DSM-G600, DNS-3xx and NSA-220 Hack Forum
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#1 2009-03-23 03:24:09
- Caretaker
- Member
- Registered: 2009-03-23
- Posts: 8
SSH refusing root pw
Using DNS-323, Fw. 1.06, Fun_plug 0.5
Suddenly SSH is refusing the root pw. Found following in the logfile:
Mar 23 00:56:17 DNS-323 auth.err sshd[1983]: error: Could not get shadow information for root
Mar 23 00:56:17 DNS-323 auth.info sshd[1983]: Failed password for root from 192.168.0.6 port 1803 ssh2
Mar 23 00:56:17 DNS-323 auth.info sshd[1983]: Excess permission or bad ownership on file /var/log/btmp
First line with missing shadow info was allways present, but could log in, last 2 lines are since refusal of the pw. Could not finde any folder/File /var/log/btmp.
How can I enter with SSH again ?
Thanks in advance.
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#2 2009-03-24 05:07:47
- madpenguin
- Member
- Registered: 2008-12-25
- Posts: 77
Re: SSH refusing root pw
Using telnet would probably be the best route. Hopefully it'll still let you.
I'd probably do something like this:
<telnet into your box>
touch /var/log/btmp
chown root:root /var/log/btmp
chmod 644 /var/log/btmp
sed -i 's%#ENCRYPT_METHOD DES%ENCRYPT_METHOD MD5%' /ffp/etc/login.defs
pwconv
grpconv
passwd
<enter your new root password>
store-passwd.sh
chmod 644 /ffp/start/telnetd.sh
chmod 755 /ffp/start/sshd.sh
exit
<ssh into your box>
reboot
Then.... Hopefully you don't have the same problem after it reboots... ;-)
Last edited by madpenguin (2009-03-24 05:09:17)
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#3 2009-03-25 21:00:59
- Caretaker
- Member
- Registered: 2009-03-23
- Posts: 8
Re: SSH refusing root pw
Thanks madpenguin, I made it radical, removed and installed newly.
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#4 2009-03-26 16:49:10
#5 2009-03-27 21:06:31
- Caretaker
- Member
- Registered: 2009-03-23
- Posts: 8
Re: SSH refusing root pw
The fun in that is, that I put the fun_plug now on usb stick 
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