[Cialug] Shellshock Bash Remote Code Execution Vulnerability

Scott Yates Scott at yatesframe.com
Thu Sep 25 13:18:20 CDT 2014


Jeffrey, it just boggles my mind they would do that, but that does appear
to be the case.  Bad times ahead.

On Thu, Sep 25, 2014 at 1:13 PM, Jeffrey Ollie <jeff at ocjtech.us> wrote:

> On Thu, Sep 25, 2014 at 1:01 PM, Scott Yates <Scott at yatesframe.com> wrote:
>
> > Thanks Paul, that makes more sense and gives me more to go on.
> >
> > Side note:  Are they REALLY just blankly accepting client side input and
> > stuffing them into environment variables?  Almost feels like a SQL
> > injection attack but on bash.
> >
>
> Yes, they don't seem to explicitly say so, but at least one method for
> remotely triggering the bug is that mod_cgi on Apache takes the values of
> various HTTP headers and stuffs them into environment variables.
>
> --
> Jeff Ollie
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