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

Did you know that a change in our assessment rating, exploit code
availability, or if an updated patch is released by the vendor, is
not part of this mailing-list?

Click here to learn more:
http://secunia.com/advisories/business_solutions/

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

TITLE:
Apple Mac OS X Security Update Fixes Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA33179

VERIFY ADVISORY:
http://secunia.com/advisories/33179/

CRITICAL:
Highly critical

IMPACT:
Security Bypass, Cross Site Scripting, Manipulation of data, Exposure
of sensitive information, Privilege escalation, DoS, System access

WHERE:
>From remote

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

DESCRIPTION:
Apple has issued a security update for Mac OS X, which fixes multiple
vulnerabilities.

1) An infinite loop when processing certain embedded fonts in PDF
files within the Apple Type Services server can be exploited to cause
a DoS (Denial of Service) by e.g. tricking a user into opening a
malicious PDF file.

2) A signedness error when handling certain CPIO archive headers
exists within BOM. This can be exploited to execute arbitrary code by
e.g. downloading or viewing a specially crafted CPIO archive.

3) An error within the processing of color spaces within CoreGraphics
can be exploited to cause a heap-based buffer overflow by e.g.
tricking a user into viewing a specially crafted image.

Successful exploitation may allow the execution of arbitrary code.

4) Some security issues and vulnerabilities have been reported in
Adobe Flash Player, which can be exploited by malicious people to
bypass certain security restrictions, manipulate certain data,
conduct cross-site scripting attacks, or disclose sensitive
information.

For more information:
SA32270

5) Multiple integer overflows exist within the "i386_set_ldt()" and
"i386_get_ldt()" system calls, which can be exploited by malicious,
local users to execute arbitrary code with system privileges.

Note: This does not affect PowerPC systems.

6) An infinite loop when handling exceptions in an application linked
to libraries on an NFS share can be exploited to cause a system
shutdown.

7) An integer overflow error exists in the "inet_net_pton()" API of
Libsystem. This can potentially be exploited to e.g. compromise an
application using the vulnerable function.

8) An unspecified error when processing certain input within the
"strptime()" API of Libsystem can be exploited to cause a memory
corruption and potentially execute arbitrary code by e.g. passing a
specially crafted date string to an application using the vulnerable
function.

9) The "Managed Client" functionality does not always apply the
managed screen saver settings correctly, potentially resulting in
e.g. the screen saver lock not working as intended.

10) An infinite loop when processing certain TCP packets exists in
natd, which can be exploited to cause a DoS by sending specially
crafted TCP packets to a vulnerable system.

Successful exploitation requires that Internet Sharing is enabled.

11) An unspecified error within the Podcast Producer server can be
exploited to bypass the authentication mechanism and access
administrative functions.

12) An unspecified error within the handling of malformed UDF volumes
can be exploited to cause a system shutdown by e.g. opening a
specially crafted ISO file.

Additionally, this update enhances the CoreTypes "Download
Validation" capability to detect and warn about more potentially
dangerous file types.

SOLUTION:
Update to Mac OS X 10.5.6 or apply Apple Security Update 2008-008.
http://www.apple.com/support/downloads/

PROVIDED AND/OR DISCOVERED BY:
1) The vendor credits Michael Samarin and Mikko Vihonen, Futurice
Ltd
2, 3, 8) Reported by the vendor.
5) The vendor credits Richard Vaneeden, IOActive, Inc
6) The vendor credits Ben Loer, Princeton University
9) The vendor credits John Barnes of ESRI and Trevor Lalish-Menagh of
Tamman Technologies, Inc
10) The vendor credits Alex Rosenberg of Ohmantics and Gary Teter of
Paizo Publishing
12) The vendor credits Mauro Notarianni of PCAX Solutions

ORIGINAL ADVISORY:
http://support.apple.com/kb/HT3338

OTHER REFERENCES:
SA32270:
http://secunia.com/advisories/32270/

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

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/advisories/secunia_security_advisories/

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

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

Unsubscribe: Secunia Security Advisories
http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org

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