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2012.Január 24.(K) 02:35 időpontban Francesco R.(vivo) ezt írta: |
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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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> |
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> BTW this in "vanilla" gentoo does not work because of the permission of |
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> 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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> |
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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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> |
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> hardened gentoo is un-affected as expected (but you already know) |
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> |
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|
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So this exploit is a good example on why hardened gentoo is beneficial. |
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-- |
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dr Tóth Attila, Radiológus, 06-20-825-8057 |
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Attila Toth MD, Radiologist, +36-20-825-8057 |
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