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Category:   Application (Generic)  >   gpdf Vendors:   GNU [multiple authors]
(Red Hat Issues Fix for gpdf) KDE kpdf/xpdf Integer Overflow in StreamPredictor() Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1018477
SecurityTracker URL:  http://securitytracker.com/id/1018477
CVE Reference:   CVE-2007-3387   (Links to External Site)
Date:  Jul 30 2007
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in KDE kpdf (and xpdf). A remote user can cause arbitrary code to be executed on the target user's system. gpdf is affected.

A remote user can create a specially crafted PDF file that, when loaded by the target user, will trigger an integer overflow in the StreamPredictor() and execute arbitrary code on the target system. The code will run with the privileges of the target user or application.

The vulnerability resides in code share by xpdf and kpdf.

The vendor credits Derek Noonburg with reporting this vulnerability.

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

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2007-0730.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.
Jul 30 2007 KDE kpdf/xpdf Integer Overflow in StreamPredictor() Lets Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2007:0730-01] Important: gpdf security update


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

- ---------------------------------------------------------------------
                   Red Hat Security Advisory

Synopsis:          Important: gpdf security update
Advisory ID:       RHSA-2007:0730-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2007-0730.html
Issue date:        2007-07-30
Updated on:        2007-07-30
Product:           Red Hat Enterprise Linux
CVE Names:         CVE-2007-3387 
- ---------------------------------------------------------------------

1. Summary:

Updated kdegraphics packages that fix a security issue in PDF handling are
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. Problem description:

gpdf is a GNOME based viewer for Portable Document Format (PDF) files. 

Maurycy Prodeus discovered an integer overflow flaw in the processing
of PDF files.  An attacker could create a malicious PDF file that would
cause gpdf to crash or potentially execute arbitrary code when opened. 
(CVE-2007-3387)

All users of gpdf should upgrade to these updated packages, which
contain a backported patch to resolve 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/FAQ_58_10188

5. Bug IDs fixed (http://bugzilla.redhat.com/):

248194 - CVE-2007-3387 xpdf integer overflow

6. RPMs required:

Red Hat Enterprise Linux AS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/gpdf-2.8.2-7.7.src.rpm
e9aa55884418f3c06b79fa4fcab6b950  gpdf-2.8.2-7.7.src.rpm

i386:
2d6a13f1f568d256470abab24295272f  gpdf-2.8.2-7.7.i386.rpm
25063ea6e57aa5b59f66de575f08a054  gpdf-debuginfo-2.8.2-7.7.i386.rpm

ia64:
aec63c822d4062f62b9d508efa086237  gpdf-2.8.2-7.7.ia64.rpm
39bea01ffaf473184af95b799cd70a93  gpdf-debuginfo-2.8.2-7.7.ia64.rpm

ppc:
0c84424aed475df3e16ca0a287eefb5d  gpdf-2.8.2-7.7.ppc.rpm
3319bab6c51159fcbc4ad89ed8533fb9  gpdf-debuginfo-2.8.2-7.7.ppc.rpm

s390:
8d0fa518d3e259368cacb95eced985d5  gpdf-2.8.2-7.7.s390.rpm
aa1615c23e9dbc73d235aed4857de59b  gpdf-debuginfo-2.8.2-7.7.s390.rpm

s390x:
a7ca5e67cff3ec7c6056dcab6663d3de  gpdf-2.8.2-7.7.s390x.rpm
cf81bbc6d82dc7343cef4117ac5d92fd  gpdf-debuginfo-2.8.2-7.7.s390x.rpm

x86_64:
5bcba7b63805e59edcb3f2ddf524d4e1  gpdf-2.8.2-7.7.x86_64.rpm
5b4e435bbcd49a3cb42d2779d2ac2ca7  gpdf-debuginfo-2.8.2-7.7.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/gpdf-2.8.2-7.7.src.rpm
e9aa55884418f3c06b79fa4fcab6b950  gpdf-2.8.2-7.7.src.rpm

i386:
2d6a13f1f568d256470abab24295272f  gpdf-2.8.2-7.7.i386.rpm
25063ea6e57aa5b59f66de575f08a054  gpdf-debuginfo-2.8.2-7.7.i386.rpm

x86_64:
5bcba7b63805e59edcb3f2ddf524d4e1  gpdf-2.8.2-7.7.x86_64.rpm
5b4e435bbcd49a3cb42d2779d2ac2ca7  gpdf-debuginfo-2.8.2-7.7.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/gpdf-2.8.2-7.7.src.rpm
e9aa55884418f3c06b79fa4fcab6b950  gpdf-2.8.2-7.7.src.rpm

i386:
2d6a13f1f568d256470abab24295272f  gpdf-2.8.2-7.7.i386.rpm
25063ea6e57aa5b59f66de575f08a054  gpdf-debuginfo-2.8.2-7.7.i386.rpm

ia64:
aec63c822d4062f62b9d508efa086237  gpdf-2.8.2-7.7.ia64.rpm
39bea01ffaf473184af95b799cd70a93  gpdf-debuginfo-2.8.2-7.7.ia64.rpm

x86_64:
5bcba7b63805e59edcb3f2ddf524d4e1  gpdf-2.8.2-7.7.x86_64.rpm
5b4e435bbcd49a3cb42d2779d2ac2ca7  gpdf-debuginfo-2.8.2-7.7.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/gpdf-2.8.2-7.7.src.rpm
e9aa55884418f3c06b79fa4fcab6b950  gpdf-2.8.2-7.7.src.rpm

i386:
2d6a13f1f568d256470abab24295272f  gpdf-2.8.2-7.7.i386.rpm
25063ea6e57aa5b59f66de575f08a054  gpdf-debuginfo-2.8.2-7.7.i386.rpm

ia64:
aec63c822d4062f62b9d508efa086237  gpdf-2.8.2-7.7.ia64.rpm
39bea01ffaf473184af95b799cd70a93  gpdf-debuginfo-2.8.2-7.7.ia64.rpm

x86_64:
5bcba7b63805e59edcb3f2ddf524d4e1  gpdf-2.8.2-7.7.x86_64.rpm
5b4e435bbcd49a3cb42d2779d2ac2ca7  gpdf-debuginfo-2.8.2-7.7.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:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3387
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 2007 Red Hat, Inc.
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