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- Try 'rsh victimhost -l realuser ls' and 'rsh victimhost -l nosuchuser ls'.
- The error reported is different.
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- Therefore, it's possible to determine which account names are valid.
- This is an issue only for particularly paranoid sites that probably
- already have rshd disabled, but I thought it would be worth issuing a
- warning anyway.
-
- A cursory investigation of some local machines showed the following:
-
- Affected: Linux, NetBSD, Digital Unix 4.0
- Not affected: HP-UX, Solaris
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- Linux's rsh client also seems to have a bug where the second of the
- above cases prints random error strings. This will all be fixed in the
- next release (unfortunately, not yesterday's release...)
-