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November 2007

3460 - Symantec Altiris Deployment Solution TFTP/MTFTP Service Directory Traversal Vulnerability

ID: 3460
Date: 02/11/2007

Title: 3460 - Symantec Altiris Deployment Solution TFTP/MTFTP Service Directory Traversal Vulnerability
Platform level affected:Net Application - Enterprise
Specific operating systems components affected: 32-bit Windows
Net-enabled software: Enterprise Application
Other software: Other
Remediation Summary:Update your copy of the software with the download available from the supplier.
Vendors affected:Symantec
Applications affected:Altiris Deployment Solution
Adversity source: Unknown
Attack Vector: Vulnerability exploitation
Virulence: Unknown
Warning Status: Imminent
Potential Damage: Remote access
Possible Duration: Unknown
Availability of fix: Available
Type of fix: Patch
Source: iDefense, Inc.
Reliability of source: Known
Source URL: http://labs.idefense.com/intelligence/vulnerabilities/
CVE: CVE-2007-3874
Abstract: 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.

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.

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http://labs.idefense.com/methodology/vulnerability/vcp.php

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X. LEGAL NOTICES

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