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Message-ID: <4728CBEB.2070502@idefense.com> Date: Wed, 31 Oct 2007 14:39:39 -0400 From: iDefense Labs <labs-no-reply@...fense.com> To: vulnwatch@...nwatch.org, full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com Subject: iDefense Security Advisory 10.31.07: Symantec Altiris Deployment Solution TFTP/MTFTP Service Directory Traversal Vulnerability Symantec Altiris Deployment Solution TFTP/MTFTP Service Directory Traversal Vulnerability iDefense Security Advisory 10.31.07 http://labs.idefense.com/intelligence/vulnerabilities/ Oct 31, 2007 I. BACKGROUND Symantec Altiris Deployment Solution is an automated OS deployment solution that is used for deploying and managing servers, desktops, and notebooks from a central location. More information is available on the vendor's site at the following URL. http://www.altiris.com/Products/DeploymentSolution.aspx II. DESCRIPTION Remote exploitation of a directory traversal vulnerability in Symantec's Altiris Deployment Solution products could allow attackers to gain read access to arbitrary files hosted on the Altiris server. Altiris Deployment Solution includes a tftp/mtftp server within its optional PXE server component which suffers from a directory traversal condition. The server runs with SYSTEM level privileges and allows unauthenticated attackers to download any file on the system. III. ANALYSIS Exploitation allows attackers to read arbitrary files from the server machine. The tftp/mftp daemon runs with SYSTEM level privileges, so any file readable by SYSTEM with a known file path can be downloaded without authentication. IV. DETECTION iDefense confirmed the existence of this vulnerability in Altiris Deployment Solution for Windows version 6.8. The specific vulnerable executable is pxemtftp.exe version 6.8.8297.48. V. WORKAROUND If the PXE server component is not required in your environment it should be disabled. VI. VENDOR RESPONSE Symantec Altiris has addressed this vulnerability by releasing a HotFix. More information is available in Symantec's advisory at the following URL. http://www.symantec.com/avcenter/security/Content/2007.10.31.html VII. CVE INFORMATION The Common Vulnerabilities and Exposures (CVE) project has assigned the name CVE-2007-3874 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 07/13/2007 Initial vendor notification 07/16/2007 Initial vendor response 10/31/2007 Public disclosure IX. CREDIT This vulnerability was reported to iDefense by Manuel Santamarina Suarez. Get paid for vulnerability research http://labs.idefense.com/methodology/vulnerability/vcp.php Free tools, research and upcoming events http://labs.idefense.com/ X. LEGAL NOTICES Copyright © 2007 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@...fense.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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