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Old 17-05-2004, 22:42   #1
kronas
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Join Date: Jun 2003
Location: heckmondwike
Age: 40
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mac IE and safari vulnerabilities

Quote:
lixlpixel has reported a vulnerability in Mac OS X, potentially allowing malicious web sites to compromise a vulnerable system.

The problem is that the "help" URI handler allows execution of arbitrary local scripts (.scpt) via the classic directory traversal character sequence using "help:runscript".

It is reportedly possible to place arbitrary files in a known location, including script files, on a user's system if the Safari browser has been configured to ("Open "safe" files after download") (default behaviour) by asking a user to download a ".dmg" (disk image) file.

This has been confirmed on Macintosh OS X using Safari 1.2.1 (v125.1) and Internet Explorer 5.2.
Quote:
Solution:
Uncheck ("Open "safe" files after download") in "Safari -> Preferences -> General".

Do not surf the Internet as a privileged user.

Rename the help URI handler.
source: secunia.com

http://secunia.com/advisories/11622/
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