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Category:   Application (Generic)  >   gpdf Vendors:   Gnome Development Team
(Red Hat Issues Fix for gpdf) Xpdf Buffer Overflow in FoFiType1::parse Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1023358
SecurityTracker URL:  http://securitytracker.com/id/1023358
CVE Reference:   CVE-2009-4035   (Links to External Site)
Date:  Dec 16 2009
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Xpdf. A remote user can cause arbitrary code to be executed on the target system. gpdf is affected.

A remote user can create a specially crafted PDF file with an embedded Type 1 font that, when loaded by the target user, will trigger a buffer overflow in FoFiType1::parse() in the Type 1 font parser and execute arbitrary code on the target system. The code will run with the privileges of the target application.

Petr Gajdos and Christian Kornacker of SUSE reported this vulnerability.

Impact:   A remote user can create a file that, when loaded by the target user, will execute arbitrary code on the target system.
Solution:   Red Hat has issued a fix for gpdf.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2009-1681.html

Cause:   Boundary error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  4

Message History:   This archive entry is a follow-up to the message listed below.
Dec 16 2009 Xpdf Buffer Overflow in FoFiType1::parse Lets Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2009:1681-01] Important: gpdf security update

-----BEGIN PGP SIGNED MESSAGE-----
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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: gpdf security update
Advisory ID:       RHSA-2009:1681-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2009-1681.html
Issue date:        2009-12-16
CVE Names:         CVE-2009-4035 
=====================================================================

1. Summary:

An updated gpdf package that fixes a security issue is now available for
Red Hat Enterprise Linux 4.

This update has been rated as having important security impact by the Red
Hat Security Response Team.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop version 4 - i386, x86_64
Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64

3. Description:

GPdf is a viewer for Portable Document Format (PDF) files.

Petr Gajdos and Christian Kornacker of SUSE reported a buffer overflow flaw
in GPdf's Type 1 font parser. A specially-crafted PDF file with an embedded
Type 1 font could cause GPdf to crash or, possibly, execute arbitrary code
when opened. (CVE-2009-4035)

Users are advised to upgrade to this updated package, which contains a
backported patch to correct this issue.

4. Solution:

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

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

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

541614 - CVE-2009-4035 xpdf: buffer overflow in FoFiType1::parse

6. Package List:

Red Hat Enterprise Linux AS version 4:

Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/gpdf-2.8.2-7.7.2.el4_8.6.src.rpm

i386:
gpdf-2.8.2-7.7.2.el4_8.6.i386.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.6.i386.rpm

ia64:
gpdf-2.8.2-7.7.2.el4_8.6.ia64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.6.ia64.rpm

ppc:
gpdf-2.8.2-7.7.2.el4_8.6.ppc.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.6.ppc.rpm

s390:
gpdf-2.8.2-7.7.2.el4_8.6.s390.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.6.s390.rpm

s390x:
gpdf-2.8.2-7.7.2.el4_8.6.s390x.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.6.s390x.rpm

x86_64:
gpdf-2.8.2-7.7.2.el4_8.6.x86_64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.6.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/gpdf-2.8.2-7.7.2.el4_8.6.src.rpm

i386:
gpdf-2.8.2-7.7.2.el4_8.6.i386.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.6.i386.rpm

x86_64:
gpdf-2.8.2-7.7.2.el4_8.6.x86_64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.6.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/gpdf-2.8.2-7.7.2.el4_8.6.src.rpm

i386:
gpdf-2.8.2-7.7.2.el4_8.6.i386.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.6.i386.rpm

ia64:
gpdf-2.8.2-7.7.2.el4_8.6.ia64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.6.ia64.rpm

x86_64:
gpdf-2.8.2-7.7.2.el4_8.6.x86_64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.6.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/gpdf-2.8.2-7.7.2.el4_8.6.src.rpm

i386:
gpdf-2.8.2-7.7.2.el4_8.6.i386.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.6.i386.rpm

ia64:
gpdf-2.8.2-7.7.2.el4_8.6.ia64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.6.ia64.rpm

x86_64:
gpdf-2.8.2-7.7.2.el4_8.6.x86_64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.6.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://www.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2009-4035.html
http://www.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2009 Red Hat, Inc.
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