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Category:   Application (Web Server/CGI)  >   Apache HTTPD Vendors:   Apache Software Foundation
Apache Web Server May Display Directory Index Listings Even if Directory Listings Are Disabled
SecurityTracker Alert ID:  1001083
SecurityTracker URL:  http://securitytracker.com/id/1001083
CVE Reference:   GENERIC-MAP-NOMATCH   (Links to External Site)
Date:  Mar 13 2001
Impact:   Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 1.3.19
Description:   The Apache Software Foundation announced the release of version 1.3.19 of the Apache HTTP web server to fix a security problem which could lead to a directory listing being displayed instead of an error message.

According to the report, the default Apache installation could lead to the mod_negotiation and mod_dir/mod_autoindex modules displaying a directory listing to a remote user instead of the index.html.* files. This may occur if a very long path is created using many slashes. In the fixed version, a "403 FORBIDDEN" error message is returned.

Impact:   A remote user could obtain directory listings of web directories even if directory index listings are disabled.
Solution:   The vendor considers Apache 1.3.19 "to be the best version of Apache available" and the vendor strongly recommends that users upgrade to this version, especially users of the 1.1.x and 1.2.x family.

Apache 1.3.19 is available for download from:
http://httpd.apache.org/dist/

Binary distributions are available from:
http://httpd.apache.org/dist/binaries/

Vendor URL:  apache.org (Links to External Site)
Cause:   Boundary error, Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
(Exploit Code Released) Re: Apache Web Server May Display Directory Index Listings Even if Directory Listings Are Disabled
Exploit code has been released.
(Trustix Issues Fix) Re: Apache Web Server May Display Directory Index Listings Even if Directory Listings Are Disabled
Trustix has issued a fix.
(EnGarde Releases Fix) Re: Apache Web Server May Display Directory Index Listings Even if Directory Listings Are Disabled
The vendor has released a fix.
(Mandrake Issues Fix) Apache Web Server May Display Directory Index Listings Even if Directory Listings Are Disabled
The vendor has released a fix.
(Mandrake Issues Fix for Single Network Firewall) Apache Web Server May Display Directory Index Listings Even if Directory Listings Are Disabled
The vendor has released a fix for the Mandrake Linux Single Network Firewall.
(Red Hat Issues Fix for Red Hat Secure Web Server) Apache Web Server May Display Directory Index Listings Even if Directory Listings Are Disabled
The vendor has released a fix for Red Hat Secure Web Server.



 Source Message Contents

Subject:  FORW: [ANNOUNCE] Apache 1.3.19 Released


Perhaps I missed it, but I don't recall seeing this vulnerability discussed
on Bugtraq.  They don't make it clear which pre-1.3.19 versions of Apache
are affected.  I've emailed Martin Kraemer for clarification and will post
here when/if he responds.


------- Forwarded Message

Date: Mon, 12 Mar 2001 02:16:16 -0800
From: Martin Kraemer <martin@apache.org>
To: announce@apache.org
Subject: [ANNOUNCE]  Apache 1.3.19 Released
Message-ID: <20010312021615.A87006@daedalus.apache.org>
Organization: Apache Software Foundation

[Sorry for the late announcement. The package is already available since 01-Mar-2001. Martin]

                            Apache 1.3.19 Released

   The Apache Software Foundation and The Apache Server Project are
   pleased to announce the release of version 1.3.19 of the Apache HTTP
   server. (Version 1.3.18 was not released due to an incorrect fix
   addressing hostnames with url-escaped characters. A corrected fix will
   be included in the next release)

   This version of Apache is primarily a security fix release
   addressing a problem which could lead to a directory listing being
   displayed in place of an error message. Also, it fixes
   some broken functionality present in the 1.3.17 release and
   various Win32 issues.
   A summary of the new features is given at the end of this document.

   We consider Apache 1.3.19 to be the best version of Apache available
   and we strongly recommend that users of older versions, especially of
   the 1.1.x and 1.2.x family, upgrade as soon as possible. No further
   releases will be made in the 1.2.x family.

   Apache 1.3.19 is available for download from

     http://httpd.apache.org/dist/

   Please see the CHANGES_1.3 file in the same directory for a full list
   of changes.

   Binary distributions are available from

     http://httpd.apache.org/dist/binaries/

   The source and binary distributions are also available via any of the
   mirrors listed at

     http://www.apache.org/mirrors/

   As of Apache 1.3.12 binary distributions contain all standard Apache
   modules as shared objects (if supported by the platform) and include
   full source code. Installation is easily done by executing the
   included install script. See the README.bindist and INSTALL.bindist
   files for a complete explanation. Please note that the binary
   distributions are only provided for your convenience and current
   distributions for specific platforms are not always available.

   As of Apache 1.3.17 the Win32 binary distribution is now based on the
   Microsoft Installer (.MSI) technology.  This change occured in order
   to resolve the many problems WinME and Win2K users experienced with
   the older InstallShield-based installer .exe file.  Development
   continues to make this new installation method more robust, questions
   should be directed at the news:comp.infosystems.www.servers.ms-windows
   news group.  Apache 1.3.17 for Win32 also marked the first 'initial
   release quality' version available for Win32, and users are strongly
   discouraged from using the older 'beta quality releases'.

   For an overview of new features introduced after 1.2 please see

     http://httpd.apache.org/docs/new_features_1_3.html

   In general, Apache 1.3 offers several substantial improvements over
   version 1.2, including better performance, reliability and a wider
   range of supported platforms, including Windows 95/98 and NT (which
   fall under the "Win32" label).

   Apache is the most popular web server in the known universe; over half
   of the servers on the Internet are running Apache or one of its
   variants.

   IMPORTANT NOTE FOR WIN32 USERS: Over the years, many users have come
   to trust Apache as a secure and stable server. It must be realized
   that the current Win32 code has not yet reached the levels of the Unix
   version, but is of acceptable quality. Any Win32 stability or security
   problems do not impact, in any way, Apache on other platforms.

                         Apache 1.3.19  Major changes

   The primary security fix is:
     * The default installation could lead mod_negotiation and mod_dir or
       mod_autoindex to display a directory listing instead of the
       multiview'ed index.html.* files, if a very long path was created
       artificially by using many slashes.  Now 403 FORBIDDEN is returned.

   The bug fixes are:
     * The ServerRoot directive now removes trailing slashes.
     * Restore functionality broken by the mod_rewrite security fix:
       The mod_rewrite string arithmetic is corrected for rewrite map.
     * Some possible segfault conditions have been fixed.
     * Under certain circumstances, Apache did not supply the
       right response headers when requiring authentication.

   The main new features include:
     * New configuration error reporting if the UserDir argument is set
       to a relative path on Win32 or Netware [which do not support home
       directories], or a relative path on any platform if that path
       includes the '*' username substitution.

   Selected new features that relate to Windows platforms:
     * Apache on Win9x now ensures the service is stopped before removal.
     * Test httpd.conf (-t) now holds the console open on "SYNTAX OK".
     * Apache/Win32 no longer holds open the console on error unless
       it was invoked from a shortcut with the -w option.
     * mod_user was significantly refactored to assure that the UserDir
       directive is parsed effectively the same across platforms, fixing
       a UserDir bug introduced in 1.3.17 on the Win32 platform.

   Selected new features relating to other platforms:
     * Netware problems with file extension truncatation are resolved.
     * Netware recognizes the SERVER/VOLUME:/PATH/FILE filename pattern.
     * Netware mod_tls properly disables nagle for SSL connections,
       and properly negotiates SSL based on the port.
     * Startup and Shutdown issues were addressed on TPF.

- --
<Martin.Kraemer@Fujitsu-Siemens.com>    |       Fujitsu Siemens
       <martin@apache.org>              |   81730  Munich,  Germany

- ---------------------------------------------------------------------
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------- End of Forwarded Message


----------------------------------------------------------------------
Dan Harkless                   | To prevent SPAM contamination, please
dan-bugtraq@dilvish.speed.net  | do not mention this private email
SpeedGate Communications, Inc. | address in Usenet posts.  Thank you.


 
 


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