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An Attackers can use Unicode character under Vista to conceal filenames and filename extensions. A demonstration by Max Ried makes an executable screen-saver file (.scr) look like a harmless image (.jpg).The display of the false filename is due to the inclusion of Unicode control characters that change the direction of writing. These are required for the Arabic language where writing runs from right to left. Unicode recognizes the control characters (PDF) right-to-left override (RLO, 202E) and left-to-right override (LRO, 202D) to switch the writing direction.
 
 
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Linux Kernel Vulnerabilities closed PDF E-mail
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Friday, 18 July 2008

The Stable team (Linux kernel developers)  have announced the release of Linux kernel 2.6.25.11.They have strongly recommended any one who uses Linux kernel 2.6.25 on multiuser x86-64 system to upgrade to the vesion 2.6.25.11. The user with restriced previlleges are able to escalate their access previlleges. The announcer has not given any details of the vulnerability but it was supposed to caused by the filtereing of the LDT.

The new vesion is available at

http://www.linuxhq.com/kernel/v2.6/25.11/index.html

Details

http://article.gmane.org/gmane.linux.kernel/705975

 

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Last Updated ( Friday, 18 July 2008 )
 
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