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Category:   Application (Generic)  >   Veritas InfoScale Storage Vendors:   Symantec
VERITAS Storage Foundation Veritas Volume Replicator Administration Service Can Be Crashed By Remote Users
SecurityTracker Alert ID:  1018184
SecurityTracker URL:  http://securitytracker.com/id/1018184
CVE Reference:   CVE-2007-1593   (Links to External Site)
Date:  Jun 2 2007
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.0 and prior versions
Description:   A vulnerability was reported in VERITAS Storage Foundation. A remote user can cause denial of service conditions.

A remote user can send specially crafted packets to TCP port 8199 of the Veritas Volume Replicator administration service to consume excessive CPU resources on the target system or cause the target service to crash.

The administration service will restart automatically.

The vendor was notified on November 11, 2006.

CIRT.DK reported this vulnerability to iDefense.

Impact:   A remote user can cause the Veritas Volume Replicator administration service to crash.
Solution:   The vendor has issued a fix, available at:

http://support.veritas.com/docs/286807

The Symantec advisory is available at:

http://www.symantec.com/avcenter/security/Content/2007.06.01a.html

Vendor URL:  www.symantec.com/avcenter/security/Content/2007.06.01a.html (Links to External Site)
Cause:   Input validation error, Randomization error
Underlying OS:  Linux (Any), UNIX (AIX), UNIX (HP/UX), UNIX (Solaris - SunOS), Windows (2000), Windows (2003)

Message History:   None.


 Source Message Contents

Subject:  iDefense Security Advisory 06.01.07: Symantec VERITAS Storage

Symantec VERITAS Storage Foundation Administration Service DoS Vulnerability

iDefense Security Advisory 06.01.07
http://labs.idefense.com/intelligence/vulnerabilities/
June 01, 2007

I. BACKGROUND

The VERITAS Storage Foundation is made up of the Veritas File System,
Veritas Volume Replicator (VVR) products and some other utilities. It
allows virtualization of storage over a variety of platforms, and
contains a remote administration application to configure and monitor
the elements of the storage network. More information can be found at
the following URL.

http://www.symantec.com/enterprise/products/overview.jsp?pcid=1020&pvid=203_1

II. DESCRIPTION

Remote exploitation of an input validation vulnerability in VERITAS
Software Corp.'s Storage Foundation 4.3 Enterprise Administration
service could allow an unauthenticated attacker to consume excessive
resources or crash the service.

The vulnerability specifically exists in the handling of packets
delivered to the VVR Administration service port, TCP/8199. By sending
specially crafted requests to a vulnerable host, attackers are able to
control the size value for memory allocation. In cases where requests
are made for more memory than the system is able to allocate, the
service attempts to write to an invalid pointer, which crashes the
service. If allocation succeeds, the resulting memory will not be
released until the connection is closed. This allows a resource
consumption denial of service attack.

III. ANALYSIS

Successful exploitation of this vulnerability allows remote attackers to
cause the affected service to terminate. As no checks are made that the
values given make sense, it is possible to cause the service to
allocate large amounts of memory, potentially causing severely degraded
system performance and instability in other processes.

Crashing the administration service, which is restarted after 60
seconds, would most likely not directly impact the operation of the
replication service itself. However, it likely the resource consumption
variation would prevent the affected system from being usable for the
duration of the attack.

IV. DETECTION

iDefense Labs confirmed that VERITAS Storage Foundation for Windows
version 4.3.01 is vulnerable. It is suspected that all previous
versions of are vulnerable.

V. WORKAROUND

Applying filtering to the affected port, such that only hosts an
administrator uses can access it, will help mitigate exposure to the
vulnerability.

VI. VENDOR RESPONSE

Symantec has addressed this vulnerability with a software update. For
more information consult their advisory at the following URL.

http://www.symantec.com/avcenter/security/Content/2007.06.01a.html

VII. CVE INFORMATION

The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2007-1593 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

10/11/2006  Initial vendor notification
10/12/2006  Initial vendor response
06/01/2007  Coordinated public disclosure

IX. CREDIT

This vulnerability was reported to iDefense by CIRT.DK. Additionally,
iDefense Labs discovered the ability to consume excessive resources
while researching this vulnerability.

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


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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