:

libxml2-dbg_2.7.8.dfsg-2+squeeze2_amd64.deb
  to main/libx/libxml2/libxml2-dbg_2.7.8.dfsg-2+squeeze2_amd64.deb
libxml2-dev_2.7.8.dfsg-2+squeeze2_amd64.deb
  to main/libx/libxml2/libxml2-dev_2.7.8.dfsg-2+squeeze2_amd64.deb
libxml2-doc_2.7.8.dfsg-2+squeeze2_all.deb
  to main/libx/libxml2/libxml2-doc_2.7.8.dfsg-2+squeeze2_all.deb
libxml2-utils_2.7.8.dfsg-2+squeeze2_amd64.deb
  to main/libx/libxml2/libxml2-utils_2.7.8.dfsg-2+squeeze2_amd64.deb
libxml2_2.7.8.dfsg-2+squeeze2.diff.gz
  to main/libx/libxml2/libxml2_2.7.8.dfsg-2+squeeze2.diff.gz
libxml2_2.7.8.dfsg-2+squeeze2.dsc
  to main/libx/libxml2/libxml2_2.7.8.dfsg-2+squeeze2.dsc
libxml2_2.7.8.dfsg-2+squeeze2_amd64.deb
  to main/libx/libxml2/libxml2_2.7.8.dfsg-2+squeeze2_amd64.deb
python-libxml2-dbg_2.7.8.dfsg-2+squeeze2_amd64.deb
  to main/libx/libxml2/python-libxml2-dbg_2.7.8.dfsg-2+squeeze2_amd64.deb
python-libxml2_2.7.8.dfsg-2+squeeze2_amd64.deb
  to main/libx/libxml2/python-libxml2_2.7.8.dfsg-2+squeeze2_amd64.deb



A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 656377@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Aron Xu <aron@debian.org> (supplier of updated libxml2 package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Tue, 24 Jan 2012 03:25:23 +0800
Source: libxml2
Binary: libxml2 libxml2-utils libxml2-dev libxml2-dbg libxml2-doc python-libxml2 python-libxml2-dbg
Architecture: source amd64 all
Version: 2.7.8.dfsg-2+squeeze2
Distribution: stable-security
Urgency: high
Maintainer: Debian XML/SGML Group <debian-xml-sgml-pkgs@lists.alioth.debian.org>
Changed-By: Aron Xu <aron@debian.org>
Description: 
 libxml2    - GNOME XML library
 libxml2-dbg - Debugging symbols for the GNOME XML library
 libxml2-dev - Development files for the GNOME XML library
 libxml2-doc - Documentation for the GNOME XML library
 libxml2-utils - XML utilities
 python-libxml2 - Python bindings for the GNOME XML library
 python-libxml2-dbg - Python bindings for the GNOME XML library (debug extension)
Closes: 643648 652352 656377
Changes: 
 libxml2 (2.7.8.dfsg-2+squeeze2) stable-security; urgency=high
 .
   * Security update.
   * parser.c: Fix an allocation error when copying entities.
     CVE-2011-3919. Closes: #656377.
   * parser.c: Make sure parser returns when getting a Stop order.
     CVE-2011-3905.
   * encoding.c: Fix off by one error. CVE-2011-0216. Closes: 652352.
   * xpath.c: Fix for undefined namespaces. CVE-2011-2834.
   * xpath.c, xpointer.c, include/libxml/xpath.h:
     Hardening of XPath evaluation. CVE-2011-2821. Closes: 643648.
Checksums-Sha1: 
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Reply sent to Aron Xu <aron@debian.org>:
You have taken responsibility. (Mon, 30 Jan 2012 21:51:19 GMT) (full text, mbox, link).


Notification sent to Jamie Strandboge <jamie@ubuntu.com>:
Bug acknowledged by developer. (Mon, 30 Jan 2012 21:51:19 GMT) (full text, mbox, link).


Message #29 received at 656377-close@bugs.debian.org (full text, mbox, reply):

From: Aron Xu <aron@debian.org>
To: 656377-close@bugs.debian.org
Subject: Bug#656377: fixed in libxml2 2.6.32.dfsg-5+lenny5
Date: Mon, 30 Jan 2012 21:50:43 +0000
Source: libxml2
Source-Version: 2.6.32.dfsg-5+lenny5

We believe that the bug you reported is fixed in the latest version of
libxml2, which is due to be installed in the Debian FTP archive:

libxml2-dbg_2.6.32.dfsg-5+lenny5_amd64.deb
  to main/libx/libxml2/libxml2-dbg_2.6.32.dfsg-5+lenny5_amd64.deb
libxml2-dev_2.6.32.dfsg-5+lenny5_amd64.deb
  to main/libx/libxml2/libxml2-dev_2.6.32.dfsg-5+lenny5_amd64.deb
libxml2-doc_2.6.32.dfsg-5+lenny5_all.deb
  to main/libx/libxml2/libxml2-doc_2.6.32.dfsg-5+lenny5_all.deb
libxml2-utils_2.6.32.dfsg-5+lenny5_amd64.deb
  to main/libx/libxml2/libxml2-utils_2.6.32.dfsg-5+lenny5_amd64.deb
libxml2_2.6.32.dfsg-5+lenny5.diff.gz
  to main/libx/libxml2/libxml2_2.6.32.dfsg-5+lenny5.diff.gz
libxml2_2.6.32.dfsg-5+lenny5.dsc
  to main/libx/libxml2/libxml2_2.6.32.dfsg-5+lenny5.dsc
libxml2_2.6.32.dfsg-5+lenny5_amd64.deb
  to main/libx/libxml2/libxml2_2.6.32.dfsg-5+lenny5_amd64.deb
python-libxml2_2.6.32.dfsg-5+lenny5_amd64.deb
  to main/libx/libxml2/python-libxml2_2.6.32.dfsg-5+lenny5_amd64.deb



A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 656377@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Aron Xu <aron@debian.org> (supplier of updated libxml2 package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

Format: 1.8
Date: Tue, 24 Jan 2012 06:04:56 +0800
Source: libxml2
Binary: libxml2 libxml2-utils libxml2-dev libxml2-dbg libxml2-doc python-libxml2
Architecture: source all amd64
Version: 2.6.32.dfsg-5+lenny5
Distribution: oldstable-security
Urgency: high
Maintainer: Debian XML/SGML Group <debian-xml-sgml-pkgs@lists.alioth.debian.org>
Changed-By: Aron Xu <aron@debian.org>
Description: 
 libxml2    - GNOME XML library
 libxml2-dbg - Debugging symbols for the GNOME XML library
 libxml2-dev - Development files for the GNOME XML library
 libxml2-doc - Documentation for the GNOME XML library
 libxml2-utils - XML utilities
 python-libxml2 - Python bindings for the GNOME XML library
Closes: 643648 652352 656377
Changes: 
 libxml2 (2.6.32.dfsg-5+lenny5) oldstable-security; urgency=high
 .
   * Security update.
   * parser.c: Fix an allocation error when copying entities.
     CVE-2011-3919. Closes: #656377.
   * parser.c: Make sure parser returns when getting a Stop order.
     CVE-2011-3905.
   * encoding.c: Fix off by one error. CVE-2011-0216. Closes: 652352.
   * xpath.c: Fix for undefined namespaces.
     CVE-2011-2834. Closes: 643648.
Checksums-Sha1: 
 04a90287debdfc7f7559f80e9e0dab808794e909 1647 libxml2_2.6.32.dfsg-5+lenny5.dsc
 9db39d08996626ab5c584214ef70e5e307e8b9f7 86309 libxml2_2.6.32.dfsg-5+lenny5.diff.gz
 20a9b17e35dcc7652f0e07ce0d54f0bfa79206a9 1307492 libxml2-doc_2.6.32.dfsg-5+lenny5_all.deb
 8e436f404235b31ad0c68c97d23c070ee02bb650 861080 libxml2_2.6.32.dfsg-5+lenny5_amd64.deb
 903e7dc78c52ea8b49789957a188c81a44ffbc02 37326 libxml2-utils_2.6.32.dfsg-5+lenny5_amd64.deb
 99ba81e0ef39e2b679fc366c8b269da6acaadd4f 774076 libxml2-dev_2.6.32.dfsg-5+lenny5_amd64.deb
 39bebbe51e9a142297e85b55d26634fa1362b834 988562 libxml2-dbg_2.6.32.dfsg-5+lenny5_amd64.deb
 bd2b69a0f895fc93ff1e6d5f91311bd23d2ee550 295928 python-libxml2_2.6.32.dfsg-5+lenny5_amd64.deb
Checksums-Sha256: 
 1232b8cd41cdf7f295a23af260a151da9e26b89bb1a271c435aaab2dd6857bed 1647 libxml2_2.6.32.dfsg-5+lenny5.dsc
 1059796d4afa24699a5b59bcf9846ea215be06b2657298d526feda2bd3e3db84 86309 libxml2_2.6.32.dfsg-5+lenny5.diff.gz
 3e74d6c1d54fbd068a0ea19a4fefca4ec244784e73e664080eedd049f1460171 1307492 libxml2-doc_2.6.32.dfsg-5+lenny5_all.deb
 d81e76796ebac9f079e720765102a6ad0c6c5abd7ec6e88caf19a2725f020c6c 861080 libxml2_2.6.32.dfsg-5+lenny5_amd64.deb
 a44877fa3585934149ea1e756862dc0732296079e062200b537259e65212a23c 37326 libxml2-utils_2.6.32.dfsg-5+lenny5_amd64.deb
 8677a517f84435e99441e8b6a3cd58876b6233a8581648c9a065625e81c27212 774076 libxml2-dev_2.6.32.dfsg-5+lenny5_amd64.deb
 4afb005d1e38435d8dd180ab7a8c9cc491c141a442071516c94350a0e3091978 988562 libxml2-dbg_2.6.32.dfsg-5+lenny5_amd64.deb
 dcccd350a3e3f87f3a148a8af9cfa0940a9681d226b31653b653023396324c4a 295928 python-libxml2_2.6.32.dfsg-5+lenny5_amd64.deb
Files: 
 86c24ecca29d1633dff0e7cccc285f06 1647 libs optional libxml2_2.6.32.dfsg-5+lenny5.dsc
 9cdf129340dce255b2dfb450ca4e06fe 86309 libs optional libxml2_2.6.32.dfsg-5+lenny5.diff.gz
 9826e7e6915ec8090e00d10483ad7031 1307492 doc optional libxml2-doc_2.6.32.dfsg-5+lenny5_all.deb
 c327a8e8849388d294d60f95b4d14326 861080 libs optional libxml2_2.6.32.dfsg-5+lenny5_amd64.deb
 59fad6589fb7fd7f63bc796b7177ab89 37326 text optional libxml2-utils_2.6.32.dfsg-5+lenny5_amd64.deb
 dea37e4e8b0e568d81751524a193a401 774076 libdevel optional libxml2-dev_2.6.32.dfsg-5+lenny5_amd64.deb
 873db597ec1a1cfaf16f87e992298c63 988562 libdevel extra libxml2-dbg_2.6.32.dfsg-5+lenny5_amd64.deb
 53ffa695e87d37a6499b414d80f795ea 295928 python optional python-libxml2_2.6.32.dfsg-5+lenny5_amd64.deb

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Bug archived. Request was from Debbugs Internal Request <owner@bugs.debian.org> to internal_control@bugs.debian.org. (Sun, 13 May 2012 07:48:08 GMT) (full text, mbox, link).


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