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Category:   Application (Security)  >   VisNetic MailServer Vendors:   Deerfield.com
VisNetic AntiVirus Plug-in for Mail Server Lets Local Users Obtain Elevated Privileges
SecurityTracker Alert ID:  1015670
SecurityTracker URL:  http://securitytracker.com/id/1015670
CVE Reference:   CVE-2006-0812   (Links to External Site)
Date:  Feb 23 2006
Impact:   Execution of arbitrary code via local system, Root access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): AntiVirus Plug-in 4.6.0.4 and 4.6.1.1; possibly other versions
Description:   A vulnerability was reported in VisNetic AntiVirus Plug-in for the VisNetic Mail Server. A local user can obtain elevated privileges.

The VisNetic AntiVirus Plug-in (DKAVUpSch.exe) does not drop privileges before invoking other programs. A local user can cause the plug-in to invoke and execute arbitrary programs on the target system with SYSTEM level privileges.

The vendor was notified on September 7, 2005.

Secunia Research discovered this vulnerability.

Impact:   A local user can obtain SYSTEM privileges.
Solution:   The vendor has issued a fixed version of the AntiVirus Plug-in (4.6.1.2).
Vendor URL:  www.deerfield.com/products/visnetic-mailserver/antivirus/ (Links to External Site)
Cause:   Access control error
Underlying OS:  Windows (2000), Windows (2003), Windows (XP)

Message History:   None.


 Source Message Contents

Subject:  [Full-disclosure] Secunia Research: Visnetic AntiVirus Plug-in for

====================================================================== 

                     Secunia Research 23/02/2006

  - Visnetic AntiVirus Plug-in for MailServer Privilege Escalation -

====================================================================== 
Table of Contents

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

====================================================================== 
1) Affected Software 

Visnetic AntiVirus Plug-in for MailServer 4.6.0.4 and 4.6.1.1.

NOTE: Other versions may also be affected.

====================================================================== 
2) Severity 

Rating: Less critical
Impact: Privilege escalation
Where:  Local system

====================================================================== 
3) Vendor's Description of Software 

"The best means of protecting your organization from email-propagated
viruses is antivirus protection for your mail server. The VisNetic
AntiVirus Plug-in is tightly integrated antivirus protection designed
specifically for VisNetic Mail Server.".

Product Link:
http://www.deerfield.com/products/visnetic-mailserver/antivirus/

====================================================================== 
4) Description of Vulnerability

Secunia Research has discovered a vulnerability in Visnetic AntiVirus
Plug-in for MailServer, which can be exploited by malicious, local
users to gain escalated privileges.

The vulnerability is caused due to the Visnetic AntiVirus Plug-in
(DKAVUpSch.exe) not dropping its privileges before invoking other
programs. This can be exploited to invoke arbitrary programs on the
system with SYSTEM privileges.

====================================================================== 
5) Solution 

Update to version 4.6.1.2.

====================================================================== 
6) Time Table 

07/09/2005 - Vendor notified (1st notice).
07/02/2006 - Vendor notified (2nd notice).
21/02/2006 - Vendor notified (3rd notice).
21/02/2006 - Vendor response.
23/02/2006 - Public disclosure.

====================================================================== 
7) Credits 

Discovered by Secunia Research.

====================================================================== 
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2006-0812 for the vulnerability.

====================================================================== 
9) About Secunia 

Secunia collects, validates, assesses, and writes advisories regarding 
all the latest software vulnerabilities disclosed to the public. These 
advisories are gathered in a publicly available database at the 
Secunia website: 

http://secunia.com/

Secunia offers services to our customers enabling them to receive all 
relevant vulnerability information to their specific system 
configuration. 

Secunia offers a FREE mailing list called Secunia Security Advisories: 

http://secunia.com/secunia_security_advisories/

====================================================================== 
10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2005-65/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

======================================================================



_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/

 
 


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