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Red Hat Security Advisory 2011-1324-01

Red Hat Security Advisory 2011-1324-01
Posted Sep 22, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-1324-01 - Qt 4 is a software toolkit that simplifies the task of writing and maintaining GUI applications for the X Window System. HarfBuzz is an OpenType text shaping engine. A flaw in the way Qt 4 expanded certain UTF-8 characters could be used to prevent a Qt 4 based application from properly sanitizing user input. Depending on the application, this could allow an attacker to perform directory traversal, or for web applications, a cross-site scripting attack. A buffer overflow flaw was found in the harfbuzz module in Qt 4. If a user loaded a specially-crafted font file with an application linked against Qt 4, it could cause the application to crash or, possibly, execute arbitrary code with the privileges of the user running the application.

tags | advisory, web, overflow, arbitrary, xss
systems | linux, redhat
advisories | CVE-2007-0242, CVE-2011-3193
SHA-256 | 32bd8ac5fcc0b20ce8d3211423b8151ce158385ff712a0eb6ef6c742efb0c8be

Red Hat Security Advisory 2011-1324-01

Change Mirror Download
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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: qt4 security update
Advisory ID: RHSA-2011:1324-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2011-1324.html
Issue date: 2011-09-21
CVE Names: CVE-2007-0242 CVE-2011-3193
=====================================================================

1. Summary:

Updated qt4 packages that fix two security issues are now available for Red
Hat Enterprise Linux 5.

The Red Hat Security Response Team has rated this update as having moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.

2. Relevant releases/architectures:

RHEL Desktop Workstation (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64

3. Description:

Qt 4 is a software toolkit that simplifies the task of writing and
maintaining GUI (Graphical User Interface) applications for the X Window
System. HarfBuzz is an OpenType text shaping engine.

A flaw in the way Qt 4 expanded certain UTF-8 characters could be used to
prevent a Qt 4 based application from properly sanitizing user input.
Depending on the application, this could allow an attacker to perform
directory traversal, or for web applications, a cross-site scripting (XSS)
attack. (CVE-2007-0242)

A buffer overflow flaw was found in the harfbuzz module in Qt 4. If a user
loaded a specially-crafted font file with an application linked against Qt
4, it could cause the application to crash or, possibly, execute arbitrary
code with the privileges of the user running the application.
(CVE-2011-3193)

Users of Qt 4 should upgrade to these updated packages, which contain
backported patches to correct these issues. All running applications linked
against Qt 4 libraries must be restarted for this update to take effect.

4. Solution:

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259

5. Bugs fixed (http://bugzilla.redhat.com/):

234633 - CVE-2007-0242 QT UTF8 improper character expansion
733118 - CVE-2011-3193 qt/harfbuzz buffer overflow

6. Package List:

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/qt4-4.2.1-1.el5_7.1.src.rpm

i386:
qt4-4.2.1-1.el5_7.1.i386.rpm
qt4-debuginfo-4.2.1-1.el5_7.1.i386.rpm
qt4-doc-4.2.1-1.el5_7.1.i386.rpm
qt4-mysql-4.2.1-1.el5_7.1.i386.rpm
qt4-odbc-4.2.1-1.el5_7.1.i386.rpm
qt4-postgresql-4.2.1-1.el5_7.1.i386.rpm
qt4-sqlite-4.2.1-1.el5_7.1.i386.rpm

x86_64:
qt4-4.2.1-1.el5_7.1.i386.rpm
qt4-4.2.1-1.el5_7.1.x86_64.rpm
qt4-debuginfo-4.2.1-1.el5_7.1.i386.rpm
qt4-debuginfo-4.2.1-1.el5_7.1.x86_64.rpm
qt4-doc-4.2.1-1.el5_7.1.x86_64.rpm
qt4-mysql-4.2.1-1.el5_7.1.x86_64.rpm
qt4-odbc-4.2.1-1.el5_7.1.x86_64.rpm
qt4-postgresql-4.2.1-1.el5_7.1.x86_64.rpm
qt4-sqlite-4.2.1-1.el5_7.1.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/qt4-4.2.1-1.el5_7.1.src.rpm

i386:
qt4-debuginfo-4.2.1-1.el5_7.1.i386.rpm
qt4-devel-4.2.1-1.el5_7.1.i386.rpm

x86_64:
qt4-debuginfo-4.2.1-1.el5_7.1.i386.rpm
qt4-debuginfo-4.2.1-1.el5_7.1.x86_64.rpm
qt4-devel-4.2.1-1.el5_7.1.i386.rpm
qt4-devel-4.2.1-1.el5_7.1.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/qt4-4.2.1-1.el5_7.1.src.rpm

i386:
qt4-4.2.1-1.el5_7.1.i386.rpm
qt4-debuginfo-4.2.1-1.el5_7.1.i386.rpm
qt4-devel-4.2.1-1.el5_7.1.i386.rpm
qt4-doc-4.2.1-1.el5_7.1.i386.rpm
qt4-mysql-4.2.1-1.el5_7.1.i386.rpm
qt4-odbc-4.2.1-1.el5_7.1.i386.rpm
qt4-postgresql-4.2.1-1.el5_7.1.i386.rpm
qt4-sqlite-4.2.1-1.el5_7.1.i386.rpm

ia64:
qt4-4.2.1-1.el5_7.1.ia64.rpm
qt4-debuginfo-4.2.1-1.el5_7.1.ia64.rpm
qt4-devel-4.2.1-1.el5_7.1.ia64.rpm
qt4-doc-4.2.1-1.el5_7.1.ia64.rpm
qt4-mysql-4.2.1-1.el5_7.1.ia64.rpm
qt4-odbc-4.2.1-1.el5_7.1.ia64.rpm
qt4-postgresql-4.2.1-1.el5_7.1.ia64.rpm
qt4-sqlite-4.2.1-1.el5_7.1.ia64.rpm

ppc:
qt4-4.2.1-1.el5_7.1.ppc.rpm
qt4-4.2.1-1.el5_7.1.ppc64.rpm
qt4-debuginfo-4.2.1-1.el5_7.1.ppc.rpm
qt4-debuginfo-4.2.1-1.el5_7.1.ppc64.rpm
qt4-devel-4.2.1-1.el5_7.1.ppc.rpm
qt4-devel-4.2.1-1.el5_7.1.ppc64.rpm
qt4-doc-4.2.1-1.el5_7.1.ppc.rpm
qt4-mysql-4.2.1-1.el5_7.1.ppc.rpm
qt4-odbc-4.2.1-1.el5_7.1.ppc.rpm
qt4-postgresql-4.2.1-1.el5_7.1.ppc.rpm
qt4-sqlite-4.2.1-1.el5_7.1.ppc.rpm

s390x:
qt4-4.2.1-1.el5_7.1.s390.rpm
qt4-4.2.1-1.el5_7.1.s390x.rpm
qt4-debuginfo-4.2.1-1.el5_7.1.s390.rpm
qt4-debuginfo-4.2.1-1.el5_7.1.s390x.rpm
qt4-devel-4.2.1-1.el5_7.1.s390.rpm
qt4-devel-4.2.1-1.el5_7.1.s390x.rpm
qt4-doc-4.2.1-1.el5_7.1.s390x.rpm
qt4-mysql-4.2.1-1.el5_7.1.s390x.rpm
qt4-odbc-4.2.1-1.el5_7.1.s390x.rpm
qt4-postgresql-4.2.1-1.el5_7.1.s390x.rpm
qt4-sqlite-4.2.1-1.el5_7.1.s390x.rpm

x86_64:
qt4-4.2.1-1.el5_7.1.i386.rpm
qt4-4.2.1-1.el5_7.1.x86_64.rpm
qt4-debuginfo-4.2.1-1.el5_7.1.i386.rpm
qt4-debuginfo-4.2.1-1.el5_7.1.x86_64.rpm
qt4-devel-4.2.1-1.el5_7.1.i386.rpm
qt4-devel-4.2.1-1.el5_7.1.x86_64.rpm
qt4-doc-4.2.1-1.el5_7.1.x86_64.rpm
qt4-mysql-4.2.1-1.el5_7.1.x86_64.rpm
qt4-odbc-4.2.1-1.el5_7.1.x86_64.rpm
qt4-postgresql-4.2.1-1.el5_7.1.x86_64.rpm
qt4-sqlite-4.2.1-1.el5_7.1.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2007-0242.html
https://www.redhat.com/security/data/cve/CVE-2011-3193.html
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2011 Red Hat, Inc.
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