On Tue, 4 Nov 2003 12:57, Juakin Kanela Loco wrote: > Hello, I would like to know if Exec-shield has non-executable state on its > shared library bss/data VMA's. Since you guys are so deep on your > discussions, you may help me somehow.
Below are the paxtext results for exec-shield on 2.4.22 which indicate that shared library bss/data areas are not executable. PaXtest - Copyright(c) 2003 by Peter Busser <[EMAIL PROTECTED]> Released under the GNU Public Licence version 2 or later Executable anonymous mapping : Killed Executable bss : Killed Executable data : Killed Executable heap : Killed Executable stack : Killed Executable anonymous mapping (mprotect) : Vulnerable Executable bss (mprotect) : Vulnerable Executable data (mprotect) : Vulnerable Executable heap (mprotect) : Vulnerable Executable shared library bss (mprotect) : Vulnerable Executable shared library data (mprotect): Vulnerable Executable stack (mprotect) : Vulnerable Anonymous mapping randomisation test : 8 bits (guessed) Heap randomisation test (ET_EXEC) : 13 bits (guessed) Heap randomisation test (ET_DYN) : 13 bits (guessed) Main executable randomisation (ET_EXEC) : No randomisation Main executable randomisation (ET_DYN) : 12 bits (guessed) Shared library randomisation test : 12 bits (guessed) Stack randomisation test (SEGMEXEC) : 17 bits (guessed) Stack randomisation test (PAGEEXEC) : 17 bits (guessed) Return to function (strcpy) : Vulnerable Return to function (strcpy, RANDEXEC) : Vulnerable Return to function (memcpy) : Vulnerable Return to function (memcpy, RANDEXEC) : Vulnerable Executable shared library bss : Killed Executable shared library data : Killed Writable text segments : Vulnerable -- http://www.coker.com.au/selinux/ My NSA Security Enhanced Linux packages http://www.coker.com.au/bonnie++/ Bonnie++ hard drive benchmark http://www.coker.com.au/postal/ Postal SMTP/POP benchmark http://www.coker.com.au/~russell/ My home page