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Vulnerability Note VU#619982

Zone Labs desktop security products fail to properly validate RCPT TO command argument

Overview

Zone Labs desktop security products contains a buffer overflow in the code that processes the RCPT TO command argument. This could allow an attacker to execute arbitrary code with SYSTEM privileges.

I. Description

Zone Labs offers a suite of desktop security products. These products provide a feature that allows incoming and outgoing e-mail messages to be analyzed for malicious content. There is a buffer overflow vulnerability in the component responsible for processing the RCPT TO command argument. By supplying an overly long value to the RCPT TO command, an attacker could execute arbitrary code with SYSTEM privileges. This vulnerability could be exploited remotely if an attacker could cause the victim's system to send a crafted outgoing message.

II. Impact

An attacker could execute arbitrary code with SYSTEM privileges.

III. Solution

Upgrade

According to Zone Labs Security Advisory:

    ZoneAlarm, ZoneAlarm Plus, and ZoneAlarm Pro users should upgrade to version: 4.5.538.001.

    To update your Zone Labs client product:
    1. Select Overview > Preferences.
    2. In the Check for Updates area, choose an update option.
    Automatically: Zone Labs security software automatically notifies you when an update is available.
    Manually: You monitor the Status tab for updates. To invoke an update check immediately, click "Check for Update".
    Integrity 4.0 users should upgrade to Integrity client version: 4.0.146.046.
    Integrity 4.5 users should upgrade to Integrity client version: 4.5.085.
    Integrity updates are available on the Zone Labs Enterprise Support web site.

Systems Affected
VendorStatusDate Updated
Zone AlarmVulnerable24-Feb-2004

References


http://www.eeye.com/html/Research/Advisories/AD20040219.html
http://www.eeye.com/html/Research/Upcoming/20040213-2.html
http://download.zonelabs.com/bin/free/securityAlert/8.html
http://secunia.com/advisories/10921/

Credit

This vulnerability was reported by eEye Digital Security.

This document was written by Damon Morda.

Other Information

Date Public02/13/2004
Date First Published02/24/2004 09:43:56 AM
Date Last Updated02/24/2004
CERT Advisory 
CVE Name 
Metric10.94
Document Revision18

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Copyright 2004 Carnegie Mellon University