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Security Vulnerability: GroupWise Internet Agent (GWIA) iCalendar parsing vulnerability

This document (7010767) is provided subject to the disclaimer at the end of this document.


GroupWise 8.0x up to and including 8.02HP3


The GroupWise Internet Agent (GWIA) has a vulnerability in the way that it parses time and date information within a received iCalendar message, which could potentially be exploited by an attacker to cause a Denial-of-Service (DoS) on vulnerable installations of GWIA.


To resolve this vulnerability, apply GroupWise 8.0 Support Pack 3 (or later).

Previous versions of GroupWise are likely also vulnerable but are no longer supported. Customers on earlier versions of GroupWise should, at a minimum, upgrade their GWIA servers and associated Domains to version 8.0 Support Pack 3 (or later) in order to secure their system.

This vulnerability was discovered and reported by Carsten Eiram, Secunia Research (, Secunia advisory SA45671.

Novell bug 733887, CVE-2011-3827


Security Alert

Bug Number



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  • Document ID:7010767
  • Creation Date:11-SEP-12
  • Modified Date:14-SEP-12
    • NovellGroupWise

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