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Re: [SAFER 000317.EXP.1.5] Netscape Enterprise Server and '?wp'tags
From: monroe () LUCENT COM (Doug Monroe)
Date: Wed, 22 Mar 2000 08:47:50 -0500


Fromwhat I've observed, this '?wp' behavior does NOT affect servers that DENY
directory listings.

This problem was NOT observed on NT4/SP4/NS3.6.3 with a "deny directory
listings"
entry (in obj.conf) of:
  Service method="(GET|HEAD)"
          path="d:/htdocs/go-away.html"
          type="magnus-internal/directory"
          fn="send-error"
Similarly not a problem on Solaris2.6/NS3.6.3 with:
  Service method="(GET|HEAD)"
          path="/home/htdocs/go-away.html"
          type="magnus-internal/directory"
          fn="send-error"

if you leave off the the path="" arg, the server still just errors with 500 on
a '?wp' request...so it would seem to me that this '?wp' problem is only a
problem for those who do not disable directory listing.

$cat go-away.html
<html>
<head>
<title>bzzzttt</title>
</head>
<body bgcolor="#ffffff">
browsing thru directories is not allowed.
</body>
</html>

FWIW- WebPublishing was never enabled on either host.

--
D Monroe

amonotod wrote:

Hello all,

Netscape ENT 3.6 SP3 -or maybe it's SP2- on NT4.0 SP4, vulnerable, even though
WebPublishing has never (not even just to try it out) been enabled.  All
commands (plus more that don't work) listed in bulletin are contained in the
file "_install_path_\SuiteSpot\plugins\content_mgr\bin\content_mgr.dll".

regards,
amonotod

__________________________________________________________

     S.A.F.E.R. Security Bulletin 000317.EXP.1.5
__________________________________________________________


TITLE    : Netscape Enterprise Server and '?wp' tags
DATE     : March 17, 2000
NATURE   : Remote user can obtain list of directories on Netscape
Enterprise Server
AFFECTED : Netscape Enterprise Server 3.x

PROBLEM:

Problem exists in Netscape Enterprise Server that can allow remote user
to obtain list of directories and subdirectories on the server.

DETAILS:

Netscape Enterprise Server with 'Web Publishing' enabled can be tricked
into displaying the list of directories and subdirectories, if user
supplies certain 'tags'. For example:

http://home.netscape.com/?wp-cs-dump

will reveal the contents of the root directory on that web server.
Contents of subdirectories can be obtained as well. Other tags that can
be used are:

?wp-ver-info
?wp-html-rend
?wp-usr-prop
?wp-ver-diff
?wp-verify-link
?wp-start-ver
?wp-stop-ver
?wp-uncheckout

FIXES:

Disable 'Web Publishing'. It is safe to assume that 'Web Publishing' is
not the only feature that will 'activate' this problem. We have found
few servers running Netscape Enterprise Server that did not have 'Web
Publishing' enabled, but were still vulnerable to this problem. Until
Netscape makes an official response and clarify what is the cause of
this problem, it is advised that you test your server against this
vulnerability, and if you are vulnerable, try to disable certain
features and services.

Netscape has been contacted on many occasions, but has failed to
respond.

__________________________________________________________

  S.A.F.E.R. - Security Alert For Entreprise Resources
         Copyright (c) 2000 The Relay Group
http://safer.siamrelay.com  ---  security () relaygroup com
__________________________________________________________




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