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From Edward Quick <>
Subject RE: Bug 51698 - ajp CPing/Forward-Request packet forgery
Date Fri, 02 Sep 2011 13:33:54 GMT
Thanks Mark.  The report says this makes (previous versions of) Apache Tomcat vulnerable to
an authentication bypass and information disclosure, so I'm was just trying to understand
how the example demonstrates that?

-----Original Message-----
From: Mark Thomas [] 
Sent: 02 September 2011 14:18
To: Tomcat Users List
Subject: Re: Bug 51698 - ajp CPing/Forward-Request packet forgery

On 02/09/2011 14:12, Edward Quick wrote:
> Hi there,
> I was testing out the packet forgery example (at
> to see if my site was vulnerable and got the following results.
> I'm not sure looking at the code comments in
> if the output below means it's vulnerable and what exactly that exploited.

Yes, you are vulnerable.

The attack exploits a bug in the AJP connector you have configured.

> Could someone give me a hand please?

See above.


> Thanks,
> Ed.
> C:>java -cp . ForwardRequestForgeryExample
> Sending AJP Forward-Request Packet...
> End
> $ tail -f catalina.out
> Invoke HelloWorldExample.doPost method:
> -------------------------------------------
> Host:
> RemoteAddr:
> LocalPort: 999
> woo: I am here
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