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Category:   Application (Generic)  >   CUPS Vendors:   Easy Software Products
(Red Hat Issues Fix for CUPS) Xpdf Integer Overflows Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1023040
SecurityTracker URL:  http://securitytracker.com/id/1023040
CVE Reference:   CVE-2009-3608, CVE-2009-3609   (Links to External Site)
Updated:  Nov 19 2009
Original Entry Date:  Oct 15 2009
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Several vulnerabilities were reported in Xpdf. A remote user can cause arbitrary code to be executed on the target user's system. CUPS is affected.

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

The SplashBitmap() function in 'SplashBitmap.c' is affected [CVE-2009-3603].

The drawImage() function in 'splash.c' is affected [CVE-2009-3604].

The doImageL1Sep() function in 'PSOutputDev.c' is affected [CVE-2009-3606].

The ObjectStream() function in 'ObjectStream.c' is affected [CVE-2009-3608].

The ImageStream() function in 'ImageStream.c' is affected [CVE-2009-3609].

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 CUPS for CVE-2009-3608 and CVE-2009-3609.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2009-1513.html

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

Message History:   This archive entry is a follow-up to the message listed below.
Oct 15 2009 Xpdf Integer Overflows Let Remote Users Execute Arbitrary Code



 Source Message Contents

Date:  Thu, 15 Oct 2009 05:31:38 -0400
Subject:  [RHSA-2009:1513-01] Moderate: cups security update


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

Synopsis:          Moderate: cups security update
Advisory ID:       RHSA-2009:1513-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2009-1513.html
Issue date:        2009-10-15
CVE Names:         CVE-2009-3608 CVE-2009-3609 
=====================================================================

1. Summary:

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

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

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:

The Common UNIX Printing System (CUPS) provides a portable printing layer
for UNIX operating systems. The CUPS "pdftops" filter converts Portable
Document Format (PDF) files to PostScript.

Two integer overflow flaws were found in the CUPS "pdftops" filter. An
attacker could create a malicious PDF file that would cause "pdftops" to
crash or, potentially, execute arbitrary code as the "lp" user if the file
was printed. (CVE-2009-3608, CVE-2009-3609)

Red Hat would like to thank Chris Rohlf for reporting the CVE-2009-3608
issue.

Users of cups are advised to upgrade to these updated packages, which
contain a backported patch to correct these issues. After installing the
update, the cupsd daemon will be restarted automatically.

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/):

526637 - CVE-2009-3608 xpdf/poppler: integer overflow in ObjectStream::ObjectStream (oCERT-2009-016)
526893 - CVE-2009-3609 xpdf/poppler: ImageStream::ImageStream integer 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/cups-1.3.7-11.el5_4.3.src.rpm

i386:
cups-1.3.7-11.el5_4.3.i386.rpm
cups-debuginfo-1.3.7-11.el5_4.3.i386.rpm
cups-libs-1.3.7-11.el5_4.3.i386.rpm
cups-lpd-1.3.7-11.el5_4.3.i386.rpm

x86_64:
cups-1.3.7-11.el5_4.3.x86_64.rpm
cups-debuginfo-1.3.7-11.el5_4.3.i386.rpm
cups-debuginfo-1.3.7-11.el5_4.3.x86_64.rpm
cups-libs-1.3.7-11.el5_4.3.i386.rpm
cups-libs-1.3.7-11.el5_4.3.x86_64.rpm
cups-lpd-1.3.7-11.el5_4.3.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/cups-1.3.7-11.el5_4.3.src.rpm

i386:
cups-debuginfo-1.3.7-11.el5_4.3.i386.rpm
cups-devel-1.3.7-11.el5_4.3.i386.rpm

x86_64:
cups-debuginfo-1.3.7-11.el5_4.3.i386.rpm
cups-debuginfo-1.3.7-11.el5_4.3.x86_64.rpm
cups-devel-1.3.7-11.el5_4.3.i386.rpm
cups-devel-1.3.7-11.el5_4.3.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/cups-1.3.7-11.el5_4.3.src.rpm

i386:
cups-1.3.7-11.el5_4.3.i386.rpm
cups-debuginfo-1.3.7-11.el5_4.3.i386.rpm
cups-devel-1.3.7-11.el5_4.3.i386.rpm
cups-libs-1.3.7-11.el5_4.3.i386.rpm
cups-lpd-1.3.7-11.el5_4.3.i386.rpm

ia64:
cups-1.3.7-11.el5_4.3.ia64.rpm
cups-debuginfo-1.3.7-11.el5_4.3.i386.rpm
cups-debuginfo-1.3.7-11.el5_4.3.ia64.rpm
cups-devel-1.3.7-11.el5_4.3.ia64.rpm
cups-libs-1.3.7-11.el5_4.3.i386.rpm
cups-libs-1.3.7-11.el5_4.3.ia64.rpm
cups-lpd-1.3.7-11.el5_4.3.ia64.rpm

ppc:
cups-1.3.7-11.el5_4.3.ppc.rpm
cups-debuginfo-1.3.7-11.el5_4.3.ppc.rpm
cups-debuginfo-1.3.7-11.el5_4.3.ppc64.rpm
cups-devel-1.3.7-11.el5_4.3.ppc.rpm
cups-devel-1.3.7-11.el5_4.3.ppc64.rpm
cups-libs-1.3.7-11.el5_4.3.ppc.rpm
cups-libs-1.3.7-11.el5_4.3.ppc64.rpm
cups-lpd-1.3.7-11.el5_4.3.ppc.rpm

s390x:
cups-1.3.7-11.el5_4.3.s390x.rpm
cups-debuginfo-1.3.7-11.el5_4.3.s390.rpm
cups-debuginfo-1.3.7-11.el5_4.3.s390x.rpm
cups-devel-1.3.7-11.el5_4.3.s390.rpm
cups-devel-1.3.7-11.el5_4.3.s390x.rpm
cups-libs-1.3.7-11.el5_4.3.s390.rpm
cups-libs-1.3.7-11.el5_4.3.s390x.rpm
cups-lpd-1.3.7-11.el5_4.3.s390x.rpm

x86_64:
cups-1.3.7-11.el5_4.3.x86_64.rpm
cups-debuginfo-1.3.7-11.el5_4.3.i386.rpm
cups-debuginfo-1.3.7-11.el5_4.3.x86_64.rpm
cups-devel-1.3.7-11.el5_4.3.i386.rpm
cups-devel-1.3.7-11.el5_4.3.x86_64.rpm
cups-libs-1.3.7-11.el5_4.3.i386.rpm
cups-libs-1.3.7-11.el5_4.3.x86_64.rpm
cups-lpd-1.3.7-11.el5_4.3.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-2009-3608
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3609
http://www.redhat.com/security/updates/classification/#moderate

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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