full-disclosure - Re: [VulnWatch] Heap Overflow in Oracle 9iAS / 10g Application Server Web Cache

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From: jdyson at bugtraq.org (Jay D. Dyson)
Subject: Re: [VulnWatch] Heap Overflow in Oracle 9iAS / 10g Application Server Web Cache

Quick question - from your advisory . . .

On Thu, Apr 08, 2004 at 02:48:43PM +0200, Ioannis Migadakis wrote:
>      Platform: All Oracle supported platforms - 
>                Sun Solaris
>                HP/UX
>                HP Tru64
>                IBM AIX
>                Linux
>                Windows
>      Severity: Critical - Remote Code Execution
>      Category: Heap Overflow 
>  Exploitation: Remote
> 
bracket dot dot dot bracket
> 77FCBF00   MOV DWORD PTR DS:[ESI], ECX
> 77FCBF02   MOV DWORD PTR DS:[ECX+4], ESI
> 
> 
> ECX and ESI are overwritten with the attacker supplied values. By 
> controlling the values of the registers ECX and ESI, it is possible to 
> write an arbitrary dword to any address. It all comes to the WHERE - 
> WHAT situation described in many security related documents. Also the
> buffer is quite large - Oracle9iAS Web Cache uses 4 KB for the HTTP 
> headers as default buffer size. Using different variations of the exploit 
> technique it is possible to overwrite different CPU registers.
> 

Have you attempted to verify exploitability on anything other than windows?

. . . or, are the other architectures just listed as vulnerable to hype up
your ego?

-- 
- -Jay

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