Re: Vulnerabilities in Informix Webdriver

[John Wright <john () dryfish org>]

I missed the original post so I'm quoting Joshua Poulson instead.

Basically, everything quoted is examples of a default install where no
configuration has been done.

On Wed, Jan 03, 2001 at 10:24:18AM -0800, Joshua R. Poulson wrote:
> > Webdriver is the web interface of Informix database,I found it is
> > vulnerable.In the common condition,webdriver is submitted with a
> > parameter,but if you type http://victim/cgi-bin/webdriver directly,
> > It will return a webpage which you can modify or delete database on
> > it.

The above is a misconfiguration.  webdriver has easy to use configuration
and the above is just the default for a particular set of configurations.

With a proper setup the above URL would send you to a 404 Asset not found or
a company home page or whatever.

> The Web DataBlade manuals have a comment about leaving the AppPage
> Builder program running on a production database on page 11-4 of the
> Version 4.0 Administrator's Guide.
>
>    "You should not install AppPage Builder (APB) in a Production
>     Database, since APB is typically only used during development and
>     can pose a security risk if present in a production database."

You can also set a read_level for a configuration and webdriver will check
this against the read_level of an AppPage and will give a 403 Access not
allowed if you do not have access.

> > Otherwise, webdriver will make a /tmp/.log file,its attribute is
> > -rw-rw-rw,we can make a symlink and get the nobody privilege,
> > although without root privilege,we can deface the website as
> > nobody.
>
> The only files created with a .log extension are debug logs.  What
> version of the web driver are you using?

Logs can be enabled and disabled and moved and placed in secured locations
on disk.