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On Tuesday 24 January 2012 00:49:19 Tóth Attila wrote: |
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> Please take a look at on this exploit: |
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> http://blog.zx2c4.com/749 |
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> It is interesting to think about /proc/pid/mem protection and about |
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> building su with PIE enabled... |
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> |
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> Regards: |
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> Dw. |
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BTW this in "vanilla" gentoo does not work because of the permission of the su |
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file: |
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ls -l /usr/bin/su |
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-rws--x--x 1 root root 36776 18 gen 21.31 /usr/bin/su |
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readelf cannot read the address, but there can be other ways to access the |
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binary for example for group "disk" |
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hardened gentoo is un-affected as expected (but you already know) |
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