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Re: Need help w/ Dell Windows security issue: msg#00040

security.vulnerabilities

Subject: Re: Need help w/ Dell Windows security issue

Basically, a simple telnet to the open TCP port causes a particular
service to die.

[...]

I attempted to send many 0x41 chars, and then checked the various
registers in the state dump (dr watson log file) but it does not appear
that my data is getting through.

If you just telnet and it crashes the service right away don't even try to do something with your remaining telnet session..

Dr. Watson - exception number: c0000005 (access violation)

FAULT -> 00403224 8b07 mov eax,[edi] ds:00000000=????????

c0000005 is access violation in read operation. Basically here you smashed your data segment and try to read from it. The most you could do is go up a bit in the program disassembly and find what smashes ds to see is you can get something else to get smashed.

~TB

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