From: Secunia Security Advisories (sec-advsecunia.com)
Date: Mon May 26 2008 - 19:47:05 CDT

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TITLE:
Apple iCal Memory Corruption Vulnerability

SECUNIA ADVISORY ID:
SA30350

VERIFY ADVISORY:
http://secunia.com/advisories/30350/

CRITICAL:
Moderately critical

IMPACT:
DoS, System access

WHERE:
From remote

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

DESCRIPTION:
Rodrigo Carvalho has reported a vulnerability in Apple iCal, which
can potentially be exploited by malicious people to compromise a
vulnerable system.

The vulnerability is caused due to an unspecified error e.g. when
processing an .ics file and can be exploited to cause a memory
corruption.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is reported in iCal 3.0.1, included in Mac OS X
10.5. Other versions may also be affected.

NOTE: Two null-pointer dereference errors, which can cause the
application to crash have also been reported.

SOLUTION:
Do not open .ics files from untrusted sources. Do not use untrusted
CalDAV servers.

PROVIDED AND/OR DISCOVERED BY:
Rodrigo Carvalho, Core Security

ORIGINAL ADVISORY:
http://www.coresecurity.com/?action=item&id=2219

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