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TITLE:
OpenOffice "rtl_allocateMemory()" Truncation Vulnerability

SECUNIA ADVISORY ID:
SA31640

VERIFY ADVISORY:
http://secunia.com/advisories/31640/

CRITICAL:
Moderately critical

IMPACT:
DoS, System access

WHERE:
>From remote

SOFTWARE:
OpenOffice.org 2.x
http://secunia.com/product/6157/

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.

Fixed in the CVS repository.

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

OTHER REFERENCES:
RHSA-2008-0835:
https://rhn.redhat.com/errata/RHSA-2008-0835.html

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About:
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