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Symbolic links in "sticky" directories

Symbolic links in "sticky" directories

Posted Jun 3, 2010 11:26 UTC (Thu) by spender (subscriber, #23067)
In reply to: Symbolic links in "sticky" directories by mikachu
Parent article: Symbolic links in "sticky" directories

The statement taken by itself is incorrect, but the actual feature that has been in grsecurity for over 9 years and Openwall even longer than that also adds hardlink restrictions that prevent exactly your attack.

-Brad


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Symbolic links in "sticky" directories

Posted Jun 3, 2010 12:41 UTC (Thu) by mikachu (guest, #5333) [Link]

Are those restrictions also part of the patches proposed for mainline?

Symbolic links in "sticky" directories

Posted Jun 3, 2010 23:08 UTC (Thu) by kees (subscriber, #27264) [Link]

Ubuntu is carrying the hardlink restrictions as well. I intend to upstream it too, but I'm trying to do one thing at a time; they are different -- but obviously related -- topics.


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