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Category:   Application (Generic)  >   Apache OpenOffice Vendors:   Apache Software Foundation, OpenOffice.org
OpenOffice.org PowerPoint Processing Flaw May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1027070
SecurityTracker URL:  http://securitytracker.com/id/1027070
CVE Reference:   CVE-2012-2334   (Links to External Site)
Updated:  May 28 2012
Original Entry Date:  May 16 2012
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.3 and 3.4 Beta; possibly earlier versions
Description:   A vulnerability was reported in OpenOffice.org. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a PowerPoint file with a specially crafted graphics record that, when loaded by the target user, will trigger a memory error or integer overflow and cause the target user's application to crash or potentially execute arbitrary code.

The vulnerability resides in 'filter/source/msfilter/msdffimp.cxx'.

Sven Jacobias reported this vulnerability.

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:   The vendor has issued a fix (3.4).

The vendor's advisory is available at:

http://www.openoffice.org/security/cves/CVE-2012-2334.html

Vendor URL:  www.openoffice.org/security/cves/CVE-2012-2334.html (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jun 5 2012 (Red Hat Issues Fix) OpenOffice.org PowerPoint Processing Flaw May Let Remote Users Execute Arbitrary Code
Red Hat has issued a fix for Red Hat Enterprise Linux 5 and 6.



 Source Message Contents

Subject:  CVE-2012-2334 Vulnerabilities related to malformed Powerpoint files in OpenOffice.org 3.3.0

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

CVE-2012-2334 Vulnerabilities related to malformed Powerpoint files
in OpenOffice.org 3.3.0

Reference: http://www.openoffice.org/security/cves/CVE-2012-2334.html

Severity: Important

Vendor: The Apache Software Foundation

Versions Affected:

OpenOffice.org 3.3 and 3.4 Beta, on all platforms.
Earlier versions may be also affected.

Description:

A review of the code in filter/source/msfilter msdffimp.cxx revealed
some unchecked memory allocations, which could be exploited via
malformed Powerpoint graphics records ("escher") to cause bad_alloc
exceptions. From this vulnerability a denial of service attack is
possible.

Mitigation

OpenOffice.org 3.3.0 and 3.4 beta users are advised to upgrade to
Apache OpenOffice 3.4. Users who are unable to upgrade immediately
should be cautious when opening untrusted documents.

Credits

The Apache OpenOffice Security Team credits Sven Jacobias as the
discoverer of this flaw.
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