I think an even worse attack would be what happened to WordPress not
too long ago, the code itself on the distribution servers was
tinkered with. It's a little unfair to point out XSS as being only a
Joomla issue. It happens to any software that lingers past even a
single minor 0.1 upgrade, including C libraries and such.
The bottom line is if you are shared hosting you are leaving
"security" in the hands of your ISP period. If you are running your
own boxes and don't have things like Tripwire or Snort running you
are going to be unaware of such attacks anyway.
One of better ways to keep up on it is to monitor files like Bleeding
Edge for software you are running ...
http://www.bleedingsnort.com/bleeding-web.rules
- Jon
On Jun 28, 2007, at 3:21 PM, Ben Sgro ((ProjectSkyline)) wrote:
Hello again,
I've always had an interest in security. Not too long ago a friend
was looking
into deploying joomla for a client. He's a pentester/researcher for
a very well
educated and influential firm = ] , so he had to make sure it was
going to be secure.
He started researching and found that many joomla installs had/have
been comprimised
via XSS attacks.
Today, he posted the link of a site that had been owned by XSS and
the crackers installed this
web based backdoor script.
I grabbed the script and included it here http://
www.projectskyline.com/phplist/r57shell.txt
to show PHP developers AGAIN how important security is and give us
an inside look at
some of the tools our enemies are armed with.
For those that deploy joomla, this is especially something to watch
for.
For everyone else, just something to checkout.
You'll notice this script enables:
- Mail to be sent out (w/or w/out files attached)
- Commands to be run.
- Search for SUID, writable directories, files, tmp files., .
(files) ...
- Outgoing connections to be established
- Some kind of IRC implementation
- SQL to be run
- Files can be downloaded and uploaded
- and much, much more.
- Ben
Ben Sgro, Chief Engineer
ProjectSkyLine - Defining New
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