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Category:   Application (Generic)  >   gpdf Vendors:   Gnome Development Team
(Red Hat Issues Fix for gpdf) Xpdf Buffer Overflows and Memory Errors Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1022151
SecurityTracker URL:  http://securitytracker.com/id/1022151
CVE Reference:   CVE-2009-0146, CVE-2009-0147, CVE-2009-0166, CVE-2009-0800, CVE-2009-1179, CVE-2009-1180, CVE-2009-1182   (Links to External Site)
Date:  Apr 30 2009
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   Multiple vulnerabilities were reported in 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 or application, will trigger a buffer overflow or memory free error in the JBIG2 decoder and execute arbitrary code on the target system. The code will run with the privileges of the target user or application.

Integer overflows can trigger code execution [CVE-2009-0147, CVE-2009-1179].

Buffer overflows can trigger code execution [CVE-2009-0146, CVE-2009-1182].

Several flaws may cause arbitrary memory to be incorrectly freed, executing arbitrary code [CVE-2009-0166, CVE-2009-1180].

Input validation flaws can trigger code execution [CVE-2009-0800].

Will Dormann of the CERT/CC created the JBIG2 decoder testsuite that was used to discover these vulnerabilities.

Impact:   A remote user can create a file that, when processed by the target user or application, will execute arbitrary code on the target system.
Solution:   Red Hat has released a fix for gpdf, which is affected by these vulnerabilities.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2009-0458.html

Cause:   Access control error, Boundary error, Input validation 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.
Apr 17 2009 Xpdf Buffer Overflows and Memory Errors Let Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2009:0458-01] Important: gpdf security update


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

Synopsis:          Important: gpdf security update
Advisory ID:       RHSA-2009:0458-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2009-0458.html
Issue date:        2009-04-30
CVE Names:         CVE-2009-0146 CVE-2009-0147 CVE-2009-0166 
                   CVE-2009-0195 CVE-2009-0799 CVE-2009-0800 
                   CVE-2009-1179 CVE-2009-1180 CVE-2009-1181 
                   CVE-2009-1182 CVE-2009-1183 
=====================================================================

1. Summary:

An updated gpdf package that fixes multiple security issues is 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. Description:

GPdf is a viewer for Portable Document Format (PDF) files.

Multiple integer overflow flaws were found in GPdf's JBIG2 decoder. An
attacker could create a malicious PDF file that would cause GPdf to crash
or, potentially, execute arbitrary code when opened. (CVE-2009-0147,
CVE-2009-1179)

Multiple buffer overflow flaws were found in GPdf's JBIG2 decoder. An
attacker could create a malicious PDF file that would cause GPdf to crash
or, potentially, execute arbitrary code when opened. (CVE-2009-0146,
CVE-2009-1182)

Multiple flaws were found in GPdf's JBIG2 decoder that could lead to the
freeing of arbitrary memory. An attacker could create a malicious PDF file
that would cause GPdf to crash or, potentially, execute arbitrary code when
opened. (CVE-2009-0166, CVE-2009-1180)

Multiple input validation flaws were found in GPdf's JBIG2 decoder. An
attacker could create a malicious PDF file that would cause GPdf to crash
or, potentially, execute arbitrary code when opened. (CVE-2009-0800)

Multiple denial of service flaws were found in GPdf's JBIG2 decoder. An
attacker could create a malicious PDF that would cause GPdf to crash when
opened. (CVE-2009-0799, CVE-2009-1181, CVE-2009-1183)

Red Hat would like to thank Braden Thomas and Drew Yao of the Apple Product
Security team, and Will Dormann of the CERT/CC for responsibly reporting
these flaws.

Users are advised to upgrade to this updated package, which contains
backported patches to correct 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/docs/DOC-11259

5. Bugs fixed (http://bugzilla.redhat.com/):

490612 - CVE-2009-0146 xpdf: Multiple buffer overflows in JBIG2 decoder (setBitmap, readSymbolDictSeg) (CVE-2009-0195)
490614 - CVE-2009-0147 xpdf: Multiple integer overflows in JBIG2 decoder
490625 - CVE-2009-0166 xpdf: Freeing of potentially uninitialized memory in JBIG2 decoder
495886 - CVE-2009-0799 PDF JBIG2 decoder OOB read
495887 - CVE-2009-0800 PDF JBIG2 multiple input validation flaws
495889 - CVE-2009-1179 PDF JBIG2 integer overflow
495892 - CVE-2009-1180 PDF JBIG2 invalid free()
495894 - CVE-2009-1181 PDF JBIG2 NULL dereference
495896 - CVE-2009-1182 PDF JBIG2 MMR decoder buffer overflows
495899 - CVE-2009-1183 PDF JBIG2 MMR infinite loop DoS

6. Package List:

Red Hat Enterprise Linux AS version 4:

Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/gpdf-2.8.2-7.7.2.el4_7.4.src.rpm

i386:
gpdf-2.8.2-7.7.2.el4_7.4.i386.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_7.4.i386.rpm

ia64:
gpdf-2.8.2-7.7.2.el4_7.4.ia64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_7.4.ia64.rpm

ppc:
gpdf-2.8.2-7.7.2.el4_7.4.ppc.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_7.4.ppc.rpm

s390:
gpdf-2.8.2-7.7.2.el4_7.4.s390.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_7.4.s390.rpm

s390x:
gpdf-2.8.2-7.7.2.el4_7.4.s390x.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_7.4.s390x.rpm

x86_64:
gpdf-2.8.2-7.7.2.el4_7.4.x86_64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_7.4.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/gpdf-2.8.2-7.7.2.el4_7.4.src.rpm

i386:
gpdf-2.8.2-7.7.2.el4_7.4.i386.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_7.4.i386.rpm

x86_64:
gpdf-2.8.2-7.7.2.el4_7.4.x86_64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_7.4.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/gpdf-2.8.2-7.7.2.el4_7.4.src.rpm

i386:
gpdf-2.8.2-7.7.2.el4_7.4.i386.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_7.4.i386.rpm

ia64:
gpdf-2.8.2-7.7.2.el4_7.4.ia64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_7.4.ia64.rpm

x86_64:
gpdf-2.8.2-7.7.2.el4_7.4.x86_64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_7.4.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/gpdf-2.8.2-7.7.2.el4_7.4.src.rpm

i386:
gpdf-2.8.2-7.7.2.el4_7.4.i386.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_7.4.i386.rpm

ia64:
gpdf-2.8.2-7.7.2.el4_7.4.ia64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_7.4.ia64.rpm

x86_64:
gpdf-2.8.2-7.7.2.el4_7.4.x86_64.rpm
gpdf-debuginfo-2.8.2-7.7.2.el4_7.4.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-2009-0146
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0147
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0166
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0195
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0799
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0800
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1179
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1180
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1181
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1182
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1183
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 2009 Red Hat, Inc.
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