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TITLE:
Apple QuickTime Quartz Composer Disclosure of System Information

SECUNIA ADVISORY ID:
SA15307

VERIFY ADVISORY:
http://secunia.com/advisories/15307/

CRITICAL:
Not critical

IMPACT:
Exposure of system information

WHERE:
>From remote

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

SOFTWARE:
Apple QuickTime 7.x
http://secunia.com/product/5090/

DESCRIPTION:
David Remahl has reported a weakness in Apple QuickTime, which can be
exploited by malicious people to disclose some system information.

The problem is that Quartz Composer compositions embedded in ".mov"
files can access certain system information, which can be disclosed
to web sites via JavaScript. This can e.g. be exploited to disclose
the local username and directory information by tricking a user into
visiting a malicious web site.

SOLUTION:
Disable the QuickTime browser plugin and do not open ".mov" and
Quartz Composer files from untrusted sources.

PROVIDED AND/OR DISCOVERED BY:
David Remahl

ORIGINAL ADVISORY:
http://remahl.se/david/vuln/018/

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