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OpenOffice.org 3.3.0 Powerpoint Denial Of Service

OpenOffice.org 3.3.0 Powerpoint Denial Of Service
Posted May 17, 2012
Authored by Sven Jacobias

A review of the code in filter/source/msfilter msdffimp.cxx in OpenOffice.org versions 3.3 and 3.4 Beta 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.

tags | advisory, denial of service
advisories | CVE-2012-2334
MD5 | f6d947efd4efd1f77c34bbe6c9eb9d3a

OpenOffice.org 3.3.0 Powerpoint Denial Of Service

Change Mirror Download
-----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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