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iDefense Security Advisory 01.13.09: Oracle Secure Backup Administration Server login.php Command Injection Vulnerability
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iDefense Security Advisory 01.13.09
Jan 13, 2009
Oracle Secure Backup is a network backup system for Oracle Databases.
For more information, see:
Remote exploitation of an input validation vulnerability in the
authentication component of Oracle Corp.'s Secure Backup Administration
Server could allow an unauthenticated attacker to execute arbitrary
commands in the context of the running server.
The vulnerability is in a function of common.php which is called from
the login.php page. The script fails to sanitize the input when
verifying the user has permission to use the service.
Successful exploitation allows an attacker to gain complete control over
an affected system. Because the the Administration Server runs as an
unprivileged user, commands will be executed as that user. Under the
Linux (and possibly other) installations many files are installed world
writable. These include the configuration file for the Apache web-server
that the Administration Server is built on. This server starts as the
root user and changes to a user specified by the configuration files.
Since these files are writable by the user it may be possible for them
to gain access to the root user account. Other configuration and
executable files are also able to be changed.
Oracle Corp.'s Secure Backup version 10.1.0.3 for Linux has been
confirmed vulnerable. Other versions and other platforms may also be
Block access to the httpd interface of vulnerable servers Remove write
access for 'other' users to all files. The following command will
recursively change the permissions to remove write permission to
chmod -R o-w directory/
This may prevent some aspects of the system from functioning correctly.
VI. VENDOR RESPONSE
Oracle has released a patch which addresses this issue. For more
information, consult their advisory at the following URL.
VII. CVE INFORMATION
The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2008-5449 to this issue. This is a candidate for inclusion in
the CVE list (http://cve.mitre.org/), which standardizes names for
VIII. DISCLOSURE TIMELINE
03/08/2007 Initial Vendor Notification
03/08/2007 Initial Vendor Reply
11/24/2008 Additional Vendor Feedback
01/13/2009 Coordinated Public Disclosure
The discoverer of this vulnerability wishes to remain anonymous.
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X. LEGAL NOTICES
Copyright © 2009 iDefense, Inc.
Permission is granted for the redistribution of this alert
electronically. It may not be edited in any way without the express
written consent of iDefense. If you wish to reprint the whole or any
part of this alert in any other medium other than electronically,
please e-mail customerservice@xxxxxxxxxxxx for permission.
Disclaimer: The information in the advisory is believed to be accurate
at the time of publishing based on currently available information. Use
of the information constitutes acceptance for use in an AS IS condition.
There are no warranties with regard to this information. Neither the
author nor the publisher accepts any liability for any direct,
indirect, or consequential loss or damage arising from use of, or
reliance on, this information.
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