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Category:   Application (Generic)  >   Xpdf Vendors:   Glyph and Cog
(Red Hat Issues Fix) Xpdf Bugs in streams and t1lib Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1018909
SecurityTracker URL:  http://securitytracker.com/id/1018909
CVE Reference:   CVE-2007-4352, CVE-2007-5392, CVE-2007-5393   (Links to External Site)
Date:  Nov 7 2007
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.02
Description:   Several vulnerabilities were 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, will execute arbitrary code on the target system. The code will run with the privileges of the target user.

A specially crafted Type 1 font filename can trigger a flaw in the t1lib library and cause code execution [CVE-2007-4033]

Specially crafted data can trigger a memory corruption error in the DCTStream::readProgressiveDataUnit() function in 'xpdf/Stream.cc' [CVE-2007-4352].

Specially crafted data can trigger an integer overflow in the DCTStream::reset() function in 'xpdf/Stream.cc' [CVE-2007-5392].

A specially crafted CCITTFaxDecode filter can trigger a heap overflow in the CCITTFaxStream::lookChar() function in 'xpdf/Stream.cc' [CVE-2007-5393].

The vendor was notified on October 17, 2007.

Alin Rad Pop of Secunia Research reported three of these vulnerabilities. r0ut3r discovered one of these vulnerabilities.

Impact:   A remote user can create a 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 CVE-2007-4352, CVE-2007-5392, and CVE-2007-5393.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2007-1029.html

Vendor URL:  www.foolabs.com/xpdf/ (Links to External Site)
Cause:   Access control error, 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.
Nov 7 2007 Xpdf Bugs in streams and t1lib Let Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2007:1029-01] Important: xpdf security update


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

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

Synopsis:          Important: xpdf security update
Advisory ID:       RHSA-2007:1029-01
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2007-1029.html
Issue date:        2007-11-07
Updated on:        2007-11-07
Product:           Red Hat Enterprise Linux
CVE Names:         CVE-2007-4352 CVE-2007-5392 CVE-2007-5393 
- ---------------------------------------------------------------------

1. Summary:

Updated xpdf packages that fix several security issues 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:

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

Alin Rad Pop discovered several flaws in the handling of PDF files. An
attacker could create a malicious PDF file that would cause Xpdf to crash,
or potentially execute arbitrary code when opened.
(CVE-2007-4352, CVE-2007-5392, CVE-2007-5393)

Users are advised to upgrade to these updated packages, which contain
backported patches to resolve these issues.

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/):

345101 - CVE-2007-4352 xpdf memory corruption in DCTStream::readProgressiveDataUnit()
345111 - CVE-2007-5392 xpdf buffer overflow in DCTStream::reset()
345121 - CVE-2007-5393 xpdf buffer overflow in CCITTFaxStream::lookChar()

6. RPMs required:

Red Hat Enterprise Linux AS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/xpdf-3.00-14.el4.src.rpm
793c0033186cd45a417b9d39fc76978e  xpdf-3.00-14.el4.src.rpm

i386:
fd68f8acce3621be7d97afd31c0107e5  xpdf-3.00-14.el4.i386.rpm
8c5a8df1ab0eeee8cd94629b5bdd1c17  xpdf-debuginfo-3.00-14.el4.i386.rpm

ia64:
d916a48d75fa4d019ffeed16acad1c07  xpdf-3.00-14.el4.ia64.rpm
1693926617f77c08d1cab3030bae24b9  xpdf-debuginfo-3.00-14.el4.ia64.rpm

ppc:
f31e73dea80ba445723e0b81ee81cfcf  xpdf-3.00-14.el4.ppc.rpm
61d08476e3a18c7a6a3f408490858b91  xpdf-debuginfo-3.00-14.el4.ppc.rpm

s390:
f95ab2de0b89c9fe3475a728184da0f7  xpdf-3.00-14.el4.s390.rpm
945670ee1d5a4fa223e85809203a62f9  xpdf-debuginfo-3.00-14.el4.s390.rpm

s390x:
e74e13d3e8ccdd5fd96c9eea45a13a77  xpdf-3.00-14.el4.s390x.rpm
fdb10b1102a0dd45432ec03f00a1ea2b  xpdf-debuginfo-3.00-14.el4.s390x.rpm

x86_64:
50294f8a768117c1c39214ce7a428f8e  xpdf-3.00-14.el4.x86_64.rpm
1302e3a72247378de77ee58e1dc1f0fe  xpdf-debuginfo-3.00-14.el4.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/xpdf-3.00-14.el4.src.rpm
793c0033186cd45a417b9d39fc76978e  xpdf-3.00-14.el4.src.rpm

i386:
fd68f8acce3621be7d97afd31c0107e5  xpdf-3.00-14.el4.i386.rpm
8c5a8df1ab0eeee8cd94629b5bdd1c17  xpdf-debuginfo-3.00-14.el4.i386.rpm

x86_64:
50294f8a768117c1c39214ce7a428f8e  xpdf-3.00-14.el4.x86_64.rpm
1302e3a72247378de77ee58e1dc1f0fe  xpdf-debuginfo-3.00-14.el4.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/xpdf-3.00-14.el4.src.rpm
793c0033186cd45a417b9d39fc76978e  xpdf-3.00-14.el4.src.rpm

i386:
fd68f8acce3621be7d97afd31c0107e5  xpdf-3.00-14.el4.i386.rpm
8c5a8df1ab0eeee8cd94629b5bdd1c17  xpdf-debuginfo-3.00-14.el4.i386.rpm

ia64:
d916a48d75fa4d019ffeed16acad1c07  xpdf-3.00-14.el4.ia64.rpm
1693926617f77c08d1cab3030bae24b9  xpdf-debuginfo-3.00-14.el4.ia64.rpm

x86_64:
50294f8a768117c1c39214ce7a428f8e  xpdf-3.00-14.el4.x86_64.rpm
1302e3a72247378de77ee58e1dc1f0fe  xpdf-debuginfo-3.00-14.el4.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

SRPMS:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/xpdf-3.00-14.el4.src.rpm
793c0033186cd45a417b9d39fc76978e  xpdf-3.00-14.el4.src.rpm

i386:
fd68f8acce3621be7d97afd31c0107e5  xpdf-3.00-14.el4.i386.rpm
8c5a8df1ab0eeee8cd94629b5bdd1c17  xpdf-debuginfo-3.00-14.el4.i386.rpm

ia64:
d916a48d75fa4d019ffeed16acad1c07  xpdf-3.00-14.el4.ia64.rpm
1693926617f77c08d1cab3030bae24b9  xpdf-debuginfo-3.00-14.el4.ia64.rpm

x86_64:
50294f8a768117c1c39214ce7a428f8e  xpdf-3.00-14.el4.x86_64.rpm
1302e3a72247378de77ee58e1dc1f0fe  xpdf-debuginfo-3.00-14.el4.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-2007-4352
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5392
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5393
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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