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- ISS Internet Scanner Brute Force Bug
-
- alexander tampermeier (alex_tampermeier@HOTMAIL.COM)
- Wed, 17 Feb 1999 23:54:11 PST
-
- The Internet Scanner lets you brute force by using username/password
- pairs specified in the file default.login. I specified a known
- username/password pair but the scanner could not login.
- The reason is that the Internet Scanner needs a carriage return after
- the last username/password pair. If it finds just an EOF marker then the
- password gets modified by adding an additional character.
- For example the password test is modified to testo.
-
- Alexander
-
- alex_tampermeier@hotmail.com
-
- --------------------------------------------------------------------------
-
- Re: ISS Internet Scanner Brute Force Bug
-
- David LeBlanc (dleblanc@MINDSPRING.COM)
- Thu, 18 Feb 1999 17:26:49 -0500
-
- At 11:54 PM 2/17/99 PST, alexander tampermeier wrote:
- >The Internet Scanner lets you brute force by using username/password
- >pairs specified in the file default.login. I specified a known
- >username/password pair but the scanner could not login.
- >The reason is that the Internet Scanner needs a carriage return after
- >the last username/password pair. If it finds just an EOF marker then the
- >password gets modified by adding an additional character.
- >For example the password test is modified to testo.
-
- I believe I fixed this several revisions ago. Although this may be
- _BUG_TRAQ, the best place to report bugs in the scanner is to
- support@iss.net. I'd suggest that you use vi, notepad, or some reasonable
- text editor in the meantime. Just what text editor are you using?
-
- In fact, I know I fixed this quite a while back, because I remember clearly
- having to use VC++'s editor in binary mode to be able to produce a file
- which would cause this problem. If you're running a recent version of the
- scanner, please report which version to support@iss.net, and I'm sure we'll
- get it fixed.
-
-
- David LeBlanc
- dleblanc@mindspring.com
-
- --------------------------------------------------------------------------
-
- Re: ISS Internet Scanner Brute Force Bug
-
- David LeBlanc (dleblanc@MINDSPRING.COM)
- Fri, 19 Feb 1999 09:52:20 -0500
-
- At 10:18 AM 2/19/99 -0000, Stephen Bishop wrote:
- >David,
-
- >> I'd suggest that you use vi, notepad, or some reasonable
- >> text editor in the meantime. Just what text editor are you using?
-
- >At the risk of getting off the subject, I've come across many situations
- where
- >having the last line in a file without a line terminator has caused problems,
- >so I think software should always be written to handle this situation. And
- >even Emacs (which, otherwise, solves all life's problems) allows me to create
- >a file with no line terminator at the end.
-
- I agree. I thought the same thing when I fixed this a long time ago. I
- looked at the code last night, and it looks like it is handling this
- situation just fine. Since the bug does appear to be in recent builds
- (somehow), the work-around would be to place either a blank line or a
- comment (start the line with #) as the last line. Or simply hit the enter
- key at the end of each line.
-
- My version of vi does not allow this, hmmm - checking a few others...
-
- Here's what I've found:
- Terminates all lines:
- vi (Congruent GNU port from ftp.cc.utexas - actually elvis)
- Word
- Wordpad
- edit
- edlin (and adds a ^Z)
-
- Does NOT terminate:
- notepad
- copy con [file]
- VC++ text editor
-
- <joke> Moral of story - always use vi, and life is good 8-)
-
- BTW, as a pre-emptive strike against this one, there _is_ a bug in the NT
- scanner where we're not handling LF-delimited files properly. If you
- happen to have created your user-password pairs under UNIX, run tr on the
- file before using it in the scanner. Alternately, open it in Word and save
- it back out. Notepad will NOT help - it doesn't deal with LF-delimited
- files correctly either. NT's version of perl also makes this easy -
- running the following script does it:
-
- while(<>){print;}
-
-
- David LeBlanc
- dleblanc@mindspring.com
-