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TITLE:
Apple Mac OS X Two Vulnerabilities

SECUNIA ADVISORY ID:
SA16047

VERIFY ADVISORY:
http://secunia.com/advisories/16047/

CRITICAL:
Moderately critical

IMPACT:
Manipulation of data, DoS

WHERE:
>From remote

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

DESCRIPTION:
Two vulnerabilities have been reported in Mac OS X, which can be
exploited by malicious people to cause a DoS (Denial of Service) or
replace system widgets on a user's system.

1) A NULL pointer dereference error in the TCP/IP implementation can
be exploited to crash the kernel via a specially crafted TCP/IP
packet.

The vulnerability affects Mac OS X 10.4 and Mac OS X Server 10.4.

2) An error in the Dashboard can be exploited to install widgets with
the same internal identifier (CFBundleIdentifier) as an Apple-supplied
widgets thereby replacing it.

The vulnerability affects Mac OS X 10.4 and Mac OS X Server 10.4.

SOLUTION:
Apply patches.

Mac OS X Server 10.4.2 Combo:
http://www.apple.com/support/downloads/macosxserver1042combo.html

Mac OS X Update 10.4.2:
http://www.apple.com/support/downloads/macosxupdate1042.html

Mac OS X Update 10.4.2 Combo:
http://www.apple.com/support/downloads/macosxupdate1042combo.html

PROVIDED AND/OR DISCOVERED BY:
1) The vendor credits Julian Y. Koh.
2) mithras.the.prophet

ORIGINAL ADVISORY:
Apple:
http://docs.info.apple.com/article.html?artnum=301948

mithras.the.prophet:
http://www1.cs.columbia.edu/~aaron/files/widgets/

OTHER REFERENCES:
US-CERT VU#983429:
http://www.kb.cert.org/vuls/id/983429

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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.

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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