[FG-VD-11-007]IBM Lotus Notes/Domino Server Remote Denial of Service Vulnerability
2011.December.30

Summary:

 Fortinet's FortiGuard Labs has discovered a Remote Denial of Service Vulnerability in IBM Lotus Notes/Domino Server.

Impact:

 Remote Denial of Service

Risk:

 High (CVSS Base Score:7.8) 

Affected Software:

 IBM Lotus Domino Server
    8.5.2 FP3 and earlier
    8.5.1
    8.5
    8.0.x

Additional Information:
 
 The vulnerability occurs while IBM Lotus Notes/Domino Server handles malformed TCP packet. Successful exploitation could cause the server 

crash instantly. 

Solutions:
==========

Use the solution provided by IBM: http://www-01.ibm.com/support/docview.wss?uid=swg21575247

Fortinet customers who subscribe to Fortinet¡¯s intrusion prevention (IPS) service should be protected against this Remote Denial Of Service 
vulnerability. Fortinet¡¯s IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such 

as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and 

network layers. FortiGuard Services are continuously updated by the FortiGuard Global Security Research Team, which enables Fortinet to 

deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are 

delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure 

optimum protection during a threat's lifecycle.

Acknowledgement:
================

Xiaopeng Zhang of Fortinet's FortiGuard Labs

References:
===========

http://www.fortiguard.com/advisory/FGA-2011-40.html
http://www-01.ibm.com/support/docview.wss?uid=swg21575247

CVE ID: CVE-2011-1393
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=2011-1393

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