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Category:   Application (Generic)  >   libpng Vendors:   libpng.sourceforge.net
(Fedora Issues Fix for FC1) libpng Buffer Overflows May Let Remote Users Crash the Application or Execute Arbitrary Code
SecurityTracker Alert ID:  1010861
SecurityTracker URL:  http://securitytracker.com/id/1010861
CVE Reference:   CVE-2004-0597, CVE-2004-0598, CVE-2004-0599   (Links to External Site)
Date:  Aug 4 2004
Impact:   Denial of service via network, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.2.5 and 1.0.15
Description:   Several buffer overflow vulnerabilities were reported in libpng. A remote user may be able to execute arbitrary code on the target system.

Red Hat reported that Chris Evans discovered several buffer overflows in libpng during a code audit.

A remote user can create a specially crafted PNG file that, when opened by a target user with an application that uses libpng, will execute arbitrary code on the target user's system [CVE: CVE-2004-0597].

A NULL pointer dereference vulnerability [CVE: CVE-2004-0598] and several integer overflow issues [CVE: CVE-2004-0599] were also reported to be able to cause an affected application to crash when opening a malicious file.

Impact:   A remote user may be able to cause an affected application to crash or execute arbitrary code. The specific impact depends on the application using libpng.
Solution:   Fedora has released a fix, available at:

http://download.fedora.redhat.com/pub/fedora/linux/core/updates/1/

748a5bae718537c066affeab55f8cd13 SRPMS/libpng10-1.0.15-7.src.rpm
2a700f1c32460cd298338eb9ea8eff2f x86_64/libpng10-1.0.15-7.x86_64.rpm
6fd56ffb02374f63a6babfce021bf726
x86_64/libpng10-devel-1.0.15-7.x86_64.rpm
b7413234354a1bb0b0f450a55501ecf3
x86_64/debug/libpng10-debuginfo-1.0.15-7.x86_64.rpm
76795623a70bc6724f03205acce15e63 i386/libpng10-1.0.15-7.i386.rpm
4cbe2c20bb6738d3f1a7674a413218ca i386/libpng10-devel-1.0.15-7.i386.rpm
bfbb7f83ca69dac0aa25345ca74ad4b7
i386/debug/libpng10-debuginfo-1.0.15-7.i386.rpm

Vendor URL:  www.libpng.org/pub/png/libpng.html (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Red Hat Fedora)
Underlying OS Comments:  Fedora Core 1

Message History:   This archive entry is a follow-up to the message listed below.
Aug 4 2004 libpng Buffer Overflows May Let Remote Users Crash the Application or Execute Arbitrary Code



 Source Message Contents

Subject:  [SECURITY] Fedora Core 1 Update: libpng10-1.0.15-7


---------------------------------------------------------------------
Fedora Update Notification
FEDORA-2004-236
2004-08-04
---------------------------------------------------------------------

Product     : Fedora Core 1
Name        : libpng10
Version     : 1.0.15
Release     : 7
Summary     : Old version of libpng, needed to run old binaries.
Description :
The libpng10 package contains an old version of libpng, a library of
functions for creating and manipulating PNG (Portable Network Graphics)
image format files.

This package is needed if you want to run binaries that were linked
dynamically with libpng 1.0.x.

---------------------------------------------------------------------
Update Information:
The libpng package contains a library of functions for creating and
manipulating PNG (Portable Network Graphics) image format files.

During a source code audit, Chris Evans discovered several buffer
overflows in libpng. An attacker could create a carefully crafted PNG
file in such a way that it would cause an application linked with libpng
to execute arbitrary code when the file was opened by a victim. The
Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CAN-2004-0597 to these issues. 

In addition, this audit discovered a potential NULL pointer dereference
in libpng (CAN-2004-0598) and several integer overflow issues
(CAN-2004-0599). An attacker could create a carefully crafted PNG file
in such a way that it would cause an application linked with libpng to
crash when the file was opened by the victim.

Red Hat would like to thank Chris Evans for discovering these issues.

---------------------------------------------------------------------
* Fri Jul 23 2004 Matthias Clasen <mclasen@redhat.com> 1.0.15-7

- Replace the patches for individual security problems with the
  cumulative patch issued by the png developers.
- Build for FC1

* Tue Jun 15 2004 Elliot Lee <sopwith@redhat.com>

- rebuilt

* Mon Jun 14 2004 Matthias Clasen <mclasen@redhat.com> - 1.0.15-5

- Rebuilt for FC2

* Mon Jun 14 2004 Matthias Clasen <mclasen@redhat.com> - 1.0.15-4

- Rebuilt for FC1

* Mon Jun 14 2004 Matthias Clasen <mclasen@redhat.com> - 1.0.15-3

- Reinstate and improve the transfix patch which got lost sometime ago,
  but is still needed for CAN-2002-1363 (#125934)

* Wed May 19 2004 Matthias Clasen <mclasen@redhat.com> 1.0.15-2

- Don't provide libpng-devel (#110161)

* Wed May 19 2004 Matthias Clasen <mclasen@redhat.com> 1.0.15-1

- 1.0.15
- Update rhconf2 patch
- Remove bogus badchunks patch (#89854)

* Mon May 03 2004 Matthias Clasen <mclasen@redhat.com> 1.0.13-13

- Redo the out-of-bounds fix in a slightly better way.

* Wed Apr 21 2004 Matthias Clasen <mclasen@redhat.com> 1.0.13-12

- Bump release number to disambiguate n-v-rs.

* Mon Apr 19 2004 Matthias Clasen <mclasen@redhat.com>

- fix a possible out-of-bounds read in the error message
  handler. #121229

* Tue Mar 02 2004 Elliot Lee <sopwith@redhat.com>

- rebuilt

* Fri Feb 13 2004 Elliot Lee <sopwith@redhat.com>

- rebuilt

* Mon Jun 09 2003 Elliot Lee <sopwith@redhat.com>

- This package has no epochs! remove usage thereof

* Wed Jun 04 2003 Elliot Lee <sopwith@redhat.com>

- rebuilt

* Tue Jun 03 2003 Jeff Johnson <jbj@redhat.com>

- add explicit epoch's where needed.

* Wed Jan 22 2003 Tim Powers <timp@redhat.com>

- rebuilt

* Wed Jan 15 2003 Elliot Lee <sopwith@redhat.com> 1.0.13-7

- Bump & rebuild

* Fri Dec 13 2002 Elliot Lee <sopwith@redhat.com> 1.0.13-6

- Rebuild, merging in multilib change

* Fri Jun 21 2002 Tim Powers <timp@redhat.com>

- automated rebuild

* Sun May 26 2002 Tim Powers <timp@redhat.com>

- automated rebuild

* Tue May 21 2002 Elliot Lee <sopwith@redhat.com> 1.0.13-3

- The package totally broke the backwards compatibility that it was
intended to provide.
  Fixed by setting soname to libpng.so.2, and only tweaking the build
(libpng*.{so,a}) files.
- Use _smp_mflags
- Fix rhconf patch because it was patching a symlink instead of the
actual file.
- Don't provide libpng = {version}, because then the package conflicts
with itself

* Thu May 09 2002 Jeremy Katz <katzj@redhat.com> 1.0.13-2

- rebuild

* Thu May 02 2002 Havoc Pennington <hp@redhat.com> 1.0.13-1

- upgrade to 1.0.13, plus patch tarball from libpng web site
- update rhconf patch to work with new makefiles

* Mon Mar 04 2002 Bernhard Rosenkraenzer <bero@redhat.com> 1.0.12-6

- Revert fix for #59988 as it introduces a worse problem, #60410

* Tue Feb 26 2002 Bernhard Rosenkraenzer <bero@redhat.com> 1.0.12-5

- Conflict with libpng < 1.2.0 (#59988)

* Wed Jan 30 2002 Bill Nottingham <notting@redhat.com> 1.0.12-4

- provide libpng = %{version}, libpng-devel = %{version}

* Wed Jan 09 2002 Tim Powers <timp@redhat.com>

- automated rebuild

* Fri Jan 04 2002 Bill Nottingham <notting@redhat.com> 1.0.12-2

- add devel stuff (we may change this around later)

* Wed Sep 19 2001 Bernhard Rosenkraenzer <bero@redhat.com> 1.0.12-1

- initial compat package


---------------------------------------------------------------------
This update can be downloaded from:
  http://download.fedora.redhat.com/pub/fedora/linux/core/updates/1/

748a5bae718537c066affeab55f8cd13  SRPMS/libpng10-1.0.15-7.src.rpm
2a700f1c32460cd298338eb9ea8eff2f  x86_64/libpng10-1.0.15-7.x86_64.rpm
6fd56ffb02374f63a6babfce021bf726 
x86_64/libpng10-devel-1.0.15-7.x86_64.rpm
b7413234354a1bb0b0f450a55501ecf3 
x86_64/debug/libpng10-debuginfo-1.0.15-7.x86_64.rpm
76795623a70bc6724f03205acce15e63  i386/libpng10-1.0.15-7.i386.rpm
4cbe2c20bb6738d3f1a7674a413218ca  i386/libpng10-devel-1.0.15-7.i386.rpm
bfbb7f83ca69dac0aa25345ca74ad4b7 
i386/debug/libpng10-debuginfo-1.0.15-7.i386.rpm

This update can also be installed with the Update Agent; you can
launch the Update Agent with the 'up2date' command.
---------------------------------------------------------------------




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