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Category:   Application (Web Server/CGI)  >   Apache Vendors:   Apache Software Foundation
Apache IncludesNoExec Options Restrictions Can Be Bypass By Local Users
SecurityTracker Alert ID:  1022296
SecurityTracker URL:  http://securitytracker.com/id/1022296
CVE Reference:   CVE-2009-1195   (Links to External Site)
Date:  May 27 2009
Impact:   Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 2.2.11
Description:   A vulnerability was reported in Apache. A local user can bypass security restrictions.

The "Options" and "AllowOverride" directives are not properly processed. A local user can enable Server Side Includes (SSI) even when the "IncludesNoEXEC" option is set.

If the system is configured with "AllowOverride Options=IncludesNoEXEC", a local user can place "Options Includes" in a '.htaccess' file to cause Server Side Includes to be enabled with exec privileges.

If the system is configured with "AllowOverride Options=IncludesNoEXEC" and with "Options IncludesNoExec" enabled in the same <Directory> context, a local user can place "Options +IncludesNoExec" in a '.htaccess' file to cause Server Side Includes to be enabled with exec privileges.

Jonathan Peatfield reported this vulnerability.

Impact:   A local user can enable Server Side Includes in certain cases when SSI execution should be prohibited.
Solution:   The vendor has issued a source code fix, available at:

http://svn.apache.org/viewvc?view=rev&revision=772997

Vendor URL:  httpd.apache.org/ (Links to External Site)
Cause:   Access control error
Underlying OS:   Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
May 27 2009 (Red Hat Issues Fix) Apache IncludesNoExec Options Restrictions Can Be Bypass By Local Users   (bugzilla@redhat.com)
Red Hat has released a fix for Red Hat Enterprise Linux 5.
Jul 14 2009 (Red Hat Issues Fix) Apache IncludesNoExec Options Restrictions Can Be Bypass By Local Users   (bugzilla@redhat.com)
Red Hat has released a fix for Red Hat Application Stack v2.
Jul 15 2009 (Red Hat Issues Fix for JBoss Enterprise Web Server) Apache IncludesNoExec Options Restrictions Can Be Bypass By Local Users   (bugzilla@redhat.com)
Red Hat has released a fix for JBoss Enterprise Web Server 1.0.0 for Red Hat Enterprise Linux 5.
Jul 17 2009 (Red Hat Issues Fix for JBoss) Apache IncludesNoExec Options Restrictions Can Be Bypass By Local Users   (bugzilla@redhat.com)
Red Hat has released a fix for JBoss Enterprise Web Server 1.0.0 for Red Hat Enterprise Linux 4.
Oct 16 2010 (Sun Issues Fix) Apache IncludesNoExec Options Restrictions Can Be Bypass By Local Users
Sun has issued a fix for Solaris 10 and OpenSolaris.
May 2 2011 (Oracle Issues Fix for Solaris) Apache IncludesNoExec Options Restrictions Can Be Bypass By Local Users
Oracle has issued a fix for Solaris 10 and OpenSolaris.



 Source Message Contents

Date:  Wed, 27 May 2009 17:02:38 -0400
Subject:  Apache httpd


A flaw was found in the handling of the "Options" and "AllowOverride"
directives. In configurations using the "AllowOverride" directive with
certain "Options=" arguments, local users were not restricted from
executing commands from a Server-Side-Include script as intended.
(CVE-2009-1195)


 
 


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