Bug 33389 - guestusers with delimiter ',' gives root access
guestusers with delimiter ',' gives root access
Status: CLOSED NOTABUG
Product: Red Hat Linux
Classification: Retired
Component: wu-ftpd (Show other bugs)
6.2
i386 Linux
medium Severity medium
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Assigned To: Bernhard Rosenkraenzer
David Lawrence
: Security
Depends On:
Blocks:
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Reported: 2001-03-27 09:11 EST by Need Real Name
Modified: 2007-04-18 12:32 EDT (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2001-03-27 09:11:43 EST
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Description Need Real Name 2001-03-27 09:11:39 EST
From Bugzilla Helper:
User-Agent: Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)


When in /etc/ftpaccess guestusers are defined with delimiter ',' they are 
allowed root access when ftp'ing.

Reproducible: Always
Steps to Reproduce:
1.Create a set of logins, say guest1, guest2, guest3
2.add line to /etc/ftpaccess:
 guestuser guest1,guest2,guest3
3.login using guest1 from a client workstation onto the server.
	

Actual Results:  you get your root access. your directory permissions are 
not restricted, etc.


Expected Results:  either parsing of /etc/ftpaccess should ignore the 
lines or something else but should not give root access
Comment 1 Bernhard Rosenkraenzer 2001-03-27 11:56:30 EST
It does NOT give you root access (==access to the root account). It just gives 
you access to the root directory, which is the correct behavior, since the 
user is not listed as a guest user.

Fixing this would break situations where an admin wants to make an actual user 
with the login name "guest1,guest2" a guest user.

Both situations are a result of not reading the documentation (wrong syntax in 
/etc/ftpaccess or bad symantics for user names), so I consider both of them to 
be the same and won't break one to fix the other.


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