Eli Kara wrote:

Does this



[EMAIL PROTECTED]:~$ ./poc /usr/bin/passwd

core dumped!


mean we are not vulnerable?

Shachar



Taken from the article:
"A proof of concept code is listed at the end of this article that just core dumps the non-readable but executable ELF file."


Yes, you are vulnerable. Specifically, the PoC demonstrates it is possible for an unprivileged user to read a non-readable ELF executable file. Mind you, the PoC is a proof of only ONE of the bugs present in the ELF loader.

Hope this helps.



I didn't make it non-readable. In short, it doesn't mean anything. Oh well....

         Shachar

--
Shachar Shemesh
Lingnu Open Source Consulting ltd.
http://www.lingnu.com/



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