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Category:   Application (Directory)  >   Red Hat Directory Server Vendors:   Red Mexico Soft
Red Hat Directory Server Lets Remote Users Access Administrative CGI Scripts
SecurityTracker Alert ID:  1019857
SecurityTracker URL:  http://securitytracker.com/id/1019857
CVE Reference:   CVE-2008-0893   (Links to External Site)
Date:  Apr 16 2008
Impact:   Disclosure of system information, Disclosure of user information, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 8.0
Description:   A vulnerability was reported in Red Hat Directory Server. A remote user can access certain restricted scripts.

A remote user can access CGI scripts that should be restricted to Directory Server administrative users.

Richard Megginson reported this vulnerability.

Impact:   A remote user can access certain restricted scripts to obtain information or perform administrative functions.
Solution:   The vendor has issued a fix.

The vendor's advisory is available at:

https://rhn.redhat.com/errata/RHSA-2008-0201.html

Vendor URL:  rhn.redhat.com/errata/RHSA-2008-0201.html (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Red Hat Enterprise)

Message History:   None.


 Source Message Contents

Subject:  [RHSA-2008:0201-01] Critical: redhat-ds-admin security update

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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Critical: redhat-ds-admin security update
Advisory ID:       RHSA-2008:0201-01
Product:           Red Hat Directory Server
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2008-0201.html
Issue date:        2008-04-15
CVE Names:         CVE-2008-0892 CVE-2008-0893 
=====================================================================

1. Summary:

An updated redhat-ds-admin package that fixes security issues is now
available for Red Hat Directory Server 8.0.

This update has been rated as having critical security impact by the Red
Hat Security Response Team.

2. Relevant releases/architectures:

Red Hat Directory Server 8.0 (for AS v. 4) - i386, x86_64
Red Hat Directory Server 8.0 (for ES v. 4) - i386, x86_64
Red Hat Directory Server 8.0 (for RHEL 5 Server) - i386, x86_64

3. Description:

Red Hat Administration Server is an HTTP agent that provides management
features for Red Hat Directory Server, an LDAPv3 compliant server.

A shell command injection flaw was discovered in the Red Hat Administration
Server replication monitor CGI script used by Red Hat Directory Server 8.0.
An attacker with access to the replication monitor web page could execute
arbitrary shell commands with the privileges of the Administration Server.
Please Note: by default, the Red Hat Administration Server is run as the
unprivileged user, "nobody". (CVE-2008-0892)

It was discovered that the Red Hat Administration Server did to properly
restrict access to CGI scripts. An unauthenticated remote user with access
to the TCP port used by the Administration Server could access information
or perform certain tasks that should have been restricted to Directory
Server administrative users. Please note: by default the Red Hat
Administration Server uses port 9830, although this can be changed by the
Red Hat Directory Server administrator. (CVE-2008-0893)

In combination, these two flaws allowed an unauthenticated remote attacker
able to access the Red Hat Administration Server TCP port to run arbitrary
code as the user "nobody".

All users of Red Hat Directory Server should upgrade to this updated
package, which addresses these vulnerabilities.


4. Solution:

Users running Red Hat Directory Server on Red Hat Enterprise Linux:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.  

This update is available via Red Hat Network.  Details on how to use 
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/FAQ_58_10188

Users running Red Hat Directory Server on Solaris:

An archive (in .tar.gz format) containing the updated Solaris packages in
.pkg format is available in the Red Hat Directory Server 8.0 Solaris
channel on the Red Hat Network. This archive also contains a file with
further instructions about how to install/upgrade the packages using
Solaris native package management tools.

5. Bugs fixed (http://bugzilla.redhat.com/):

437301 - CVE-2008-0892 Director Server: shell command injection in CGI replication monitor
437320 - CVE-2008-0893 Directory Server: unrestricted access to CGI scripts

6. Package List:

Red Hat Directory Server 8.0 (for AS v. 4):

Source:
ftp://updates.redhat.com/enterprise/4AS/en/RHDirServ/SRPMS/redhat-ds-admin-8.0.0-6.el4dsrv.src.rpm

i386:
redhat-ds-admin-8.0.0-6.el4dsrv.i386.rpm
redhat-ds-admin-debuginfo-8.0.0-6.el4dsrv.i386.rpm

x86_64:
redhat-ds-admin-8.0.0-6.el4dsrv.x86_64.rpm
redhat-ds-admin-debuginfo-8.0.0-6.el4dsrv.x86_64.rpm

Red Hat Directory Server 8.0 (for ES v. 4):

Source:
ftp://updates.redhat.com/enterprise/4ES/en/RHDirServ/SRPMS/redhat-ds-admin-8.0.0-6.el4dsrv.src.rpm

i386:
redhat-ds-admin-8.0.0-6.el4dsrv.i386.rpm
redhat-ds-admin-debuginfo-8.0.0-6.el4dsrv.i386.rpm

x86_64:
redhat-ds-admin-8.0.0-6.el4dsrv.x86_64.rpm
redhat-ds-admin-debuginfo-8.0.0-6.el4dsrv.x86_64.rpm

Red Hat Directory Server 8.0 (for RHEL 5 Server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/RHDirServ/SRPMS/redhat-ds-admin-8.0.0-6.el5dsrv.src.rpm

i386:
redhat-ds-admin-8.0.0-6.el5dsrv.i386.rpm
redhat-ds-admin-8.0.0-6.el5dsrv.i386.rpm
redhat-ds-admin-debuginfo-8.0.0-6.el5dsrv.i386.rpm
redhat-ds-admin-debuginfo-8.0.0-6.el5dsrv.i386.rpm

x86_64:
redhat-ds-admin-8.0.0-6.el5dsrv.x86_64.rpm
redhat-ds-admin-8.0.0-6.el5dsrv.x86_64.rpm
redhat-ds-admin-debuginfo-8.0.0-6.el5dsrv.x86_64.rpm
redhat-ds-admin-debuginfo-8.0.0-6.el5dsrv.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and 
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0892
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0893
http://www.redhat.com/security/updates/classification/#critical

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2008 Red Hat, Inc.
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