Re: Exec-shield question
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 <peter@adamantix.org>
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
--
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