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Secunia Security Advisory 23823

Secunia Security Advisory 23823
Posted Jan 24, 2007
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Adriano Lima has discovered a vulnerability in Apple Mac OS X, which can be exploited by malicious, local users to cause a DoS (Denial of Service).

tags | advisory, denial of service, local
systems | apple, osx
SHA-256 | 6b2d45e53db4c1e34daa1f8b4f5636b3a352dc8cce48bd25dca767afec70da7b

Secunia Security Advisory 23823

Change Mirror Download


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Secunia is proud to announce the availability of the Secunia Software
Inspector.

The Secunia Software Inspector is a free service that detects insecure
versions of software that you may have installed in your system. When
insecure versions are detected, the Secunia Software Inspector also
provides thorough guidelines for updating the software to the latest
secure version from the vendor.

Try it out online:
http://secunia.com/software_inspector/

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TITLE:
Apple Mac OS X "shared_region_map_file_np()" Denial of Service

SECUNIA ADVISORY ID:
SA23823

VERIFY ADVISORY:
http://secunia.com/advisories/23823/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
Local system

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

DESCRIPTION:
Adriano Lima has discovered a vulnerability in Apple Mac OS X, which
can be exploited by malicious, local users to cause a DoS (Denial of
Service).

The vulnerability is caused due to an error in the
"shared_region_map_file_np()" syscall and can cause the system to
become unresponsive by providing a high "mapping_count" value.

The vulnerability is confirmed on Mac OS X 10.4.8 (PPC). Other
versions may also be affected.

SOLUTION:
Grant only trusted users access to affected systems.

PROVIDED AND/OR DISCOVERED BY:
Adriano Lima

ORIGINAL ADVISORY:
http://risesecurity.org/advisory.php?id=RISE-2007001.txt

----------------------------------------------------------------------

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

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


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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