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To improve our services to our customers, we have made a number of
additions to the Secunia Advisories and have started translating the
advisories to German.

The improvements will help our customers to get a better
understanding of how we reached our conclusions, how it was rated,
our thoughts on exploitation, attack vectors, and scenarios.

This includes:
* Reason for rating
* Extended description
* Extended solution
* Exploit code or links to exploit code
* Deep links

Read the full description:
http://corporate.secunia.com/products/48/?r=l

Contact Secunia Sales for more information:
http://corporate.secunia.com/how_to_buy/15/?r=l

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TITLE:
Apple Mac OS X "shared_region_make_private_np()" Buffer Overflow

SECUNIA ADVISORY ID:
SA23120

VERIFY ADVISORY:
http://secunia.com/advisories/23120/

CRITICAL:
Less critical

IMPACT:
Privilege escalation, DoS

WHERE:
Local system

OPERATING SYSTEM:
Apple Macintosh OS X
http://secunia.com/product/96/

DESCRIPTION:
LMH has reported a vulnerability in Mac OS X, which potentially can
be exploited by malicious, local users to gain escalated privileges.

The vulnerability is caused due to a boundary error within the
"shared_region_make_private_np()" syscall. This can be exploited to
cause a buffer overflow and may allow execution of arbitrary code
with kernel privileges.

The vulnerability is reported in a fully patched Mac OS X
(28-11-2006). Other versions may also be affected.

SOLUTION:
Grant only trusted users access to affected systems.

PROVIDED AND/OR DISCOVERED BY:
LMH

ORIGINAL ADVISORY:
http://projects.info-pull.com/mokb/MOKB-28-11-2006.html

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
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Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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