avast! antivirus May Fail to Detect Certain Viruses
SecurityTracker Alert ID: 1013991|
SecurityTracker URL: http://securitytracker.com/id/1013991
(Links to External Site)
Date: May 18 2005
Host/resource access via network|
Fix Available: Yes Vendor Confirmed: Yes |
Version(s): 4.6.623 and prior|
Juha-Matti Laurio reported a vulnerability in avast! antivirus. Certain types of viruses may not be detected.|
The antivirus software may not properly detect certain virus types. The specific virus types were not identified.
Windows NT 4.0 systems are affected.
The vendor disclosed this vulnerability. Juha-Matti Laurio advised us of this vulnerability.
A virus may bypass the anti-virus detection.|
The vendor has issued a fixed version (4.6.652), available via the application's user interface or at:|
Vendor URL: www.avast.com/ (Links to External Site)
Input validation error, State error|
|Underlying OS: Windows (NT)|
Source Message Contents
Subject: avast! 4 antivirus Unspecified Scan Evation Vulnerability|
A new local type vulnerability was reported in avast! antivirus version
4.6.623 and prior.
A bug causing lack of detection of certain virus types under Windows NT
4.0 operating system platform was fixed in avast! version 4.x anti-virus
This issue is due to a failure of the application to properly handle
certain virus types files.
Detailed information of virus typed handled in this issue is not available.
ALWIL Software avast! 4 Professional Edition
ALWIL Software avast! 4 Home Edition
The vulnerability has been reported in version 4.6.623 of Professional
and Home Edition. Other versions may also be affected as well.
avast! 4 Professional Edition
avast! 4 Home Edition
The vendor has issued a fixed version 4.6.652 available for download at
http://www.avast.com/eng/updates.html or via internal application's user
avast! 4.x Revision History:
avast! antivirus updates:
This information was provided by the vendor.
<juha-matti.laurio [at] netti.fi>