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Category:   Application (Generic)  >   Xpdf Vendors:   Glyph and Cog
(Red Hat Issues Fix) Xpdf Pointer Dereference in Gfx::getPos() Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1024521
SecurityTracker URL:  http://securitytracker.com/id/1024521
CVE Reference:   CVE-2010-3702   (Links to External Site)
Date:  Oct 7 2010
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.02pl4 and prior versions
Description:   A vulnerability was reported in Xpdf. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted PDF file that, when loaded by the target user or application, will trigger an uninitialized pointer dereference in Gfx::getPos() and potentially execute arbitrary code on the target system. The code will run with the privileges of the target user or application.

Poppler is also affected.

CUPS is also affected.

Sauli Pahlman of CERT-FI reported this vulnerability.

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.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2010-0750.html

Vendor URL:  www.foolabs.com/xpdf/ (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  3

Message History:   This archive entry is a follow-up to the message listed below.
Oct 7 2010 Xpdf Pointer Dereference in Gfx::getPos() Lets Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2010:0750-01] Important: xpdf security update

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

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

Synopsis:          Important: xpdf security update
Advisory ID:       RHSA-2010:0750-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2010-0750.html
Issue date:        2010-10-07
CVE Names:         CVE-2010-3702 
=====================================================================

1. Summary:

An updated xpdf package that fixes one security issue is now available for
Red Hat Enterprise Linux 3.

The Red Hat Security Response Team has rated this update as having
important security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from the
CVE link in the References section.

2. Relevant releases/architectures:

Red Hat Desktop version 3 - i386, x86_64
Red Hat Enterprise Linux AS version 3 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux ES version 3 - i386, ia64, x86_64
Red Hat Enterprise Linux WS version 3 - i386, ia64, x86_64

3. Description:

Xpdf is an X Window System based viewer for Portable Document Format (PDF)
files.

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

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 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

6. Package List:

Red Hat Enterprise Linux AS version 3:

Source:
ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/xpdf-2.02-19.el3.src.rpm

i386:
xpdf-2.02-19.el3.i386.rpm
xpdf-debuginfo-2.02-19.el3.i386.rpm

ia64:
xpdf-2.02-19.el3.ia64.rpm
xpdf-debuginfo-2.02-19.el3.ia64.rpm

ppc:
xpdf-2.02-19.el3.ppc.rpm
xpdf-debuginfo-2.02-19.el3.ppc.rpm

s390:
xpdf-2.02-19.el3.s390.rpm
xpdf-debuginfo-2.02-19.el3.s390.rpm

s390x:
xpdf-2.02-19.el3.s390x.rpm
xpdf-debuginfo-2.02-19.el3.s390x.rpm

x86_64:
xpdf-2.02-19.el3.x86_64.rpm
xpdf-debuginfo-2.02-19.el3.x86_64.rpm

Red Hat Desktop version 3:

Source:
ftp://updates.redhat.com/enterprise/3desktop/en/os/SRPMS/xpdf-2.02-19.el3.src.rpm

i386:
xpdf-2.02-19.el3.i386.rpm
xpdf-debuginfo-2.02-19.el3.i386.rpm

x86_64:
xpdf-2.02-19.el3.x86_64.rpm
xpdf-debuginfo-2.02-19.el3.x86_64.rpm

Red Hat Enterprise Linux ES version 3:

Source:
ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/xpdf-2.02-19.el3.src.rpm

i386:
xpdf-2.02-19.el3.i386.rpm
xpdf-debuginfo-2.02-19.el3.i386.rpm

ia64:
xpdf-2.02-19.el3.ia64.rpm
xpdf-debuginfo-2.02-19.el3.ia64.rpm

x86_64:
xpdf-2.02-19.el3.x86_64.rpm
xpdf-debuginfo-2.02-19.el3.x86_64.rpm

Red Hat Enterprise Linux WS version 3:

Source:
ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/xpdf-2.02-19.el3.src.rpm

i386:
xpdf-2.02-19.el3.i386.rpm
xpdf-debuginfo-2.02-19.el3.i386.rpm

ia64:
xpdf-2.02-19.el3.ia64.rpm
xpdf-debuginfo-2.02-19.el3.ia64.rpm

x86_64:
xpdf-2.02-19.el3.x86_64.rpm
xpdf-debuginfo-2.02-19.el3.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
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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