[9433] in bugtraq
Re: Buffer overflow in Solaris 2.6/2.7 /usr/bin/lpstat
daemon@ATHENA.MIT.EDU (GANG WANG)
Tue Feb 9 14:45:21 1999
Date: Mon, 8 Feb 1999 19:55:38 -0800
Reply-To: GANG WANG <gang_w@goselecttech.com>
From: GANG WANG <gang_w@GOSELECTTECH.COM>
X-To: plasmoid deep/thc/clb <plasmoid@PIMMEL.COM>
To: BUGTRAQ@NETSPACE.ORG
Neither does some other charaters like \t ...
It seems lpstat uses sscanf or something like that to
get its parameters.
G.
-----Original Message-----
From: GANG WANG <gang_w@goselecttech.com>
To: plasmoid deep/thc/clb <plasmoid@PIMMEL.COM>; BUGTRAQ@NETSPACE.ORG
<BUGTRAQ@NETSPACE.ORG>
Date: Monday, February 08, 1999 6:31 PM
Subject: Re: Buffer overflow in Solaris 2.6/2.7 /usr/bin/lpstat
>Things are a little different on Solaris 2.6 Sparc. lpstat only
>accepts a buffer which doesn't contain \x20,\x0a or \x3b.
>Can sb teach me how to write a shellcode on solaris sparc
>without those charaters? I feel that I'm so stupid:-(
>
>G.
>
>-----Original Message-----
>From: plasmoid deep/thc/clb <plasmoid@PIMMEL.COM>
>To: BUGTRAQ@NETSPACE.ORG <BUGTRAQ@NETSPACE.ORG>
>Date: Wednesday, January 27, 1999 11:16 AM
>Subject: Buffer overflow in Solaris 2.6/2.7 /usr/bin/lpstat
>
>
>>
>>On Aug/25/98 Sun released the following patches for lp:
>>
>> Solaris2.6 Sparc: 106235-02
>> Solaris2.6 x86: 106236
>>
>>It is quite sad, that they did not fix another overflow in
>>/usr/bin/lpstat. I testified this bug on either Solaris 2.7 x86
>>and 2.6 Sparc, I assume that it is also present on Solaris 2.6
>>x86 and 2.7 Sparc.
>>
>>Solaris 2.7 x86
>>% plasmoid@gorkie:foo> lpstat -c `perl -e 'print "A" x 998'`
>>% UX:lpstat: ERROR: Class
>> [...]
>>% AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" does
>>% not exist.
>>% TO FIX: Use the "lpstat -c all" command to list
>>% all known classes.
>>% Segmentation Fault
>>% plasmoid@gorkie:foo>
>>
>>Solaris 2.6 Sparc
>>% plasmoid@bock:foo> lpstat -c `perl -e 'print "AAAA" x 250'`
>>% UX:lpstat: ERROR: Class
>> [...]
>>% AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" does not
>>% exist.
>>% TO FIX: Use the "lpstat -c all" command to list
>>% all known classes.
>>% Segmentation Fault
>>% plasmoid@bock:foo>
>>
>>This overflow is definitly exploitable, i attached the exploit for
>>Solaris x86. Quality patches for all Solaris versions can be obtained
>>from www.hert.org, a fast security source.
>>
>>plasmoid deep/thc/clb
>>http://thc.inferno.tusculum.edu
>>
>>
>>
>
