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Security Activity Bulletin

ActFax Import Users from File Function Remote Stack-Based Buffer Overflow Vulnerability

 
Threat Type:IntelliShield: Security Activity Bulletin
IntelliShield ID:33181
Version:1
First Published:2014 March 05 21:01 GMT
Last Published:2014 March 05 21:01 GMT
Port: Not available
BugTraq ID:55457
Urgency:Unlikely Use
Credibility:Highly Credible
Severity:Moderate Damage
Related Resources:
View related IPS Signature
 
 
Version Summary:ActFax contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code on a targeted system. Updates are not available.
 

Description
 
A vulnerability in ActFax (ActiveFax Server) version 4.3 could allow an unauthenticated, remote attacker to execute arbitrary code on a targeted system.

The vulnerability is due to insufficient bounds checks on user-supplied input while handling certain files. An attacker could exploit this vulnerability by convincing a user to open a specially crafted .csv which submits malicious content to the strcpy() function of the vulnerable software. An exploit could allow the attacker to trigger a stack-based buffer overflow condition, allowing an attacker to execute arbitrary code with elevated privileges on the targeted system.

Functional code that exploits this vulnerability is available as part of the Metasploit framework.

Users are advised not to open unsolicited email attachments. Users should verify that attachments are safe before opening them.

To exploit the vulnerability, the attacker may provide a file to the user and persuade the user to open or execute the file by using misleading language or instructions.

Administrators are advised to implement an intrusion prevention system (IPS) or intrusion detection system (IDS) to help detect and prevent attacks that attempt to exploit this vulnerability.

The vendor has not confirmed the vulnerability and software updates are not available.
 
Alert History
 
Initial Release


Product Sets
 
The security vulnerability applies to the following combinations of products.

Primary Products:
IntelliShieldSecurity Activity Bulletin Original Release Base

Associated Products:
N/A




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The urgency and severity ratings of this alert are not tailored to individual users; users may value alerts differently based upon their network configurations and circumstances. THE ALERT, AND INFORMATION CONTAINED THEREIN, ARE PROVIDED ON AN "AS IS" BASIS AND DO NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE ALERT, AND INFORMATION CONTAINED THEREIN, OR MATERIALS LINKED FROM THE ALERT, IS AT YOUR OWN RISK. INFORMATION IN THIS ALERT AND ANY RELATED COMMUNICATIONS IS BASED ON OUR KNOWLEDGE AT THE TIME OF PUBLICATION AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.
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