RE: [Samba] Huh... 2.2.8 exploit?!

2003-07-01 Thread Gerald (Jerry) Carter
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On Mon, 30 Jun 2003, Vizitiu, Ciprian wrote:

 Jun 30 16:17:39 server smbd[28856]: [2003/06/30 16:17:39, 0]
 lib/fault.c:fault_report(38) 
 Jun 30 16:17:39 server smbd[28856]:
 === 
 Jun 30 16:17:39 server smbd[28856]: [2003/06/30 16:17:39, 0]
 lib/fault.c:fault_report(39) 
 Jun 30 16:17:39 server smbd[28856]:   INTERNAL ERROR: Signal 11 in pid 28856
 (2.2.8) 
  ^^^
2.2.8 is vunerable.  2.2.8a is not.






cheers, jerry
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[Samba] Huh... 2.2.8 exploit?!

2003-06-30 Thread Vizitiu, Ciprian

... By my mistake a 2.2.8a-1 running on RH8 was exposed to the Internet. It
was cracked in a matter of hours. I noticed it because they've deleted my
smbd. :-| 

I'm ready to reinstall the machine, if there are any logs that anybody is
interested into please say it now. 
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Re: [Samba] Huh... 2.2.8 exploit?!

2003-06-30 Thread Nejc Skoberne
Hi.

 ... By my mistake a 2.2.8a-1 running on RH8 was exposed to the Internet. It
 was cracked in a matter of hours. I noticed it because they've deleted my
 smbd. :-| 

2.2.8a cracked? Isn't this supposed to be the most stable release?

 I'm ready to reinstall the machine, if there are any logs that anybody is
 interested into please say it now. 

Please send them to me. Thank you.

-- 
Nejc Skoberne
Grajska 5
SI-5220 Tolmin
E-mail: [EMAIL PROTECTED]

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Re: [Samba] Huh... 2.2.8 exploit?!

2003-06-30 Thread Jeremy Allison
On Mon, Jun 30, 2003 at 06:08:02PM +0200, Vizitiu, Ciprian wrote:
 
 ... By my mistake a 2.2.8a-1 running on RH8 was exposed to the Internet. It
 was cracked in a matter of hours. I noticed it because they've deleted my
 smbd. :-| 
 
 I'm ready to reinstall the machine, if there are any logs that anybody is
 interested into please say it now. 

Were there any other ports open ? We are not aware of any securty holes
in 2.2.8a (and one of the Samba Team who is a member of ISS has been
testing it on an open Internet connected machine for many weeks now).

Jeremy.
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Re: [Samba] Huh... 2.2.8 exploit?!

2003-06-30 Thread Gmes Gza
Vizitiu, Ciprian rta:

... By my mistake a 2.2.8a-1 running on RH8 was exposed to the Internet. It
was cracked in a matter of hours. I noticed it because they've deleted my
smbd. :-| 

I'm ready to reinstall the machine, if there are any logs that anybody is
interested into please say it now. 
 

Are you really shure, that the computer was breaked through samba, you 
can be sure only if just the samba ports (137,138,139,445) was opened to 
the Internet?!

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RE: [Samba] Huh... 2.2.8 exploit?!

2003-06-30 Thread Vizitiu, Ciprian
 Are you really shure, that the computer was breaked through 
 samba, you 
 can be sure only if just the samba ports (137,138,139,445) 
 was opened to 
 the Internet?!

Yes, totally agree with you. Maybe my message was... No, for sure my message
was badly formulated. I had a RH8 machine with qmail, latest pure-ftpd and
latest Courier IMAP and samba. It was exposed to the Internet and was
cracked. From logs like:

Jun 30 16:17:39 server smbd[28856]: [2003/06/30 16:17:39, 0]
lib/fault.c:fault_report(38) 
Jun 30 16:17:39 server smbd[28856]:
=== 
Jun 30 16:17:39 server smbd[28856]: [2003/06/30 16:17:39, 0]
lib/fault.c:fault_report(39) 
Jun 30 16:17:39 server smbd[28856]:   INTERNAL ERROR: Signal 11 in pid 28856
(2.2.8) 
Jun 30 16:17:39 server smbd[28856]:   Please read the file BUGS.txt in the
distribution 
Jun 30 16:17:39 server smbd[28856]: [2003/06/30 16:17:39, 0]
lib/fault.c:fault_report(41) 
Jun 30 16:17:39 server smbd[28856]:
=== 
Jun 30 16:17:39 server smbd[28856]: [2003/06/30 16:17:39, 0]
lib/util.c:smb_panic(1094) 
Jun 30 16:17:39 server smbd[28856]:   PANIC: internal error 
Jun 30 16:17:39 server smbd[28856]: 
Jun 30 16:19:03 server kernel: Unable to handle kernel paging request at
virtual address 8491bb2e
Jun 30 16:19:03 server kernel:  printing eip:
Jun 30 16:19:03 server kernel: 8491bb2e
Jun 30 16:19:03 server kernel: *pde = 
Jun 30 16:19:03 server kernel: Oops: 
Jun 30 16:19:03 server kernel: lp parport e1000 iptable_filter ip_tables
reiserfs mousedev keybdev hid input usb-ohci usbcore ext3 jbd ips sd_mod
scsi_mod  
Jun 30 16:19:03 server kernel: CPU:0
Jun 30 16:19:03 server kernel: EIP:0010:[8491bb2e]Not tainted
Jun 30 16:19:03 server kernel: EFLAGS: 00010283

... to me *it looks* like a samba exploit. Please note that the trigger for
the whole issue was the absence of smbd file. It was deleted. And that
stopped Winbind auth from working so I started to investigate the issue then
I saw the logs and then looked at the firewall rules that I've modified
short time ago and found the real mistake. 

Is it better now?

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Re: [Samba] Huh... 2.2.8 exploit?!

2003-06-30 Thread Oliver Schulze L.
Signal 11, mmm, that could be a memory error(hardware).
Is the hardware certified? (www.memtest86.com)
HTH
Oliver
Vizitiu, Ciprian wrote:

Are you really shure, that the computer was breaked through 
samba, you 
can be sure only if just the samba ports (137,138,139,445) 
was opened to 
the Internet?!
   

Yes, totally agree with you. Maybe my message was... No, for sure my message
was badly formulated. I had a RH8 machine with qmail, latest pure-ftpd and
latest Courier IMAP and samba. It was exposed to the Internet and was
cracked. From logs like:


 

--
Oliver Schulze L.
[EMAIL PROTECTED]
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Re: [Samba] Huh... 2.2.8 exploit?!

2003-06-30 Thread Nejc Skoberne
Hi.

 Signal 11, mmm, that could be a memory error(hardware).
 Is the hardware certified? (www.memtest86.com)

If it was a hardware error; why would be smbd deleted?

-- 
Nejc Skoberne
Grajska 5
SI-5220 Tolmin
E-mail: [EMAIL PROTECTED]

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RE: [Samba] Huh... 2.2.8 exploit?!

2003-06-30 Thread Vizitiu, Ciprian



  Signal 11, mmm, that could be a memory error(hardware).
  Is the hardware certified? (www.memtest86.com)
 

:-D ... Well it's a IBM e-server. No, I didn't change the original memory
modules.

 If it was a hardware error; why would be smbd deleted?

Good question.
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RE: [Samba] Huh... 2.2.8 exploit?!

2003-06-30 Thread Rashkae
For that matter, why would smbd (but not the system logs) be deleted in
the first place?


Jun 30  2:37am


They hang the man and flog the woman
That steal the goose from off the common,
But let the greater villain loose
That steals the common from the goose.
  --English folk poem, circa 1764








On Mon, 30 Jun 2003, Vizitiu, Ciprian wrote:




  Signal 11, mmm, that could be a memory error(hardware).
  Is the hardware certified? (www.memtest86.com)


:-D ... Well it's a IBM e-server. No, I didn't change the original memory
modules.

 If it was a hardware error; why would be smbd deleted?

Good question.
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RE: [Samba] Huh... 2.2.8 exploit?!

2003-06-30 Thread David Morel
Le lun 30/06/2003 à 08:38, Rashkae a écrit :
 For that matter, why would smbd (but not the system logs) be deleted in
 the first place?

on which FS type on does smbd reside ?

 
 Jun 30  2:37am
 
 
 They hang the man and flog the woman
 That steal the goose from off the common,
 But let the greater villain loose
 That steals the common from the goose.
   --English folk poem, circa 1764
 
 
 
 
 
 
 
 
 On Mon, 30 Jun 2003, Vizitiu, Ciprian wrote:
 
 
 
 
   Signal 11, mmm, that could be a memory error(hardware).
   Is the hardware certified? (www.memtest86.com)
 
 
 :-D ... Well it's a IBM e-server. No, I didn't change the original memory
 modules.
 
  If it was a hardware error; why would be smbd deleted?
 
 Good question.
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RE: [Samba] Huh... 2.2.8 exploit?!

2003-06-30 Thread Vizitiu, Ciprian
Le lun 30/06/2003 à 08:38, Rashkae a écrit :
 For that matter, why would smbd (but not the system logs) be deleted in
 the first place?

on which FS type on does smbd reside ?

ext3. But it served files from a [Homes] on a ReiserFS
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