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Category:   Application (Generic)  >   Xpdf Vendors:   Glyph and Cog
(Red Hat Issues Fix) Xpdf Integer Overflows in indexHigh and pageSize May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1011965
SecurityTracker URL:  http://securitytracker.com/id/1011965
CVE Reference:   CVE-2004-0888, CVE-2004-0889, CVE-2005-0206   (Links to External Site)
Date:  Oct 27 2004
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.00
Description:   Some integer overflows were reported in Xpdf. A remote user may be able to execute arbitrary code on a target user's system.

Several vendors reported that there are integer overflows in Xpdf. A remote user can create a specially crafted PDF file that, when viewed by the target user, may execute arbitrary code.

The flaws reside in 'pdftops/Catalog.cc' and 'pdftops/XRef.cc'. A specially crafted Index color size (indexHigh) or Page size can trigger the overflow.

Chris Evans is credited with discovering these flaws.

CUPS, the Common UNIX Printing System, is also affected because it includes Xpdf.

Impact:   A remote user may be able to execute arbitrary code on a target user's system when the target user loads a malformed PDF file.
Solution:   Red Hat has released a fix.

Red Hat Enterprise Linux AS (Advanced Server) version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/xpdf-0.92-13.src.rpm
eb893292a8acc37274ca39ed1c5167b7 xpdf-0.92-13.src.rpm

i386:
e7fc401fa264c14f291722cc6882bace xpdf-0.92-13.i386.rpm

ia64:
59ff577e0a5f8690fd2f866698c18a24 xpdf-0.92-13.ia64.rpm

Red Hat Linux Advanced Workstation 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/xpdf-0.92-13.src.rpm
eb893292a8acc37274ca39ed1c5167b7 xpdf-0.92-13.src.rpm

ia64:
59ff577e0a5f8690fd2f866698c18a24 xpdf-0.92-13.ia64.rpm

Red Hat Enterprise Linux ES version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/xpdf-0.92-13.src.rpm
eb893292a8acc37274ca39ed1c5167b7 xpdf-0.92-13.src.rpm

i386:
e7fc401fa264c14f291722cc6882bace xpdf-0.92-13.i386.rpm

Red Hat Enterprise Linux WS version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1WS/en/os/SRPMS/xpdf-0.92-13.src.rpm
eb893292a8acc37274ca39ed1c5167b7 xpdf-0.92-13.src.rpm

i386:
e7fc401fa264c14f291722cc6882bace xpdf-0.92-13.i386.rpm

Red Hat Enterprise Linux AS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/xpdf-2.02-9.3.src.rpm
d5e0ad682a7e83311d5588ef25984329 xpdf-2.02-9.3.src.rpm

i386:
c62ccce8752958320f429b2f0275b583 xpdf-2.02-9.3.i386.rpm

ia64:
5e54249c54111231f3e75f82dd7b7382 xpdf-2.02-9.3.ia64.rpm

ppc:
5d9553b6885a16fdf76e4e5d6124ca3d xpdf-2.02-9.3.ppc.rpm

s390:
933965cf519099e14f691957821ed33e xpdf-2.02-9.3.s390.rpm

s390x:
bc33104553fa2bc65484df8b0cdfc214 xpdf-2.02-9.3.s390x.rpm

x86_64:
a5a3d7385ddd6a097a28bbf61e0191c6 xpdf-2.02-9.3.x86_64.rpm

Red Hat Desktop version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3desktop/en/os/SRPMS/xpdf-2.02-9.3.src.rpm
d5e0ad682a7e83311d5588ef25984329 xpdf-2.02-9.3.src.rpm

i386:
c62ccce8752958320f429b2f0275b583 xpdf-2.02-9.3.i386.rpm

x86_64:
a5a3d7385ddd6a097a28bbf61e0191c6 xpdf-2.02-9.3.x86_64.rpm

Red Hat Enterprise Linux ES version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/xpdf-2.02-9.3.src.rpm
d5e0ad682a7e83311d5588ef25984329 xpdf-2.02-9.3.src.rpm

i386:
c62ccce8752958320f429b2f0275b583 xpdf-2.02-9.3.i386.rpm

ia64:
5e54249c54111231f3e75f82dd7b7382 xpdf-2.02-9.3.ia64.rpm

x86_64:
a5a3d7385ddd6a097a28bbf61e0191c6 xpdf-2.02-9.3.x86_64.rpm

Red Hat Enterprise Linux WS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/xpdf-2.02-9.3.src.rpm
d5e0ad682a7e83311d5588ef25984329 xpdf-2.02-9.3.src.rpm

i386:
c62ccce8752958320f429b2f0275b583 xpdf-2.02-9.3.i386.rpm

ia64:
5e54249c54111231f3e75f82dd7b7382 xpdf-2.02-9.3.ia64.rpm

x86_64:
a5a3d7385ddd6a097a28bbf61e0191c6 xpdf-2.02-9.3.x86_64.rpm

Vendor URL:  www.foolabs.com/xpdf/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  2.1, 3

Message History:   This archive entry is a follow-up to the message listed below.
Oct 21 2004 Xpdf Integer Overflows in indexHigh and pageSize May Let Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2004:592-01] Updated xpdf package fixes security flaws


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

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

Synopsis:          Updated xpdf package fixes security flaws
Advisory ID:       RHSA-2004:592-01
Issue date:        2004-10-27
Updated on:        2004-10-27
Product:           Red Hat Enterprise Linux
Obsoletes:         RHSA-2004:197
CVE Names:         CAN-2004-0888
- ---------------------------------------------------------------------

1. Summary:

An updated xpdf package that fixes a number of integer overflow security
flaws is now available.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AS (Advanced Server) version 2.1 - i386, ia64
Red Hat Linux Advanced Workstation 2.1 - ia64
Red Hat Enterprise Linux ES version 2.1 - i386
Red Hat Enterprise Linux WS version 2.1 - i386
Red Hat Enterprise Linux AS version 3 - i386, ia64, ppc, s390, s390x, x86_64
Red Hat Desktop version 3 - i386, 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. Problem description:

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

During a source code audit, Chris Evans and others discovered a number
of integer overflow bugs that affected all versions of xpdf.  An
attacker could construct a carefully crafted PDF file that could cause
xpdf to crash or possibly execute arbitrary code when opened.  The Common
Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name
CAN-2004-0888 to this issue.

Users of xpdf are advised to upgrade to this errata package, which contains
a backported patch correcting these issues.

4. Solution:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.  Use Red Hat
Network to download and update your packages.  To launch the Red Hat
Update Agent, use the following command:

    up2date

For information on how to install packages manually, refer to the
following Web page for the System Administration or Customization
guide specific to your system:

    http://www.redhat.com/docs/manuals/enterprise/

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

135393 - CAN-2004-0888 xpdf integer overflows

6. RPMs required:

Red Hat Enterprise Linux AS (Advanced Server) version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/xpdf-0.92-13.src.rpm
eb893292a8acc37274ca39ed1c5167b7  xpdf-0.92-13.src.rpm

i386:
e7fc401fa264c14f291722cc6882bace  xpdf-0.92-13.i386.rpm

ia64:
59ff577e0a5f8690fd2f866698c18a24  xpdf-0.92-13.ia64.rpm

Red Hat Linux Advanced Workstation 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/xpdf-0.92-13.src.rpm
eb893292a8acc37274ca39ed1c5167b7  xpdf-0.92-13.src.rpm

ia64:
59ff577e0a5f8690fd2f866698c18a24  xpdf-0.92-13.ia64.rpm

Red Hat Enterprise Linux ES version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/xpdf-0.92-13.src.rpm
eb893292a8acc37274ca39ed1c5167b7  xpdf-0.92-13.src.rpm

i386:
e7fc401fa264c14f291722cc6882bace  xpdf-0.92-13.i386.rpm

Red Hat Enterprise Linux WS version 2.1:

SRPMS:
ftp://updates.redhat.com/enterprise/2.1WS/en/os/SRPMS/xpdf-0.92-13.src.rpm
eb893292a8acc37274ca39ed1c5167b7  xpdf-0.92-13.src.rpm

i386:
e7fc401fa264c14f291722cc6882bace  xpdf-0.92-13.i386.rpm

Red Hat Enterprise Linux AS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/xpdf-2.02-9.3.src.rpm
d5e0ad682a7e83311d5588ef25984329  xpdf-2.02-9.3.src.rpm

i386:
c62ccce8752958320f429b2f0275b583  xpdf-2.02-9.3.i386.rpm

ia64:
5e54249c54111231f3e75f82dd7b7382  xpdf-2.02-9.3.ia64.rpm

ppc:
5d9553b6885a16fdf76e4e5d6124ca3d  xpdf-2.02-9.3.ppc.rpm

s390:
933965cf519099e14f691957821ed33e  xpdf-2.02-9.3.s390.rpm

s390x:
bc33104553fa2bc65484df8b0cdfc214  xpdf-2.02-9.3.s390x.rpm

x86_64:
a5a3d7385ddd6a097a28bbf61e0191c6  xpdf-2.02-9.3.x86_64.rpm

Red Hat Desktop version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3desktop/en/os/SRPMS/xpdf-2.02-9.3.src.rpm
d5e0ad682a7e83311d5588ef25984329  xpdf-2.02-9.3.src.rpm

i386:
c62ccce8752958320f429b2f0275b583  xpdf-2.02-9.3.i386.rpm

x86_64:
a5a3d7385ddd6a097a28bbf61e0191c6  xpdf-2.02-9.3.x86_64.rpm

Red Hat Enterprise Linux ES version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/xpdf-2.02-9.3.src.rpm
d5e0ad682a7e83311d5588ef25984329  xpdf-2.02-9.3.src.rpm

i386:
c62ccce8752958320f429b2f0275b583  xpdf-2.02-9.3.i386.rpm

ia64:
5e54249c54111231f3e75f82dd7b7382  xpdf-2.02-9.3.ia64.rpm

x86_64:
a5a3d7385ddd6a097a28bbf61e0191c6  xpdf-2.02-9.3.x86_64.rpm

Red Hat Enterprise Linux WS version 3:

SRPMS:
ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/xpdf-2.02-9.3.src.rpm
d5e0ad682a7e83311d5588ef25984329  xpdf-2.02-9.3.src.rpm

i386:
c62ccce8752958320f429b2f0275b583  xpdf-2.02-9.3.i386.rpm

ia64:
5e54249c54111231f3e75f82dd7b7382  xpdf-2.02-9.3.ia64.rpm

x86_64:
a5a3d7385ddd6a097a28bbf61e0191c6  xpdf-2.02-9.3.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.html#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0888

8. Contact:

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

Copyright 2004 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.0.7 (GNU/Linux)

iD8DBQFBf8DIXlSAg2UNWIIRAncGAJ0biFHxokhUBmgL9dOnbv6YeZ+8nQCfUHl3
cCBJdKfmyuhZwjnW71uK3Hg=
=ZONG
-----END PGP SIGNATURE-----


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