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Category:   Application (Generic)  >   Zip Vendors:   Info-ZIP
(Fedora Issues Fix for FC2) Zip Buffer Overflow in Recursive Directory Compression Lets Local Users Execute Arbitrary Code
SecurityTracker Alert ID:  1012150
SecurityTracker URL:  http://securitytracker.com/id/1012150
CVE Reference:   CVE-2004-1010   (Links to External Site)
Date:  Nov 9 2004
Impact:   Execution of arbitrary code via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.3
Description:   A buffer overflow vulnerability was reported in Zip. A local user may be able to cause arbitrary code to be executed.

HexView reported that a local user can create a long path that, when compressed by Zip, will trigger a buffer overflow and possibly execute arbitrary code contained in a directory name or file name. The code will execute with the privileges of the user or process running Zip.

The original advisory is available at:

http://www.hexview.com/docs/20041103-1.txt

Impact:   A local user may be able to cause arbitrary code to be executed.
Solution:   Fedora has released a fix, available at:

http://download.fedora.redhat.com/pub/fedora/linux/core/updates/2/

c8e36306afa17246d2caeabc498cbc62 SRPMS/zip-2.3-26.2.src.rpm
cd999c652e0d51a7fb349b2867a83662 x86_64/zip-2.3-26.2.x86_64.rpm
7f76d52b21459d5945075e0e6780ff2a x86_64/debug/zip-debuginfo-2.3-26.2.x86_64.rpm
c50729dab4fb95168a9897397b08e55a i386/zip-2.3-26.2.i386.rpm
0a9e2a3140181810fcde221d74f6e121 i386/debug/zip-debuginfo-2.3-26.2.i386.rpm

Vendor URL:  www.info-zip.org/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Red Hat Fedora)
Underlying OS Comments:  FC2

Message History:   This archive entry is a follow-up to the message listed below.
Nov 4 2004 Zip Buffer Overflow in Recursive Directory Compression Lets Local Users Execute Arbitrary Code



 Source Message Contents

Subject:  [Security] Fedora Core 2 Update: zip-2.3-26.2


---------------------------------------------------------------------
Fedora Update Notification
FEDORA-2004-399
2004-11-08
---------------------------------------------------------------------

Product     : Fedora Core 2
Name        : zip
Version     : 2.3                      
Release     : 26.2                  
Summary     : A file compression and packaging utility compatible with PKZIP.
Description :
The zip program is a compression and file packaging utility.  Zip is
analogous to a combination of the UNIX tar and compress commands and
is compatible with PKZIP (a compression and file packaging utility for
MS-DOS systems).

Install the zip package if you need to compress files using the zip
program.

---------------------------------------------------------------------
Update Information:

A buffer overflow has been found in zip which will lead to a buffer
overflow when a user try to create a zip archive which contains very
long filenames.

See:
http://lists.netsys.com/pipermail/full-disclosure/2004-November/028379.html
---------------------------------------------------------------------
* Mon Nov 08 2004 Lon Hohberger <lhh@redhat.com> 2.3-26.2

- Fix buffer overflow. #138230

* Mon Jun 21 2004 Lon Hohberger <lhh@redhat.com> 2.3-24

- Extend max file/archive size to 2^32-8193 (4294959103) bytes
- Include better debugging output for configure script

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

- rebuilt


---------------------------------------------------------------------
This update can be downloaded from:
  http://download.fedora.redhat.com/pub/fedora/linux/core/updates/2/

c8e36306afa17246d2caeabc498cbc62  SRPMS/zip-2.3-26.2.src.rpm
cd999c652e0d51a7fb349b2867a83662  x86_64/zip-2.3-26.2.x86_64.rpm
7f76d52b21459d5945075e0e6780ff2a  x86_64/debug/zip-debuginfo-2.3-26.2.x86_64.rpm
c50729dab4fb95168a9897397b08e55a  i386/zip-2.3-26.2.i386.rpm
0a9e2a3140181810fcde221d74f6e121  i386/debug/zip-debuginfo-2.3-26.2.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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