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Insecure Library Loading
Moderately critical

OpenOffice "rtl_allocateMemory()" Truncation Vulnerability

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Release Date:  2008-08-28    Views:  7,538

Secunia Advisory SA31640

Where:

From remote

Impact:

DoS, System access

Solution Status:

Vendor Workaround

CVE Reference(s):

Description


A vulnerability has been reported in OpenOffice, which potentially can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a truncation error within the ""rtl_allocateMemory()" function. This can be exploited to cause an out-of-bounds array access by e.g. tricking a user into opening a malicious document.

Successful exploitation may allow the execution of arbitrary code on 64bit platforms.

Note: Reportedly, the pre-built packages distributed by OpenOffice.org and versions compiled with the system allocator ("--with-alloc=system" configuration option) are unaffected.


Solution:
Use the pre-built packages provided by OpenOffice.org.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Chris Evans, Google Security Team

Original Advisory:
http://scary.beasts.org/security/CESA-2008-006.html

http://www.openoffice.org/issues/show_bug.cgi?id=91818
http://www.openoffice.org/issues/show_bug.cgi?id=92217

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: OpenOffice "rtl_allocateMemory()" Truncation Vulnerability

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