Public bug reported:
Binary package hint: denyhosts
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=7.10
DISTRIB_CODENAME=gutsy
DISTRIB_DESCRIPTION="Ubuntu 7.10"
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Installed/Config-f/Unpacked/Failed-cfg/Half-inst/t-aWait/T-pend
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad)
||/ Name Version Description
+++-==============-==============-================================================
ii denyhosts 2.6-2.1 an utility to help sys admins thwart ssh
hackers
After failed login attempts from a previously unknown host, "denyhosts" will
submit the host's IP address to a centrally-maintained list. (This is referred
to as "sync"). This occasionally fails with an exception thrown, the logs
contain this:
--------
2008-02-01 08:56:11,498 - denyhosts : INFO new denied hosts:
['190.129.118.1']
2008-02-01 10:04:44,116 - sync : ERROR <Fault 1:
'_mysql_exceptions.OperationalError:(1054, "Unknown column \'None\' in \'field
list\'")'>
Traceback (most recent call last):
File "/usr/share/denyhosts/DenyHosts/sync.py", line 100, in __send_new_hosts
self.__server.add_hosts(hosts)
File "xmlrpclib.py", line 1147, in __call__
return self.__send(self.__name, args)
File "xmlrpclib.py", line 1437, in __request
verbose=self.__verbose
File "xmlrpclib.py", line 1201, in request
return self._parse_response(h.getfile(), sock)
File "xmlrpclib.py", line 1340, in _parse_response
return u.close()
File "xmlrpclib.py", line 787, in close
raise Fault(**self._stack[0])
Fault: <Fault 1: '_mysql_exceptions.OperationalError:(1054, "Unknown column
\'None\' in \'field list\'")'>
2008-02-01 10:04:44,227 - sync : INFO sent 1 new host
--------
The log claims "sent 1 new host", but I don't believe that the send
succeeded.
I don't consider this a security vuln, as denyhosts *does* deny
subsequent connection attempts. The bug only prevents the submission of
the hacker to the central database.
This is denyhosts version 2.6-2.1, Python version 2.5.1.
** Affects: denyhosts (Ubuntu)
Importance: Undecided
Status: New
** Affects: denyhosts (Debian)
Importance: Unknown
Status: Unknown
** Bug watch added: Debian Bug tracker #436417
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=436417
** Also affects: denyhosts (Debian) via
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=436417
Importance: Unknown
Status: Unknown
--
denyhosts - exception thrown from "__send_new_hosts"
https://bugs.launchpad.net/bugs/188314
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