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[Full-disclosure] iDefense Security Advisory 01.13.09: Oracle Secure Backup Administration Server login.php Command Injection Vulnerability

From: iDefense Labs <labs-no-reply_at_nospam>
Date: Tue Jan 13 2009 - 23:05:39 GMT
To: bugtraq@securityfocus.com, vulnwatch@vulnwatch.org, full-disclosure@lists.grok.org.uk


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iDefense Security Advisory 01.13.09
http://labs.idefense.com/intelligence/vulnerabilities/ Jan 13, 2009

I. BACKGROUND Oracle Corp.'s Secure Backup is a tape backup management software, for more information, please visit following website: http://www.oracle.com/technology/products/secure-backup/index.html

II. DESCRIPTION Remote exploitation of two command injection vulnerabilities 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.

In both cases, the vulnerabilities exist in PHP scripts that authenticate a user attempting to use the service.

The first vulnerability is in "php/login.php". By making a login request with a specially crafted cookie value, an attacker can execute arbitrary code on the server.

The second vulnerability is in "php/common.php". This function is called from the "login.php" page. A variable is used to specify a command to be run. An attacker can supply any shell command for this variable and it will be executed in the context of the web server process.

III. ANALYSIS Exploitation allows an attacker to execute arbitrary shell commands in the context of the web server process. Under Windows, the Administration Server runs as SYSTEM, so the injected command will be executed as SYSTEM. Under Linux it runs as an unprivileged user. No authentication is required to exploit this vulnerability.

IV. DETECTION Oracle Corp.'s Secure Backup version for Linux, and Secure Backup version for Windows have been confirmed vulnerable. Other versions and other platforms may also be affected.

V. WORKAROUND Block access to the httpd interface of vulnerable servers.

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-2008-4006 to this issue. This is a candidate for inclusion in the CVE list (http://cve.mitre.org/), which standardizes names for security problems.

VIII. DISCLOSURE TIMELINE 07/18/2008 Initial Vendor Notification 07/30/2008 Initial Vendor Reply 11/24/2008 Additional Vendor Feedback 01/13/2009 Coordinated Public Disclosure

IX. CREDIT 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@idefense.com 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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