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iDefense Security Advisory 12.14.05: Trend Micro ServerProtect EarthAgent Remote DoS Vulnerability
From: "labs-no-reply () idefense com" <labs-no-reply () idefense com>
Date: Wed, 14 Dec 2005 14:47:58 -0500
Trend Micro ServerProtect EarthAgent Remote DoS Vulnerability
iDefense Security Advisory 12.14.05
December 14, 2005
Trend Micro Inc.'s ServerProtect provides antivirus scanning with
centralized management of virus outbreaks, scanning, patter file
updates, notifications and remote installations. More information about
the product set is available at:
Remote exploitation of a denial of service vulnerability in Trend Micro
Inc.'s ServerProtect EarthAgent daemon allow attackers to cause the
target process to consume 100% of available CPU resources.
The problem specifically exists within ServerProtect EarthAgent in the
handling of maliciously crafted packets transmitted with the magic value
"\x21\x43\x65\x87" targeting TCP port 5005. A memory leak also occurs
with each received exploit packet allowing an attacker to exhaust all
available memory resources with repeated attack.
Successful exploitation of the described vulnerability allows
unauthenticated remote attackers to consume 100% CPU resources,
increasingly consume memory resources and potentially crash the
underlying operating system. Full CPU utilization can be achieved with a
single packet, memory consumption occurs incrementally on subsequent
iDefense has confirmed the existence of this vulnerability in Trend
Micro ServerProtect for Windows Management Console 5.58 running with
Trend Micro Control Manager 2.5/3.0 and Trend Micro Damage Cleanup
Server 1.1. It is suspected that earlier versions and versions for other
platforms are vulnerable as well.
Employ firewalls, access control lists or other TCP/UDP restriction
mechanisms to limit access to vulnerable systems on TCP port 5005.
VI. VENDOR RESPONSE
The vendor has released the following security advisory for this issue:
"Contact Trend Micro Technical Support to request for the
SPNT5.58_HotfixB1137.zip file, which should only be installed on servers
running SPNT 5.58."
VII. CVE INFORMATION
The Common Vulnerabilities and Exposures (CVE) project has assigned the
name CVE-2005-1928 to this issue. This is a candidate for inclusion in
the CVE list (http://cve.mitre.org), which standardizes names for
VIII. DISCLOSURE TIMELINE
06/03/2005 Initial vendor notification
06/05/2005 Initial vendor response
12/14/2005 Public disclosure
This vulnerability was discovered by Pedram Amini, OpenRCE
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X. LEGAL NOTICES
Copyright © 2005 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
email 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,
- iDefense Security Advisory 12.14.05: Trend Micro ServerProtect EarthAgent Remote DoS Vulnerability labs-no-reply () idefense com (Dec 14)