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Category:   Application (Generic)  >   gpdf Vendors:   Gnome Development Team
(Red Hat Issues Fix for gpdf) Xpdf Array Indexing Error in FoFiType1::parse() Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1024525
SecurityTracker URL:  http://securitytracker.com/id/1024525
CVE Reference:   CVE-2010-3704   (Links to External Site)
Date:  Oct 8 2010
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 PDF file with specially crafted fonts that, when loaded by the target user or application, will trigger an array indexing error in FoFiType1::parse() and execute arbitrary code on the target system. The code will run with the privileges of the target user or application.

Poppler is also affected.

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

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2010-0752.html

Cause:   Access control 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.
Oct 7 2010 Xpdf Array Indexing Error in FoFiType1::parse() Lets Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2010:0752-01] Important: gpdf security update

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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: gpdf security update
Advisory ID:       RHSA-2010:0752-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2010-0752.html
Issue date:        2010-10-07
CVE Names:         CVE-2010-3702 CVE-2010-3704 
=====================================================================

1. Summary:

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

The Red Hat Security Response Team has rated this update as having
important 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:

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.

An uninitialized pointer use flaw was discovered in GPdf. An attacker could
create a malicious PDF file that, when opened, would cause GPdf to crash
or, potentially, execute arbitrary code. (CVE-2010-3702)

An array index error was found in the way GPdf parsed PostScript Type 1
fonts embedded in PDF documents. An attacker could create a malicious PDF
file that, when opened, would cause GPdf to crash or, potentially, execute
arbitrary code. (CVE-2010-3704)

Users are advised to upgrade to this updated package, which contains
backported patches to correct these issues.

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
http://kbase.redhat.com/faq/docs/DOC-11259

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

595245 - CVE-2010-3702 xpdf: uninitialized Gfx::parser pointer dereference
638960 - CVE-2010-3704 xpdf: array indexing error 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_8.7.src.rpm

i386:
gpdf-2.8.2-7.7.2.el4_8.7.i386.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.7.i386.rpm

ia64:
gpdf-2.8.2-7.7.2.el4_8.7.ia64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.7.ia64.rpm

ppc:
gpdf-2.8.2-7.7.2.el4_8.7.ppc.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.7.ppc.rpm

s390:
gpdf-2.8.2-7.7.2.el4_8.7.s390.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.7.s390.rpm

s390x:
gpdf-2.8.2-7.7.2.el4_8.7.s390x.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.7.s390x.rpm

x86_64:
gpdf-2.8.2-7.7.2.el4_8.7.x86_64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.7.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_8.7.src.rpm

i386:
gpdf-2.8.2-7.7.2.el4_8.7.i386.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.7.i386.rpm

x86_64:
gpdf-2.8.2-7.7.2.el4_8.7.x86_64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.7.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_8.7.src.rpm

i386:
gpdf-2.8.2-7.7.2.el4_8.7.i386.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.7.i386.rpm

ia64:
gpdf-2.8.2-7.7.2.el4_8.7.ia64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.7.ia64.rpm

x86_64:
gpdf-2.8.2-7.7.2.el4_8.7.x86_64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.7.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_8.7.src.rpm

i386:
gpdf-2.8.2-7.7.2.el4_8.7.i386.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.7.i386.rpm

ia64:
gpdf-2.8.2-7.7.2.el4_8.7.ia64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.7.ia64.rpm

x86_64:
gpdf-2.8.2-7.7.2.el4_8.7.x86_64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_8.7.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-2010-3702.html
https://www.redhat.com/security/data/cve/CVE-2010-3704.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 2010 Red Hat, Inc.
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